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Soil moisture

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be viewed as a dynamic process, allowing new roots to explore a new volume of soil each day, increasing dramatically the total volume of soil explored over a given growth period, and thus the volume of water taken up by the root system over this period. Root architecture, i.e. the spatial configuration of the root system, plays a prominent role in the adaptation of plants to soil water and nutrient availability, and thus in plant productivity.
5180: 3975: 90:. Runoff is the water that flows on the surface to the edge of the field; drainage is the water that flows through the soil downward or toward the edge of the field underground; evaporative water loss from a field is that part of the water that evaporates into the atmosphere directly from the field's surface; transpiration is the loss of water from the field by its evaporation from the plant itself. 23: 22: 27: 26: 21: 28: 614:), water is pushed through soil from the point of its application under the force of gravity and the pressure gradient created by differences in the pressure of water; this is called saturated flow. At higher suction, water movement is pulled by capillarity from wetter toward drier soil. This is caused by water's 914:
of 10,620 km total length and 400 square meters total area; for a total surface area of 638 square meters. The total surface area of the loam soil was estimated to be 52,000 square meters. In other words, the roots were in contact with only 1.2% of the soil volume. However, root extension should
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When the soil moisture content is optimal for plant growth, the water in the large and intermediate size pores can move about in the soil and be easily used by plants. The amount of water remaining in a soil drained to field capacity and the amount that is available are functions of the soil type.
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surfaces and less strongly to itself by cohesive forces. A plant's root may penetrate a very small volume of water that is adhering to soil and be initially able to draw in water that is only lightly held by the cohesive forces. But as the droplet is drawn down, the forces of adhesion of the water
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is the minimum amount of water plants need to not wilt and approximates the boundary between available and unavailable water. By convention it is defined as 15 bar suction. At this point, seeds will not germinate, plants begin to wilt and then die unless they are able to recover after water
991:, which is the ratio of the total water transpired by a plant to the dry weight of the harvested plant. Transpiration ratios for crops range from 300 to 700. For example, alfalfa may have a transpiration ratio of 500; as a result, 500 kilograms of water will produce one kilogram of dry alfalfa. 890:
gradient that pushes soil water into the roots. Osmotic absorption becomes more important during times of low water transpiration caused by lower temperatures (for example at night) or high humidity, and the reverse occurs under high temperature or low humidity. It is these processes that cause
193:. The rate at which a soil can absorb water depends on the soil and its other conditions. As a plant grows, its roots remove water from the largest pores (macropores) first. Soon the larger pores hold only air, and the remaining water is found only in the intermediate- and smallest-sized pores ( 217:
differences between the plant interior and the soil solution. Plant roots must seek out water and grow preferentially in moister soil microsites, but some parts of the root system are also able to remoisten dry parts of the soil. Insufficient water will damage the yield of a crop. Most of the
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Roots must seek out water as the unsaturated flow of water in soil can move only at a rate of up to 2.5 cm per day; as a result they are constantly dying and growing as they seek out high concentrations of soil moisture. Insufficient soil moisture, to the point of causing
810:, describes the velocity of flowing water through an unsaturated soil in the vertical direction. The numerical solution of the Richardson/Richards equation allows calculation of unsaturated water flow and solute transport using software such as 982:
will reduce evaporative losses for a period after a field is irrigated, but in the end, the total evaporative loss (plant plus soil) will approach that of uncovered soil, while more water is immediately available for plant growth.
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Water infiltration rates range from 0.25 cm per hour for high clay soils to 2.5 cm per hour for sand and well stabilized and aggregated soil structures. Water flows through the ground unevenly, in the form of so-called
402:, which is defined as the minus of water potential. Suction has a positive value and can be regarded as the total force required to pull or push water out of soil. Water potential or suction is expressed in units of kPa (10 1739:
Brocca, Luca; Hasenauer, Stefan; Lacava, Teodosio; Moramarco, Tommaso; Wagner, Wolfgang; Dorigo, Wouter; Matgen, Patrick; Martínez-Fernández, José; Llorens, Pilar; Latron, Jérôme; Martin, Claude; Bittelli, Marco (2011).
474:. The next level, called air-dry, occurs at 100,000 kPa suction (pF = 6). Finally the oven dry condition is reached at 1,000,000 kPa suction (pF = 7). All water below wilting point is called unavailable water. 478:
Sandy soil will retain very little water, while clay will hold the maximum amount. The available water for the silt loam might be 20% whereas for the sand it might be only 6% by volume, as shown in this table.
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of the soil particles. As a result, high clay and high organic soils have higher field capacities. The potential energy of water per unit volume relative to pure water in reference conditions is called
197:). The water in the smallest pores is so strongly held to particle surfaces that plant roots cannot pull it away. Consequently, not all soil water is available to plants, with a strong dependence on 158:, solids constitute half the volume, gas one-quarter of the volume, and water one-quarter of the volume of which only half will be available to most plants, with a strong variation according to 1102: 906:
plant grown for four months in one cubic foot (0.0283 cubic meters) of loam soil showed that the plant developed 13,800,000 roots, a total of 620 km in length with 237 square meters in
369:, at which point the smallest pores are filled with water and the largest with water and gases. The total amount of water held when field capacity is reached is a function of the 846:
Of equal importance to the storage and movement of water in soil is the means by which plants acquire it and their nutrients. Most soil water is taken up by plants as passive
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Oyewole, Olusegun Ayodeji; Inselsbacher, Erich; Näsholm, Torgny (2014). "Direct estimation of mass flow and diffusion of nitrogen compounds in solution and soil".
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Albergel, Clement; de Rosnay, Patricia; Gruhier, Claire; Muñoz-Sabater, Joaquin; Hasenauer, Stefan; Isaksen, Lars; Kerr, Yann; Wagner, Wolfgang (March 2012).
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was exposed to soil suction as low as 1300 kPa during the seed head emergence through bloom and seed set stages of growth, its production was reduced by 34%.
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Ogden, Fred L.; Lai, Wencong; Steinke, Robert C.; Zhu, Julian; Talbot, Cary A.; Wilson, John L. (2015). "A new general 1-D vadose zone solution method".
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Tree roots, whether living or dead, create preferential channels for rainwater flow through soil, magnifying infiltration rates of water up to 27 times.
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Ghestem, Murielle; Sidle, Roy C.; Stokes, Alexia (2011). "The influence of plant root systems on subsurface flow: implications for slope stability".
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from the soil surface is also substantial, the transpiration:evaporation ratio (T/ET) varying according to vegetation type and climate, peaking in
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potential when dealing with downward water movement. Water potential in soil usually has negative values, and therefore it is also expressed in
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The amount of organic matter. Coarse matter is best and if on the surface helps prevent the destruction of soil structure and the creation of
257:. Each method exhibits pros and cons, and hence, the integration of different techniques may decrease the drawbacks of a single given method. 3873: 2968:"The HYDRUS-1D software package for simulating the one-dimensional movement of water, heat, and multiple solutes in variably-saturated media" 2520:"Water percolation through the deep vadose zone and groundwater recharge: preliminary results based on a new vadose zone monitoring system" 1861: 807: 2221:"Soil water movement: saturated and unsaturated flow and vapour movement, soil moisture constants and their importance in irrigation" 250: 818:
and unsaturated hydraulic conductivity function) and initial and boundary conditions. Preferential flow occurs along interconnected
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pull to drier parts of the soil. Most plant water needs are supplied from the suction caused by evaporation from plant leaves (
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Only a small fraction (0.1% to 1%) of the water used by a plant is held within the plant. The majority is ultimately lost via
3776: 4987: 1983:"Estimating soil water retention characteristics from particle size distribution, organic matter percent, and bulk density" 1008:
Zhang, Lijie; Zeng, Yijian; Zhuang, Ruodan; Szabó, Brigitta; Manfreda, Salvatore; Han, Qianqian; Su, Zhongbo (2021-12-02).
201:. When saturated, the soil may lose nutrients as the water drains. Water moves in a draining field under the influence of 5014: 4216: 3633: 3273: 838:
options, but these have generally been "bolted on" to the Richards solution without any rigorous physical underpinning.
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Ogden, Fred L.; Allen, Myron B.; Lai, Wencong; Zhu, Julian; Douglas, Craig C.; Seo, Mookwon; Talbot, Cary A. (2017).
830:. Many models based on soil physics now allow for some representation of preferential flow as a dual continuum, dual 2338: 269:
ECMWF soil moisture forecast for the East Asia region, showing the key moisture levels and intermediate measurements
5042: 4982: 4966: 2608: 2400: 1857:"Ranking of grass species according to visible wilting order and rate of recovery in the Central Orange Free State" 1632:"Effect of soil water deficit on evapotranspiration, crop yield, and water use efficiency in the North China Plain" 1390: 1742:"Soil moisture estimation through ASCAT and AMSR-E sensors: an intercomparison and validation study across Europe" 1433: 1059:"Evaluation of remotely sensed and modelled soil moisture products using global ground-based in situ observations" 233:
specified soil water as one of the 50 Essential Climate Variables (ECVs). Soil water can be measured in situ with
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soils. Interestingly, this equation attributed to Richards was originally published by Richardson in 1922. The
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In the United States percolation water due to rainfall ranges from almost zero centimeters just east of the
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closure may decrease transpiration and thus may retard wilting below the wilting point, in particular under
3859: 2276:"Nonlocal interface dynamics and pattern formation in gravity-driven unsaturated flow through porous media" 1542: 798:
allows calculation of the time rate of change of moisture content in soils due to the movement of water in
3233:"The response of Pinus sylvestris to drought: stomatal control of transpiration and hydraulic conductance" 2701: 450:. At that suction the plant cannot sustain its water needs as water is still being lost from the plant by 4977: 4535: 3672: 3197: 1346: 628:
Soil structure. Fine-textured soils with granular structure are most favourable to infiltration of water.
