Knowledge (XXG)

Moisture equivalent

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31:. It is measured by saturating sample of soil 1 cm thick, and subjecting it to a centrifugal force of 1000 times gravity for 30 min. The gravimetric water content after this treatment is its moisture equivalent. This concept is no longer used in 152: 57: 29:
the percentage of water which a soil can retain in opposition to a centrifugal force 1000 times that of gravity
77: 67: 147: 72: 126: 102: 90: 48:
Note: volume of water stored in root zone is equal to the depth of water in root zone (Vw=Dw)
118: 114: 39: 62: 24: 141: 105:; J. W. McLane (1