5156: 4992: 4520: 3959: 3525: 3467: 3397: 2815: 2766: 1583: 1152: 2562: 2115:"Stomatal resistance, transpiration, and relative water content as influenced by soil moisture stress" 1537: 265: 3964: 3681: 2563:"Contamination of soil and groundwater due to stormwater infiltration practices: a literature review" 2122: 1442: 1264: 736: 482:
Wilting point, field capacity, and available water of various soil textures (unit: % by volume)
52: 3062: 2580: 1290:"Aggregate stability and assessment of soil crustability and erodibility. I. Theory and methodology" 5114: 4908: 4530: 3101: 2923: 2884: 2524: 2174: 2009: 1987: 863: 1538:"Fine root growth dynamics of four Mojave Desert shrubs as related to soil moisture and microsite" 5183: 4525: 4488: 4209: 3893: 3281: 3036:"Quantifying soil structure and preferential flow in intact soil Using X-ray computed tomography" 2880:"A method for computing infiltration and redistribution in a discretized moisture content domain" 2396:"Can urban tree roots improve infiltration through compacted subsoils for stormwater management?" 2280: 2114: 1058: 859: 2043: 1630:
Zhang, Yongqiang; Kendy, Eloise; Qiang, Yu; Liu, Changming; Shen, Yanjun; Sun, Hongyong (2004).
4802: 4176: 3057: 2575: 2004: 1259: 1213:"Field-measured limits of soil water availability as related to laboratory-measured properties" 847: 446:, finally up to 1500 kPa (pF = 4.2). At 1500 kPa suction, the soil water amount is called 332: 151: 142:
In addition, water alters the soil profile by dissolving and re-depositing mineral and organic
2604:"Survival and movement of fecal indicator bacteria in soil under conditions of saturated flow" 5173: 4857: 2092: 964: 815: 761: 429:
The forces with which water is held in soils determine its availability to plants. Forces of
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Bartens, Julia; Day, Susan D.; Harris, J. Roger; Dove, Joseph E.; Wynn, Theresa M. (2008).
2289: 2080: 1996: 1945: 1755: 1643: 1551: 1399: 1301: 1226: 1070: 1021: 984: 948: 871: 686: 354: 286: 234: 2629: 1536:
Wilcox, Carolyn S.; Ferguson, Joseph W.; Fernandez, George C.J.; Nowak, Robert S. (2004).
1411: 8: 4225: 4166: 4127: 2809: 988: 411: 226: 186: 3719: 3642: 3114: 3053: 3005: 2936: 2897: 2854: 2779: 2621: 2537: 2413: 2293: 2084: 2000: 1949: 1759: 1647: 1555: 1403: 1305: 1230: 1074: 1025: 1010:"In Situ Observation-Constrained Global Surface Soil Moisture Using Random Forest Model" 5129: 4776: 4409: 4202: 4122: 4065: 4021: 3393:"Evaluation of water stress control with polyethylene glycols by analysis of guttation" 3354: 3306: 3210: 3126: 2948: 2739: 2633: 2343: 2313: 2135: 1511: 1386:"Phosphorus loss in agricultural drainage: historical perspective and current research" 1317: 1124: 960: 696: 254: 3805: 3727: 3547: 3489: 3419: 3294: 3274:"Root water uptake and transport: using physiological processes in global predictions" 1713: 1655: 1607: 1578: 1563: 1176: 1147: 357:
that water's hydrogen feels for water oxygen atoms. When a field is flooded, the soil
4822: 4691: 4082: 3929: 3811: 3772: 3766: 3597: 3578: 3552: 3494: 3424: 3298: 3254: 3153:"The relationship between transpiration, root water uptake, and leaf water potential" 3152: 3013: 2989: 2967: 2952: 2683: 2425: 2305: 2066: 1982: 1957: 1933: 1856: 1695: 1612: 1385: 1321: 1212: 1181: 1039: 811: 795: 678: 471: 246: 190: 106: 60: 3650: 3130: 2395: 2317: 5003: 4696: 4159: 3723: 3646: 3592: 3542: 3534: 3484: 3476: 3414: 3406: 3358: 3346: 3310: 3290: 3244: 3206: 3193:"Regulation of plant water potential by membranes of the endodermis in young roots" 3166: 3118: 3067: 3009: 2966:Šimůnek, Jiri; Saito, Hirotaka; Sakai, Masaru; Van Genuchten, Martinus Th. (2013). 2940: 2901: 2858: 2783: 2735: 2697: 2625: 2541: 2498: 2463: 2417: 2376: 2301: 2297: 2183: 2131: 2088: 2071: 2014: 1953: 1934:"Relations between specific surface area and soil physical and chemical properties" 1932:
Petersen, Lis Wollesen; Møldrup, Per; Jacobsen, Ole H.; Rolston, Dennis E. (1996).
1870: 1763: 1687: 1651: 1602: 1592: 1559: 1515: 1503: 1407: 1359: 1309: 1234: 1171: 1161: 1119: 1111: 1078: 1029: 887: 419: 383: 214: 206: 159: 3579:"Assessing root death and root system dynamics in a study of grape canopy pruning" 2637: 2065:
Savage, Michael J.; Ritchie, Joe T.; Bland, William L.; Dugas, William A. (1996).
1874: 5124: 5104: 5099: 4928: 4862: 4847: 4827: 4761: 4746: 4606: 4102: 4031: 3999: 3837: 3824: 3583: 1678: 757: 665: 467: 455: 375: 304: 135: 3249: 3232: 297:
to draw water from a soil. By convention it is defined at 0.33 bar suction.
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Snyman, Henny A.; Venter, W.D.; Van Rensburg, W.L.J.; Opperman, D.P.J. (1987).
1494: 971: 765: 611: 366: 342: 290: 121: 98: 94: 75: 68: 33: 3350: 1767: 1507: 1082: 426:
O is called pF. Therefore, pF 3 = 1000 cm = 98 kPa = 0.98 bar.
5204: 5198: 5167: 5070: 5063: 4903: 4872: 4781: 4666: 4048: 4004: 3815: 2684:"Influence of stress state on soil-water characteristics and slope stability" 2380: 2220: 1354: 1043: 940: 886:. In addition, the high concentration of salts within plant roots creates an 875: 851: 700: 651:
Soil temperature. Warm soils take in water faster while frozen soils such as
451: 447: 403: 318: 222: 210: 87: 64: 44: 3704:"Effect of mulch, irrigation, and soil type on water use and yield of maize" 2503: 2484: 2018: 1907: 1463:
McElrone, Andrew J.; Choat, Brendan; Gambetta, Greg A.; Brodersen, Craig R.
4923: 4918: 4893: 4766: 4711: 4139: 4112: 4087: 4043: 4016: 3944: 3939: 3934: 3924: 3882: 3628: 3556: 3520: 3498: 3462: 3428: 3392: 3332: 3302: 3258: 3170: 3071: 3035: 2761: 2603: 2429: 2309: 2275: 2169: 1699: 1616: 1489: 1185: 1115: 1097: 907: 716: 218:
available water is used in transpiration to pull nutrients into the plant.
198: 3786: 3703: 3192: 2723: 715:, carrying with it clay, humus, nutrients, primarily cations, and various 277:
A flooded field will drain the gravitational water under the influence of
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Irvine, James; Perks, Michael P.; Magnani, Federico; Grace, John (1998).
2944: 2906: 2879: 2863: 2838: 2546: 2519: 2421: 1313: 944: 799: 712: 704: 603: 391: 379: 289:
forces resist further drainage at which point it is said to have reached
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flow) that leads from the plant's roots to its leaves, according to the
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Nitrogen; usually little, unless nitrate fertiliser was applied recently
707:. Once soil is completely wetted, any more water will move downward, or 5109: 4852: 4756: 4706: 4661: 4646: 4611: 4581: 4447: 4354: 4319: 4294: 4134: 4107: 4092: 3994: 3919: 3741: 3610: 3608: 3538: 3463:"An estimation of the volume of water made available by root extension" 3122: 2367: 2149: 1888: 1363: 1034: 1009: 924: 902:
Root extension is vital for plant survival. A study of a single winter
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Water infiltration and movement in soil are controlled by six factors:
463: 407: 358: 307:. Once the available water is used up the remaining moisture is called 194: 178: 114: 4194: 3791:. Cooperative Extension, College of Agriculture, University of Arizona 2787: 2450:
Zhang, Guohua; Feng, Gary; Li, Xinhu; Xie, Congbao; P, Xiaoyu (2017).
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Philosophical Transactions of the Royal Society B: Biological Sciences
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as the plant cannot produce sufficient suction to draw that water in.
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Donahue, Roy Luther; Miller, Raymond W.; Shickluna, John C. (1977).
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or can be estimated at various scales and resolution: from local or
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Rawls, Walter J.; Brakensiek, Donald L.; Saxtonn, Keith E. (1982).
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Sims, J. Thomas; Simard, Régis R.; Joern, Brad Christopher (1998).
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Phosphorus; very little as its forms in soil are of low solubility.
732: 689: 674: 615: 430: 346: 282: 202: 182: 177:. When water enters the soil, it displaces air from interconnected 79: 2452:"Flood effect on groundwater recharge on a typical silt loam soil" 4888: 4676: 4636: 4601: 4591: 4586: 4576: 4571: 4467: 4437: 4432: 4422: 4417: 4369: 4364: 4339: 4334: 4329: 4304: 4289: 4254: 4249: 4244: 4060: 2602:
Hagedorn, Charles; Hansen, Debra T.; Simonson, Gerald H. (1978).
956: 952: 928: 920: 896: 827: 780: 728: 643: 639: 607: 599: 595: 443: 434: 399: 395: 387: 362: 294: 278: 170: 166: 147: 143: 102: 1854: 739:. In order of decreasing solubility, the leached nutrients are: 4786: 4721: 4462: 4457: 4359: 3974: 3851: 3577:
Comas, Louise H.; Eissenstat, David M.; Lakso, Alan N. (2000).
2518:
Rimon, Yaara; Dahan, Ofer; Nativ, Ronit; Geyer, Stefan (2007).
1211:
Ratliff, Larry F.; Ritchie, Jerry T.; Cassel, D. Keith (1983).
350: 2965: 1931: 1836: 1812: 1800: 1738: 959:. Transpiration plus evaporative soil moisture loss is called 814:, by giving soil hydraulic parameters of hydraulic functions ( 361:
is completely filled by water. The field will drain under the
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Jackson, Robert B.; Sperry, John S.; Dawson, Todd E. (2000).
2485:"Spatial variability of field-measured soil-water properties" 979: 746:
Magnesium, Sulfur, Potassium; depending upon soil composition
459: 438: 238: 2724:"Water flow in soil macropores. I. An experimental approach" 1535: 963:. Evapotranspiration plus water held in the plant totals to 655:
may not be able to absorb depending on the type of freezing.
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Nielsen, Donald R.; Biggar, James W.; Erh, Koon T. (1973).
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The water that plants may draw from the soil is called the
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Journal of Geotechnical & Geoenvironmental Engineering
2561:
Weiss, Peter T.; LeFevre, Greg; Gulliver, John S. (2008).
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Tolk, Judy A.; Howell, Terry A.; Evett, Steve R. (1999).
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Erie, Leonard J.; French, Orrin F.; Harris, Karl (1968).
1790: 1788: 1786: 1784: 903: 213:) and a lower fraction is supplied by suction created by 2990:"Soil morphology and preferential flow along macropores" 2762:"Capillary conduction of liquids through porous mediums" 3230: 2064: 1912:
Food and Agriculture Organization of the United Nations
970:
The total water used in an agricultural field includes
3764: 3747: 3614: 3442: 3378: 3333:"Water uptake by plant roots: an integration of views" 2669: 2657: 2601: 2273: 2261: 2249: 2207: 2167: 2155: 1894: 1824: 1781: 1490:"Water uptake by plant roots: an integration of views" 1198: 1148:"Soil-moisture conditions in relation to plant growth" 322:
replenishment thanks to species-specific adaptations.
74:
Water that enters a field is removed from a field by
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Veihmeyer, Frank J.; Hendrickson, Arthur H. (1927).
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The above are average values for the soil textures.
51:. It can be expressed in terms of volume or weight. 3626: 3271: 1862:
Journal of the Grassland Society of Southern Africa
967:, which is nearly identical to evapotranspiration. 442:for the soil particles produce increasingly higher 138:
by which the plant keeps itself in proper position.
2920: 2364: 2113:Al-Ani, Tariq; Bierhuizen, Johan Frederik (1971). 1629: 850:caused by the pulling force of water evaporating ( 3627:Schlesinger, William H.; Jasechko, Scott (2014). 1345:Easton, Zachary M.; Bock, Emily (22 March 2016). 1096:Wallace, James S.; Batchelor, Charles H. (1997). 109:. Water is essential to plants for four reasons: 5196: 3822: 3768:Soils: An Introduction to Soils and Plant Growth 3670: 2836: 2482: 2112: 1842: 1818: 1806: 1095: 618:to soil solids, and is called unsaturated flow. 4962:Australian Society of Soil Science Incorporated 3701: 3034:Luo, Lifang; Lin, Henry; Halleck, Phil (2008). 2914: 1465:"Water uptake and transport in vascular plants" 1383: 779:force of water to the soil solids, producing a 32:A historic surface soil moisture change in the 4998:National Society of Consulting Soil Scientists 3391:Kaufmann, Merrill R.; Eckard, Alan N. (1971). 3390: 3094:"Macropores and water flow in soils revisited" 2449: 2274:Cueto-Felgueroso, Luis; Juanes, Ruben (2008). 1098:"Managing water resources for crop production" 703:locally, to less saturated areas, such as the 699:from the point of its application where it is 189:into which air is entrapped, a process called 131:are carried to, into and throughout the plant. 4210: 3867: 3033: 2843:Journal of Advances in Modeling Earth Systems 1981:Gupta, Satish C.; Larson, William E. (1979). 1287: 594:Water moves through soil due to the force of 3674:Consumptive use of water by crops in Arizona 3461:Kramer, Paul J.; Coile, Theodore S. (1940). 3091: 2721: 1976: 1974: 1579:"The extension of plant roots into dry soil" 1576: 862:. The upward movement of water and solutes ( 808:finite water-content vadose zone flow method 760:to fifty or more centimeters per day in the 3810:. United States Department of Agriculture. 3460: 3151:Aston, Mervyn J.; Lawlor, David W. (1979). 3150: 2877: 2722:Germann, Peter Fritz; Beven, Keith (2006). 1980: 1577:Hunter, Albert S.; Kelley, Omer J. (1946). 1431: 874:, and can be interrupted in root and shoot 638:Depth of soil to impervious layers such as 205:where the soil is locally saturated and by 165:Water moves in soil under the influence of 5179: 4217: 4203: 3874: 3860: 3521:"Root architecture and plant productivity" 2807: 1344: 822:, crevices, root and worm channels, which 260: 150:, often at lower levels, a process called 105:but is of primary concern with respect to 3841: 3828: 3803: 3629:"Transpiration in the global water cycle" 3596: 3546: 3488: 3418: 3248: 3061: 2905: 2862: 2579: 2545: 2502: 2467: 2008: 1971: 1606: 1596: 1175: 1165: 1123: 1033: 841: 4972:Central Soil Salinity Research Institute 3835: 3448: 2878:Talbot, Cary A.; Ogden, Fred L. (2008). 2759: 2093:10.2134/agronj1996.00021962008800040024x 2067:"Lower limit of soil water availability" 1830: 1794: 1340: 1338: 935:Consumptive use and water use efficiency 264: 18: 5078:Soil Science Society of America Journal 4224: 3330: 3041:Soil Science Society of America Journal 2811:Weather prediction by numerical process 2702:10.1061/(ASCE)1090-0241(2000)126:2(157) 2682:Ng, Charles W.W.; Pang, Wenyan (2000). 1487: 1432:Brooks, R.H.; Corey, Arthur T. (1964). 1267:, Department of Plant and Soil Sciences 1239:10.2136/sssaj1983.03615995004700040032x 1218:Soil Science Society of America Journal 648:The amount of water already in the soil 353:of soil particles is stronger than the 5197: 5050:Journal of Soil and Water Conservation 4511:Canadian system of soil classification 3807:Soil: The Yearbook of Agriculture 1957 3190: 2871: 2681: 978:and consumptive use. The use of loose 4198: 3855: 3518: 3092:Beven, Keith; Germann, Peter (2013). 2987: 2839:"The soil moisture velocity equation" 2630:10.2134/jeq1978.00472425000700010011x 2170:"Estimation of soil water properties" 1412:10.2134/jeq1998.00472425002700020006x 1335: 786:from wet towards drier soil and from 695:Water applied to a soil is pushed by 341:Water is retained in a soil when the 300:Available water and unavailable water 113:It constitutes 80–95% of the plant's 5152: 4988:International Union of Soil Sciences 3748:Donahue, Miller & Shickluna 1977 3615:Donahue, Miller & Shickluna 1977 3379:Donahue, Miller & Shickluna 1977 2670:Donahue, Miller & Shickluna 1977 2658:Donahue, Miller & Shickluna 1977 2262:Donahue, Miller & Shickluna 1977 2250:Donahue, Miller & Shickluna 1977 2208:Donahue, Miller & Shickluna 1977 2156:Donahue, Miller & Shickluna 1977 1895:Donahue, Miller & Shickluna 1977 1435:Hydraulic properties of porous media 1199:Donahue, Miller & Shickluna 1977 378:. Total water potential is a sum of 293:. At that point, plants must apply 5015:Soil and Water Conservation Society 3634:Agricultural and Forest Meteorology 1347:"Soil and soil water relationships" 866:) is regulated in the roots by the 13: 4495:Unified Soil Classification System 4027:Soil retrogression and degradation 3211:10.1111/j.1365-3040.1978.tb00749.x 2740:10.1111/j.1365-2389.1981.tb01681.x 2229:Tamil Nadu Agricultural University 2136:10.1111/j.1438-8677.1971.tb00715.x 923:, will cause permanent damage and 326: 14: 5221: 4500:AASHTO Soil Classification System 854:) from the long column of water ( 221:Soil water is also important for 5178: 5163: 5162: 5151: 5043:Acta Agriculturae Scandinavica B 4983:Indian Institute of Soil Science 4967:Canadian Society of Soil Science 4798: 4797: 3973: 3881: 3598:10.1046/j.1469-8137.2000.00679.x 2728:European Journal of Soil Science 2609:Journal of Environmental Quality 2401:Journal of Environmental Quality 1958:10.1097/00010694-199601000-00003 1391:Journal of Environmental Quality 1294:European Journal of Soil Science 806:, which can be solved using the 458:is lost, and it wilts, although 418:(approximately 0.098 kPa). 365:until it reaches what is called 36:from August 2020 - December 2022 5021:Soil Science Society of America 3804:Stefferud, Alfred, ed. (1957). 3757: 3695: 3664: 3651:10.1016/j.agrformet.2014.01.011 3620: 3570: 3512: 3454: 3384: 3324: 3265: 3224: 3184: 3144: 3085: 3027: 2981: 2959: 2830: 2801: 2753: 2715: 2675: 2595: 2554: 2511: 2476: 2443: 2387: 2358: 2331: 2267: 2213: 2161: 2106: 2058: 2032: 1925: 1900: 1848: 1732: 1718:Global Climate Observing System 1706: 1669: 1623: 1570: 1529: 1481: 1456: 1425: 1377: 804:soil moisture velocity equation 231:Global Climate Observing System 5026:World Congress of Soil Science 5010:Soil Science Society of Poland 4516:Australian Soil Classification 4507:(French classification system) 3158:Journal of Experimental Botany 2808:Richardson, Lewis Fry (1922). 2571:Saint Anthony Falls Laboratory 2302:10.1103/PhysRevLett.101.244504 1281: 1252: 1204: 1139: 1089: 1050: 1001: 1: 4037:Soil compaction (agriculture) 3728:10.1016/S0167-1987(99)00011-2 3295:10.1016/S1360-1385(00)01766-0 2814:. Cambridge, United Kingdom: 2760:Richards, Lorenzo A. (1931). 2339:"Finger flow in coarse soils" 2042:. AgriInfo.in. Archived from 1875:10.1080/02566702.1987.9648075 1747:Remote Sensing of Environment 1714:"Essential Climate Variables" 1656:10.1016/S0378-3774(03)00201-4 1636:Agricultural Water Management 1564:10.1016/S0140-1963(02)00324-5 1063:Remote Sensing of Environment 994: 589: 382:potential which results from 3014:10.1016/0378-3774(81)90009-3 1843:Richards & Richards 1957 1819:Richards & Richards 1957 1807:Richards & Richards 1957 1543:Journal of Arid Environments 1288:Le Bissonnais, Yves (2016). 870:and in the plant foliage by 7: 4978:German Soil Science Society 4536:List of vineyard soil types 3198:Plant, Cell and Environment 764:and the north coast of the 345:of attraction that water's 127:It is the solvent in which 10: 5226: 5157:Knowledge:WikiProject Soil 4993:International Year of Soil 4521:Polish Soil Classification 3960:Environmental soil science 3823:Richards & Richards. " 2816:Cambridge University Press 1441:. Fort Collins, Colorado: 330: 5147: 5087: 5034: 4954: 4881: 4815: 4795: 4545:Non-systematic soil types 4544: 4481: 4408: 4232: 4187: 3982: 3971: 3965:Agricultural soil science 3907: 3889: 3708:Soil and Tillage Research 3682:The University of Arizona 3250:10.1093/treephys/18.6.393 2123:Acta Botanica Neerlandica 1768:10.1016/j.rse.2011.08.003 1443:Colorado State University 1265:Oklahoma State University 1260:"Water movement in soils" 1083:10.1016/j.rse.2011.11.017 737:groundwater contamination 668:between water particles. 495: 492: 489: 486: 53:Soil moisture measurement 16:Water content of the soil 5115:Infiltration (hydrology) 4909:Geotechnical engineering 4531:List of U.S. state soils 3519:Lynch, Jonathan (1995). 3102:Water Resources Research 2924:Water Resources Research 2885:Water Resources Research 2525:Water Resources Research 2381:10.1525/bio.2011.61.11.6 2175:Transactions of the ASAE 1988:Water Resources Research 927:will suffer. When grain 816:water retention function 5184:List of soil scientists 4526:1938 USDA soil taxonomy 4505:Référentiel pédologique 4489:FAO soil classification 3788:Arizona Master Gardener 3351:10.1023/A:1026439226716 3331:Steudle, Ernst (2000). 3282:Trends in Plant Science 3191:Powell, D.B.B. (1978). 2504:10.3733/hilg.v42n07p215 2281:Physical Review Letters 2019:10.1029/WR015i006p01633 1508:10.1023/A:1026439226716 1488:Steudle, Ernst (2000). 860:cohesion-tension theory 433:hold water strongly to 261:Moisture level concepts 4955:Societies, Initiatives 4177:Soil water (retention) 3072:10.2136/sssaj2007.0179 2040:"Soil water potential" 1269:. Stillwater, Oklahoma 1116:10.1098/rstb.1997.0073 842:Water uptake by plants 735:, potentially causing 677:temporarily increases 606:. At 0 to 33 kPa 333:Soil water (retention) 270: 37: 5174:Category soil science 4858:Soil salinity control 2988:Bouma, Johan (1981). 762:Appalachian Mountains 371:specific surface area 337:Water retention curve 331:Further information: 268: 235:soil moisture sensors 31: 4939:Agricultural science 4833:Soil guideline value 4657:Calcareous grassland 4234:World Reference Base 3171:10.1093/jxb/30.1.169 2945:10.1002/2015WR017126 2907:10.1029/2008WR006815 2864:10.1002/2017MS000931 2547:10.1029/2006WR004855 2422:10.2134/jeq2008.0117 1314:10.1111/ejss.4_12311 985:Water use efficiency 949:tropical rainforests 872:stomatal conductance 711:out of the range of 120:It is essential for 5035:Scientific journals 4226:Soil classification 4167:Soil organic matter 4128:Pore water pressure 3720:1999STilR..50..137T 3680:. Tucson, Arizona: 3643:2014AgFM..189..115S 3637:. 189/190: 115–17. 3481:10.1104/pp.15.4.743 3411:10.1104/pp.47.4.453 3115:2013WRR....49.3071B 3054:2008SSASJ..72.1058L 3006:1981AgWM....3..235B 2937:2015WRR....51.4282O 2898:2008WRR....44.8453T 2855:2017JAMES...9.1473O 2780:1931Physi...1..318R 2622:1978JEnvQ...7...55H 2538:2007WRR....43.5402R 2414:2008JEnvQ..37.2048B 2294:2008PhRvL.101x4504C 2188:10.13031/2013.33720 2085:1996AgrJ...88..644S 2001:1979WRR....15.1633G 1950:1996SoilS.161....9P 1760:2011RSEnv.115.3390B 1648:2004AgWM...64..107Z 1598:10.1104/pp.21.4.445 1556:2004JArEn..56..129W 1404:1998JEnvQ..27..277S 1306:2016EuJSS..67...11L 1231:1983SSASJ..47..770R 1075:2012RSEnv.118..215A 1026:2021RemS...13.4893Z 989:transpiration ratio 987:is measured by the 943:. At the same time 771:Water is pulled by 483: 410:(100 kPa), or 349:atoms have for the 255:hydrological models 243:sensors in the soil 5130:Impervious surface 4410:USDA soil taxonomy 4236:for Soil Resources 4123:Pore space in soil 4066:Soil acidification 4022:Soil contamination 3539:10.1104/pp.109.1.7 3123:10.1002/wrcr.20156 2344:Cornell University 1035:10.3390/rs13234893 961:evapotranspiration 775:action due to the 697:pressure gradients 481: 422:of suction in cm H 271: 227:weather prediction 61:capacitance probes 38: 5192: 5191: 4823:Soil conservation 4809: 4808: 4083:Soil biodiversity 3930:Soil microbiology 3778:978-0-13-821918-5 3771:. Prentice-Hall. 3750:, pp. 97–99. 2788:10.1063/1.1745010 2158:, pp. 75–76. 2046:on 17 August 2017 1897:, pp. 72–74. 1754:(12): 3390–3408. 1692:10.1111/nph.12553 1167:10.1104/pp.2.1.71 910:; and 14 billion 796:Richards equation 679:soil permeability 664:, because of the 584: 583: 309:unavailable water 247:satellite imagery 29: 5217: 5182: 5181: 5166: 5165: 5155: 5154: 5004:OPAL Soil Centre 4801: 4800: 4697:Hydrophobic soil 4219: 4212: 4205: 4196: 4195: 4160:Soil respiration 3977: 3876: 3869: 3862: 3853: 3852: 3845: 3842:Stefferud (1957) 3838:Growth of Plants 3832: 3829:Stefferud (1957) 3819: 3800: 3798: 3796: 3782: 3751: 3745: 3739: 3738: 3736: 3734: 3699: 3693: 3692: 3690: 3688: 3679: 3668: 3662: 3661: 3659: 3657: 3624: 3618: 3612: 3603: 3602: 3600: 3574: 3568: 3567: 3565: 3563: 3550: 3526:Plant Physiology 3516: 3510: 3509: 3507: 3505: 3492: 3468:Plant Physiology 3458: 3452: 3446: 3440: 3439: 3437: 3435: 3422: 3398:Plant Physiology 3388: 3382: 3376: 3370: 3369: 3367: 3365: 3328: 3322: 3321: 3319: 3317: 3278: 3269: 3263: 3262: 3252: 3228: 3222: 3221: 3219: 3217: 3188: 3182: 3181: 3179: 3177: 3148: 3142: 3141: 3139: 3137: 3098: 3089: 3083: 3082: 3080: 3078: 3065: 3031: 3025: 3024: 3022: 3020: 2985: 2979: 2978: 2976: 2974: 2963: 2957: 2956: 2931:(6): 4282–4300. 2918: 2912: 2911: 2909: 2875: 2869: 2868: 2866: 2834: 2828: 2827: 2825: 2823: 2805: 2799: 2798: 2796: 2794: 2757: 2751: 2750: 2748: 2746: 2719: 2713: 2712: 2710: 2708: 2679: 2673: 2667: 2661: 2655: 2649: 2648: 2646: 2644: 2599: 2593: 2592: 2590: 2588: 2583: 2567: 2558: 2552: 2551: 2549: 2515: 2509: 2508: 2506: 2480: 2474: 2473: 2471: 2469:10.3390/w9070523 2447: 2441: 2440: 2438: 2436: 2391: 2385: 2384: 2362: 2356: 2355: 2353: 2351: 2335: 2329: 2328: 2326: 2324: 2271: 2265: 2259: 2253: 2247: 2241: 2240: 2238: 2236: 2225: 2217: 2211: 2205: 2199: 2198: 2196: 2194: 2182:(5): 1316–1320. 2165: 2159: 2153: 2147: 2146: 2144: 2142: 2119: 2110: 2104: 2103: 2101: 2099: 2072:Agronomy Journal 2062: 2056: 2055: 2053: 2051: 2036: 2030: 2029: 2027: 2025: 2012: 1978: 1969: 1968: 1966: 1964: 1929: 1923: 1922: 1920: 1918: 1908:"Soil and water" 1904: 1898: 1892: 1886: 1885: 1883: 1881: 1852: 1846: 1840: 1834: 1828: 1822: 1816: 1810: 1804: 1798: 1792: 1779: 1778: 1776: 1774: 1736: 1730: 1729: 1727: 1725: 1710: 1704: 1703: 1673: 1667: 1666: 1664: 1662: 1627: 1621: 1620: 1610: 1600: 1584:Plant Physiology 1574: 1568: 1567: 1533: 1527: 1526: 1524: 1522: 1485: 1479: 1478: 1476: 1474: 1469: 1460: 1454: 1453: 1451: 1449: 1440: 1429: 1423: 1422: 1420: 1418: 1381: 1375: 1374: 1372: 1370: 1351: 1342: 1333: 1332: 1330: 1328: 1285: 1279: 1278: 1276: 1274: 1256: 1250: 1249: 1247: 1245: 1208: 1202: 1196: 1190: 1189: 1179: 1169: 1153:Plant Physiology 1143: 1137: 1136: 1134: 1132: 1127: 1110:(1356): 937–47. 1093: 1087: 1086: 1054: 1048: 1047: 1037: 1005: 899:, respectively. 888:osmotic pressure 794:. The so-called 496:Available water 484: 480: 420:Common logarithm 384:capillary action 363:force of gravity 223:climate modeling 215:osmotic pressure 160:matric potential 134:It provides the 101:, stability and 55:can be based on 30: 5225: 5224: 5220: 5219: 5218: 5216: 5215: 5214: 5195: 5194: 5193: 5188: 5143: 5125:Crust (geology) 5105:Land management 5100:Land conversion 5083: 5030: 4950: 4929:Earth materials 4877: 4863:Erosion control 4848:Soil governance 4828:Soil management 4811: 4810: 4805: 4791: 4762:Subaqueous soil 4747:Serpentine soil 4607:Parent material 4540: 4477: 4404: 4235: 4228: 4223: 4183: 4103:Soil resilience 4032:Soil compaction 4000:Soil morphology 3978: 3969: 3903: 3885: 3880: 3850: 3794: 3792: 3785: 3779: 3760: 3755: 3754: 3746: 3742: 3732: 3730: 3700: 3696: 3686: 3684: 3677: 3669: 3665: 3655: 3653: 3625: 3621: 3613: 3606: 3584:New Phytologist 3575: 3571: 3561: 3559: 3517: 3513: 3503: 3501: 3459: 3455: 3447: 3443: 3433: 3431: 3389: 3385: 3377: 3373: 3363: 3361: 3329: 3325: 3315: 3313: 3276: 3270: 3266: 3237:Tree Physiology 3229: 3225: 3215: 3213: 3189: 3185: 3175: 3173: 3149: 3145: 3135: 3133: 3096: 3090: 3086: 3076: 3074: 3063:10.1.1.455.2567 3032: 3028: 3018: 3016: 2986: 2982: 2972: 2970: 2964: 2960: 2919: 2915: 2876: 2872: 2835: 2831: 2821: 2819: 2806: 2802: 2792: 2790: 2758: 2754: 2744: 2742: 2720: 2716: 2706: 2704: 2680: 2676: 2668: 2664: 2656: 2652: 2642: 2640: 2600: 2596: 2586: 2584: 2581:10.1.1.410.5113 2565: 2559: 2555: 2516: 2512: 2481: 2477: 2448: 2444: 2434: 2432: 2392: 2388: 2363: 2359: 2349: 2347: 2337: 2336: 2332: 2322: 2320: 2272: 2268: 2260: 2256: 2248: 2244: 2234: 2232: 2223: 2219: 2218: 2214: 2206: 2202: 2192: 2190: 2166: 2162: 2154: 2150: 2140: 2138: 2117: 2111: 2107: 2097: 2095: 2063: 2059: 2049: 2047: 2038: 2037: 2033: 2023: 2021: 1979: 1972: 1962: 1960: 1930: 1926: 1916: 1914: 1906: 1905: 1901: 1893: 1889: 1879: 1877: 1853: 1849: 1841: 1837: 1829: 1825: 1817: 1813: 1805: 1801: 1793: 1782: 1772: 1770: 1737: 1733: 1723: 1721: 1712: 1711: 1707: 1679:New Phytologist 1674: 1670: 1660: 1658: 1628: 1624: 1575: 1571: 1534: 1530: 1520: 1518: 1486: 1482: 1472: 1470: 1467: 1461: 1457: 1447: 1445: 1438: 1430: 1426: 1416: 1414: 1382: 1378: 1368: 1366: 1349: 1343: 1336: 1326: 1324: 1286: 1282: 1272: 1270: 1258: 1257: 1253: 1243: 1241: 1209: 1205: 1197: 1193: 1144: 1140: 1130: 1128: 1094: 1090: 1055: 1051: 1006: 1002: 997: 965:consumptive use 951:and dipping in 937: 844: 758:Rocky Mountains 666:surface tension 662:gravity fingers 592: 493:Field Capacity 468:acclimatization 425: 415: 376:water potential 355:cohesive forces 339: 329: 327:Water retention 305:available water 263: 19: 17: 12: 11: 5: 5223: 5213: 5212: 5207: 5190: 5189: 5187: 5186: 5176: 5170: 5159: 5148: 5145: 5144: 5142: 5141: 5136: 5134:Surface runoff 5127: 5122: 5117: 5112: 5107: 5102: 5097: 5091: 5089: 5085: 5084: 5082: 5081: 5074: 5067: 5060: 5057:Plant and Soil 5053: 5046: 5038: 5036: 5032: 5031: 5029: 5028: 5023: 5018: 5012: 5007: 5001: 4995: 4990: 4985: 4980: 4975: 4969: 4964: 4958: 4956: 4952: 4951: 4949: 4948: 4947: 4946: 4936: 4931: 4926: 4921: 4916: 4911: 4906: 4901: 4896: 4891: 4885: 4883: 4882:Related fields 4879: 4878: 4876: 4875: 4870: 4865: 4860: 4855: 4850: 4845: 4840: 4835: 4830: 4825: 4819: 4817: 4813: 4812: 4807: 4806: 4796: 4793: 4792: 4790: 4789: 4784: 4779: 4774: 4769: 4764: 4759: 4754: 4749: 4744: 4739: 4737:Prime farmland 4734: 4729: 4724: 4719: 4714: 4709: 4704: 4699: 4694: 4692:Fuller's earth 4689: 4684: 4682:Expansive clay 4679: 4674: 4669: 4664: 4659: 4654: 4649: 4644: 4639: 4634: 4629: 4624: 4619: 4614: 4609: 4604: 4599: 4594: 4589: 4584: 4579: 4574: 4569: 4564: 4559: 4554: 4548: 4546: 4542: 4541: 4539: 4538: 4533: 4528: 4523: 4518: 4513: 4508: 4502: 4497: 4492: 4485: 4483: 4479: 4478: 4476: 4475: 4470: 4465: 4460: 4455: 4450: 4445: 4440: 4435: 4430: 4425: 4420: 4414: 4412: 4406: 4405: 4403: 4402: 4397: 4392: 4387: 4382: 4377: 4372: 4367: 4362: 4357: 4352: 4347: 4342: 4337: 4332: 4327: 4322: 4317: 4312: 4307: 4302: 4297: 4292: 4287: 4282: 4277: 4272: 4267: 4262: 4257: 4252: 4247: 4241: 4239: 4230: 4229: 4222: 4221: 4214: 4207: 4199: 4193: 4191: 4185: 4184: 4182: 4181: 4180: 4179: 4169: 4164: 4163: 4162: 4152: 4147: 4145:Soil biomantle 4142: 4137: 4132: 4131: 4130: 4125: 4118:Soil structure 4115: 4110: 4105: 4100: 4098:Soil fertility 4095: 4090: 4085: 4080: 4075: 4070: 4069: 4068: 4058: 4057: 4056: 4046: 4041: 4040: 4039: 4029: 4024: 4019: 4014: 4013: 4012: 4010:Soil formation 4007: 4002: 3992: 3986: 3984: 3980: 3979: 3972: 3970: 3968: 3967: 3962: 3957: 3955:Soil chemistry 3952: 3950:Soil mechanics 3947: 3942: 3937: 3932: 3927: 3922: 3917: 3911: 3909: 3905: 3904: 3902: 3901: 3896: 3890: 3887: 3886: 3879: 3878: 3871: 3864: 3856: 3849: 3848: 3847: 3846: 3833: 3801: 3783: 3777: 3761: 3759: 3756: 3753: 3752: 3740: 3694: 3663: 3619: 3604: 3569: 3511: 3453: 3441: 3383: 3371: 3338:Plant and Soil 3323: 3289:(11): 482–88. 3264: 3243:(6): 393–402. 3223: 3183: 3143: 3109:(6): 3071–92. 3084: 3048:(4): 1058–69. 3026: 2980: 2958: 2913: 2870: 2849:(2): 1473–87. 2829: 2800: 2752: 2714: 2674: 2662: 2650: 2594: 2553: 2510: 2475: 2442: 2408:(6): 2048–57. 2386: 2375:(11): 869–79. 2357: 2330: 2288:(24): 244504. 2266: 2254: 2242: 2212: 2200: 2160: 2148: 2105: 2057: 2031: 2010:10.1.1.475.497 1995:(6): 1633–35. 1970: 1924: 1899: 1887: 1847: 1835: 1823: 1811: 1799: 1780: 1731: 1705: 1686:(3): 1056–64. 1668: 1622: 1569: 1528: 1495:Plant and Soil 1480: 1455: 1424: 1376: 1334: 1280: 1251: 1203: 1191: 1138: 1088: 1049: 1014:Remote Sensing 999: 998: 996: 993: 972:surface runoff 936: 933: 884:xylem embolism 882:, also called 864:hydraulic lift 843: 840: 766:Gulf of Mexico 754: 753: 750: 747: 744: 657: 656: 649: 646: 636: 629: 626: 612:field capacity 591: 588: 582: 581: 578: 575: 572: 568: 567: 564: 561: 558: 554: 553: 550: 547: 544: 540: 539: 536: 533: 530: 526: 525: 522: 519: 516: 512: 511: 508: 505: 502: 498: 497: 494: 491: 490:Wilting Point 488: 454:, the plant's 423: 413: 390:potential for 367:field capacity 343:adhesive force 328: 325: 324: 323: 315: 312: 301: 298: 291:field capacity 281:until water's 275: 274:Field capacity 262: 259: 249:that combines 225:and numerical 140: 139: 132: 125: 122:photosynthesis 118: 95:soil formation 93:Water affects 69:remote sensing 65:neutron probes 59:probes (e.g., 34:Horn of Africa 15: 9: 6: 4: 3: 2: 5222: 5211: 5208: 5206: 5203: 5202: 5200: 5185: 5177: 5175: 5171: 5169: 5168:Category soil 5160: 5158: 5150: 5149: 5146: 5140: 5137: 5135: 5131: 5128: 5126: 5123: 5121: 5118: 5116: 5113: 5111: 5108: 5106: 5103: 5101: 5098: 5096: 5093: 5092: 5090: 5086: 5080: 5079: 5075: 5073: 5072: 5071:Soil Research 5068: 5066: 5065: 5064:Pochvovedenie 5061: 5059: 5058: 5054: 5052: 5051: 5047: 5045: 5044: 5040: 5039: 5037: 5033: 5027: 5024: 5022: 5019: 5016: 5013: 5011: 5008: 5005: 5002: 4999: 4996: 4994: 4991: 4989: 4986: 4984: 4981: 4979: 4976: 4973: 4970: 4968: 4965: 4963: 4960: 4959: 4957: 4953: 4945: 4942: 4941: 4940: 4937: 4935: 4932: 4930: 4927: 4925: 4922: 4920: 4917: 4915: 4912: 4910: 4907: 4905: 4904:Geomorphology 4902: 4900: 4897: 4895: 4892: 4890: 4887: 4886: 4884: 4880: 4874: 4873:Liming (soil) 4871: 4869: 4866: 4864: 4861: 4859: 4856: 4854: 4851: 4849: 4846: 4844: 4841: 4839: 4836: 4834: 4831: 4829: 4826: 4824: 4821: 4820: 4818: 4814: 4804: 4803:Types of soil 4794: 4788: 4785: 4783: 4782:Tropical peat 4780: 4778: 4775: 4773: 4770: 4768: 4765: 4763: 4760: 4758: 4755: 4753: 4750: 4748: 4745: 4743: 4740: 4738: 4735: 4733: 4730: 4728: 4725: 4723: 4720: 4718: 4715: 4713: 4710: 4708: 4705: 4703: 4700: 4698: 4695: 4693: 4690: 4688: 4685: 4683: 4680: 4678: 4675: 4673: 4670: 4668: 4667:Dry quicksand 4665: 4663: 4660: 4658: 4655: 4653: 4650: 4648: 4645: 4643: 4640: 4638: 4635: 4633: 4630: 4628: 4625: 4623: 4620: 4618: 4615: 4613: 4610: 4608: 4605: 4603: 4600: 4598: 4595: 4593: 4590: 4588: 4585: 4583: 4580: 4578: 4575: 4573: 4570: 4568: 4565: 4563: 4560: 4558: 4555: 4553: 4550: 4549: 4547: 4543: 4537: 4534: 4532: 4529: 4527: 4524: 4522: 4519: 4517: 4514: 4512: 4509: 4506: 4503: 4501: 4498: 4496: 4493: 4490: 4487: 4486: 4484: 4482:Other systems 4480: 4474: 4471: 4469: 4466: 4464: 4461: 4459: 4456: 4454: 4451: 4449: 4446: 4444: 4441: 4439: 4436: 4434: 4431: 4429: 4426: 4424: 4421: 4419: 4416: 4415: 4413: 4411: 4407: 4401: 4398: 4396: 4393: 4391: 4388: 4386: 4383: 4381: 4378: 4376: 4373: 4371: 4368: 4366: 4363: 4361: 4358: 4356: 4353: 4351: 4348: 4346: 4343: 4341: 4338: 4336: 4333: 4331: 4328: 4326: 4323: 4321: 4318: 4316: 4313: 4311: 4308: 4306: 4303: 4301: 4298: 4296: 4293: 4291: 4288: 4286: 4283: 4281: 4278: 4276: 4273: 4271: 4268: 4266: 4263: 4261: 4258: 4256: 4253: 4251: 4248: 4246: 4243: 4242: 4240: 4237: 4231: 4227: 4220: 4215: 4213: 4208: 4206: 4201: 4200: 4197: 4192: 4190: 4186: 4178: 4175: 4174: 4173: 4172:Soil moisture 4170: 4168: 4165: 4161: 4158: 4157: 4156: 4153: 4151: 4148: 4146: 4143: 4141: 4138: 4136: 4133: 4129: 4126: 4124: 4121: 4120: 4119: 4116: 4114: 4111: 4109: 4106: 4104: 4101: 4099: 4096: 4094: 4091: 4089: 4086: 4084: 4081: 4079: 4076: 4074: 4071: 4067: 4064: 4063: 4062: 4059: 4055: 4052: 4051: 4050: 4049:Soil salinity 4047: 4045: 4042: 4038: 4035: 4034: 4033: 4030: 4028: 4025: 4023: 4020: 4018: 4015: 4011: 4008: 4006: 4005:Pedodiversity 4003: 4001: 3998: 3997: 3996: 3993: 3991: 3988: 3987: 3985: 3981: 3976: 3966: 3963: 3961: 3958: 3956: 3953: 3951: 3948: 3946: 3943: 3941: 3938: 3936: 3933: 3931: 3928: 3926: 3923: 3921: 3918: 3916: 3913: 3912: 3910: 3906: 3900: 3897: 3895: 3892: 3891: 3888: 3884: 3877: 3872: 3870: 3865: 3863: 3858: 3857: 3854: 3843: 3839: 3834: 3830: 3826: 3825:Soil Moisture 3821: 3820: 3817: 3813: 3809: 3808: 3802: 3790: 3789: 3784: 3780: 3774: 3770: 3769: 3763: 3762: 3749: 3744: 3729: 3725: 3721: 3717: 3714:(2): 137–47. 3713: 3709: 3705: 3698: 3683: 3676: 3675: 3667: 3652: 3648: 3644: 3640: 3636: 3635: 3630: 3623: 3617:, p. 94. 3616: 3611: 3609: 3599: 3594: 3591:(1): 171–78. 3590: 3586: 3585: 3580: 3573: 3558: 3554: 3549: 3544: 3540: 3536: 3532: 3528: 3527: 3522: 3515: 3500: 3496: 3491: 3486: 3482: 3478: 3475:(4): 743–47. 3474: 3470: 3469: 3464: 3457: 3451:, p. 46. 3450: 3449:Wadleigh 1957 3445: 3430: 3426: 3421: 3416: 3412: 3408: 3405:(4): 453–56. 3404: 3400: 3399: 3394: 3387: 3381:, p. 92. 3380: 3375: 3360: 3356: 3352: 3348: 3344: 3340: 3339: 3334: 3327: 3312: 3308: 3304: 3300: 3296: 3292: 3288: 3284: 3283: 3275: 3268: 3260: 3256: 3251: 3246: 3242: 3238: 3234: 3227: 3212: 3208: 3204: 3200: 3199: 3194: 3187: 3172: 3168: 3165:(1): 169–81. 3164: 3160: 3159: 3154: 3147: 3132: 3128: 3124: 3120: 3116: 3112: 3108: 3104: 3103: 3095: 3088: 3073: 3069: 3064: 3059: 3055: 3051: 3047: 3043: 3042: 3037: 3030: 3015: 3011: 3007: 3003: 3000:(4): 235–50. 2999: 2995: 2991: 2984: 2969: 2962: 2954: 2950: 2946: 2942: 2938: 2934: 2930: 2926: 2925: 2917: 2908: 2903: 2899: 2895: 2892:(8): W08453. 2891: 2887: 2886: 2881: 2874: 2865: 2860: 2856: 2852: 2848: 2844: 2840: 2833: 2818:. p. 262 2817: 2813: 2812: 2804: 2789: 2785: 2781: 2777: 2774:(5): 318–33. 2773: 2769: 2768: 2763: 2756: 2741: 2737: 2733: 2729: 2725: 2718: 2703: 2699: 2696:(2): 157–66. 2695: 2691: 2690: 2685: 2678: 2672:, p. 80. 2671: 2666: 2660:, p. 90. 2659: 2654: 2639: 2635: 2631: 2627: 2623: 2619: 2615: 2611: 2610: 2605: 2598: 2582: 2577: 2573: 2572: 2564: 2557: 2548: 2543: 2539: 2535: 2532:(5): W05402. 2531: 2527: 2526: 2521: 2514: 2505: 2500: 2497:(7): 215–59. 2496: 2492: 2491: 2486: 2479: 2470: 2465: 2461: 2457: 2453: 2446: 2431: 2427: 2423: 2419: 2415: 2411: 2407: 2403: 2402: 2397: 2390: 2382: 2378: 2374: 2370: 2369: 2361: 2346: 2345: 2340: 2334: 2319: 2315: 2311: 2307: 2303: 2299: 2295: 2291: 2287: 2283: 2282: 2277: 2270: 2264:, p. 88. 2263: 2258: 2252:, p. 86. 2251: 2246: 2231: 2230: 2222: 2216: 2210:, p. 85. 2209: 2204: 2189: 2185: 2181: 2177: 2176: 2171: 2164: 2157: 2152: 2137: 2133: 2130:(3): 318–26. 2129: 2125: 2124: 2116: 2109: 2094: 2090: 2086: 2082: 2079:(4): 644–51. 2078: 2074: 2073: 2068: 2061: 2045: 2041: 2035: 2020: 2016: 2011: 2006: 2002: 1998: 1994: 1990: 1989: 1984: 1977: 1975: 1959: 1955: 1951: 1947: 1943: 1939: 1935: 1928: 1913: 1909: 1903: 1896: 1891: 1876: 1872: 1868: 1864: 1863: 1858: 1851: 1845:, p. 52. 1844: 1839: 1833:, p. 39. 1832: 1831:Wadleigh 1957 1827: 1821:, p. 56. 1820: 1815: 1809:, p. 50. 1808: 1803: 1797:, p. 48. 1796: 1795:Wadleigh 1957 1791: 1789: 1787: 1785: 1769: 1765: 1761: 1757: 1753: 1749: 1748: 1743: 1735: 1719: 1715: 1709: 1701: 1697: 1693: 1689: 1685: 1681: 1680: 1672: 1657: 1653: 1649: 1645: 1642:(2): 107–22. 1641: 1637: 1633: 1626: 1618: 1614: 1609: 1604: 1599: 1594: 1591:(4): 445–51. 1590: 1586: 1585: 1580: 1573: 1565: 1561: 1557: 1553: 1550:(1): 129–48. 1549: 1545: 1544: 1539: 1532: 1517: 1513: 1509: 1505: 1501: 1497: 1496: 1491: 1484: 1466: 1459: 1444: 1437: 1436: 1428: 1413: 1409: 1405: 1401: 1398:(2): 277–93. 1397: 1393: 1392: 1387: 1380: 1365: 1361: 1357: 1356: 1355:Virginia Tech 1348: 1341: 1339: 1323: 1319: 1315: 1311: 1307: 1303: 1299: 1295: 1291: 1284: 1268: 1266: 1261: 1255: 1240: 1236: 1232: 1228: 1225:(4): 770–75. 1224: 1220: 1219: 1214: 1207: 1201:, p. 72. 1200: 1195: 1187: 1183: 1178: 1173: 1168: 1163: 1159: 1155: 1154: 1149: 1142: 1126: 1121: 1117: 1113: 1109: 1105: 1104: 1099: 1092: 1084: 1080: 1076: 1072: 1068: 1064: 1060: 1053: 1045: 1041: 1036: 1031: 1027: 1023: 1019: 1015: 1011: 1004: 1000: 992: 990: 986: 981: 977: 973: 968: 966: 962: 958: 954: 950: 946: 942: 941:transpiration 932: 930: 926: 922: 916: 913: 909: 905: 900: 898: 894: 889: 885: 881: 877: 876:xylem vessels 873: 869: 865: 861: 857: 853: 849: 839: 837: 833: 829: 825: 821: 817: 813: 809: 805: 801: 797: 793: 789: 785: 782: 778: 774: 769: 767: 763: 759: 751: 748: 745: 742: 741: 740: 738: 734: 730: 726: 722: 718: 714: 710: 706: 702: 698: 693: 691: 688: 685:, helping to 684: 680: 676: 672: 669: 667: 663: 654: 650: 647: 645: 641: 637: 634: 630: 627: 624: 623: 622: 619: 617: 613: 609: 605: 601: 597: 587: 579: 576: 573: 570: 569: 565: 562: 559: 556: 555: 551: 548: 545: 542: 541: 537: 534: 531: 528: 527: 523: 520: 517: 514: 513: 509: 506: 503: 500: 499: 487:Soil Texture 485: 479: 475: 473: 469: 465: 461: 457: 453: 452:transpiration 449: 448:wilting point 445: 440: 436: 432: 427: 421: 417: 409: 405: 401: 397: 396:gravitational 393: 389: 385: 381: 377: 372: 368: 364: 360: 356: 352: 348: 344: 338: 334: 320: 319:wilting point 316: 314:Wilting point 313: 310: 306: 302: 299: 296: 292: 288: 284: 280: 276: 273: 272: 267: 258: 256: 252: 248: 244: 241:measures via 240: 236: 232: 228: 224: 219: 216: 212: 211:transpiration 208: 204: 200: 196: 192: 188: 185:, and breaks 184: 180: 176: 172: 168: 163: 161: 157: 153: 149: 145: 137: 133: 130: 126: 123: 119: 116: 112: 111: 110: 108: 104: 100: 96: 91: 89: 88:transpiration 85: 81: 77: 72: 70: 66: 62: 58: 54: 50: 46: 45:water content 42: 41:Soil moisture 35: 5076: 5069: 5062: 5055: 5048: 5041: 4924:Biogeography 4919:Hydrogeology 4894:Geochemistry 4816:Applications 4712:Martian soil 4171: 4140:Soil horizon 4113:Soil texture 4088:Soil quality 4044:Soil sealing 4017:Soil erosion 3945:Soil physics 3940:Soil ecology 3935:Soil zoology 3925:Soil biology 3883:Soil science 3806: 3795:25 September 3793:. Retrieved 3787: 3767: 3758:Bibliography 3743: 3733:25 September 3731:. Retrieved 3711: 3707: 3697: 3687:25 September 3685:. Retrieved 3673: 3666: 3656:25 September 3654:. Retrieved 3632: 3622: 3588: 3582: 3572: 3562:18 September 3560:. Retrieved 3530: 3524: 3514: 3504:18 September 3502:. Retrieved 3472: 3466: 3456: 3444: 3434:18 September 3432:. Retrieved 3402: 3396: 3386: 3374: 3364:18 September 3362:. Retrieved 3345:(1): 45–56. 3342: 3336: 3326: 3314:. Retrieved 3286: 3280: 3267: 3240: 3236: 3226: 3216:18 September 3214:. Retrieved 3205:(1): 69–76. 3202: 3196: 3186: 3176:18 September 3174:. Retrieved 3162: 3156: 3146: 3136:11 September 3134:. Retrieved 3106: 3100: 3087: 3077:11 September 3075:. Retrieved 3045: 3039: 3029: 3019:11 September 3017:. Retrieved 2997: 2993: 2983: 2973:11 September 2971:. Retrieved 2961: 2928: 2922: 2916: 2889: 2883: 2873: 2846: 2842: 2832: 2820:. Retrieved 2810: 2803: 2791:. Retrieved 2771: 2765: 2755: 2743:. Retrieved 2731: 2727: 2717: 2705:. Retrieved 2693: 2687: 2677: 2665: 2653: 2641:. Retrieved 2616:(1): 55–59. 2613: 2607: 2597: 2585:. Retrieved 2569: 2556: 2529: 2523: 2513: 2494: 2488: 2478: 2459: 2455: 2445: 2433:. Retrieved 2405: 2399: 2389: 2372: 2366: 2360: 2348:. Retrieved 2342: 2333: 2321:. Retrieved 2285: 2279: 2269: 2257: 2245: 2233:. Retrieved 2227: 2215: 2203: 2191:. Retrieved 2179: 2173: 2163: 2151: 2139:. Retrieved 2127: 2121: 2108: 2096:. Retrieved 2076: 2070: 2060: 2048:. Retrieved 2044:the original 2034: 2022:. Retrieved 1992: 1986: 1961:. Retrieved 1941: 1938:Soil Science 1937: 1927: 1915:. Retrieved 1902: 1890: 1878:. Retrieved 1869:(2): 78–81. 1866: 1860: 1850: 1838: 1826: 1814: 1802: 1771:. Retrieved 1751: 1745: 1734: 1722:. Retrieved 1708: 1683: 1677: 1671: 1659:. Retrieved 1639: 1635: 1625: 1588: 1582: 1572: 1547: 1541: 1531: 1519:. Retrieved 1502:(1): 45–56. 1499: 1493: 1483: 1471:. Retrieved 1458: 1446:. Retrieved 1434: 1427: 1415:. Retrieved 1395: 1389: 1379: 1367:. Retrieved 1353: 1325:. Retrieved 1300:(1): 11–21. 1297: 1293: 1283: 1271:. Retrieved 1263: 1254: 1242:. Retrieved 1222: 1216: 1206: 1194: 1160:(1): 71–82. 1157: 1151: 1141: 1129:. Retrieved 1107: 1101: 1091: 1066: 1062: 1052: 1020:(23): 4893. 1017: 1013: 1003: 969: 938: 917: 908:surface area 901: 883: 845: 836:permeability 826:water under 770: 755: 719:, including 717:contaminants 694: 673: 670: 661: 658: 625:Soil texture 620: 593: 585: 476: 428: 340: 308: 251:data capture 220: 164: 141: 107:plant growth 92: 73: 56: 40: 39: 5120:Groundwater 4934:Archaeology 4868:Agroecology 4838:Soil survey 4777:Terra rossa 4772:Terra preta 4752:Spodic soil 4672:Duplex soil 4652:Brown earth 4632:Alkali soil 4622:Rhizosphere 4617:Laimosphere 4491:(1974–1998) 4448:Inceptisols 4355:Plinthosols 4320:Kastanozems 4150:Soil carbon 4073:Soil health 4054:Alkali soil 3983:Soil topics 3908:Main fields 3836:Wadleigh. " 3533:(1): 7–13. 3316:11 November 2822:4 September 2793:4 September 2745:4 September 2734:(1): 1–13. 2707:4 September 1944:(1): 9–21. 1364:10919/75545 1069:: 215–226. 945:evaporation 925:crop yields 852:transpiring 800:unsaturated 713:plant roots 705:vadose zone 633:soil crusts 604:capillarity 392:saline soil 207:capillarity 175:capillarity 84:evaporation 5199:Categories 5110:Vegetation 4853:Soil value 4757:Stagnogley 4707:Lunar soil 4662:Dark earth 4647:Brickearth 4612:Pedosphere 4582:Soil crust 4390:Technosols 4375:Solonchaks 4295:Ferralsols 4260:Anthrosols 4135:Soil crust 4108:Soil color 4093:Soil value 3995:Pedosphere 3920:Edaphology 2462:(7): 523. 2368:BioScience 995:References 912:root hairs 880:cavitation 868:endodermis 848:absorption 820:macropores 792:micropores 788:macropores 725:pollutants 721:pesticides 683:river beds 653:permafrost 590:Water flow 515:Sandy loam 464:adaptation 359:pore space 195:micropores 187:aggregates 179:macropores 115:protoplasm 5139:Petrichor 4914:Hydrology 4899:Petrology 4843:Soil test 4742:Quicksand 4687:Fill dirt 4627:Bulk soil 4473:Vertisols 4463:Spodosols 4453:Mollisols 4443:Histosols 4428:Aridisols 4400:Vertisols 4395:Umbrisols 4385:Stagnosol 4350:Planosols 4345:Phaeozems 4325:Leptosols 4310:Gypsisols 4300:Fluvisols 4280:Chernozem 4275:Cambisols 4270:Calcisols 4265:Arenosols 4189:Soil type 4078:Soil life 3816:704186906 3058:CiteSeerX 2953:119834716 2643:28 August 2587:28 August 2576:CiteSeerX 2490:Hilgardia 2435:28 August 2350:28 August 2323:28 August 2235:28 August 2193:28 August 2141:21 August 2098:21 August 2024:21 August 2005:CiteSeerX 1963:21 August 1917:21 August 1880:14 August 1773:14 August 1724:14 August 1661:14 August 1521:14 August 1473:14 August 1448:14 August 1417:14 August 1369:14 August 1327:14 August 1322:247704630 1273:14 August 1244:14 August 1131:14 August 1044:2072-4292 893:guttation 856:xylem sap 773:capillary 709:percolate 701:saturated 557:Clay loam 543:Silt loam 456:turgidity 156:loam soil 136:turgidity 129:nutrients 99:structure 71:methods. 5095:Land use 5088:See also 4944:Agrology 4727:Paleosol 4642:Blue goo 4597:Gypcrust 4468:Ultisols 4438:Gelisols 4433:Entisols 4423:Andisols 4418:Alfisols 4380:Solonetz 4370:Retisols 4365:Regosols 4340:Nitisols 4335:Luvisols 4330:Lixisols 4315:Histosol 4305:Gleysols 4290:Durisols 4285:Cryosols 4255:Andosols 4245:Acrisols 4155:Soil gas 3915:Pedology 3557:12228579 3499:16653671 3429:16657642 3303:11077257 3259:12651364 3131:53132908 2994:Geoderma 2430:18948457 2318:21874968 2310:19113626 2050:15 March 1700:24134319 1617:16654059 1186:16652508 976:drainage 834:or dual 832:porosity 784:gradient 777:adhesion 733:bacteria 690:aquifers 687:recharge 675:Flooding 640:hardpans 616:adhesion 460:stomatal 431:adhesion 347:hydrogen 287:cohesive 283:adhesive 203:pressure 183:buoyancy 152:leaching 148:colloids 80:drainage 5172:  4974:(India) 4889:Geology 4677:Eluvium 4637:Bay mud 4602:Caliche 4592:Hardpan 4587:Claypan 4577:Subsoil 4572:Topsoil 4458:Oxisols 4360:Podzols 4250:Alisols 4238:(1998–) 4061:Soil pH 3894:History 3716:Bibcode 3639:Bibcode 3359:3338727 3311:8311441 3111:Bibcode 3050:Bibcode 3002:Bibcode 2933:Bibcode 2894:Bibcode 2851:Bibcode 2776:Bibcode 2767:Physics 2618:Bibcode 2534:Bibcode 2410:Bibcode 2290:Bibcode 2081:Bibcode 1997:Bibcode 1946:Bibcode 1756:Bibcode 1644:Bibcode 1552:Bibcode 1516:3338727 1400:Bibcode 1302:Bibcode 1227:Bibcode 1125:1691982 1071:Bibcode 1022:Bibcode 980:mulches 957:deserts 953:steppes 929:sorghum 921:wilting 897:wilting 828:gravity 781:suction 743:Calcium 729:viruses 644:bedrock 608:suction 600:osmosis 596:gravity 472:drought 444:suction 435:mineral 400:suction 388:osmotic 295:suction 279:gravity 199:texture 191:slaking 171:osmosis 167:gravity 154:. In a 144:solutes 103:erosion 57:in situ 47:of the 43:is the 5161:  4787:Yedoma 4722:Muskeg 3840:". In 3827:". In 3814:  3775:  3555:  3548:157559 3545:  3497:  3490:437871 3487:  3427:  3420:396708 3417:  3357:  3309:  3301:  3257:  3129:  3060:  2951:  2638:774611 2636:  2578:  2428:  2316:  2308:  2007:  1720:. 2013 1698:  1615:  1608:437296 1605:  1514:  1320:  1184:  1177:439946 1174:  1122:  1042:  812:Hydrus 404:pascal 394:, and 380:matric 351:oxygen 229:. 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Index

Horn of Africa
water content
soil
Soil moisture measurement
capacitance probes
neutron probes
remote sensing
runoff
drainage
evaporation
transpiration
soil formation
structure
erosion
plant growth
protoplasm
photosynthesis
nutrients
turgidity
solutes
colloids
leaching
loam soil
matric potential
gravity
osmosis
capillarity
macropores
buoyancy
aggregates

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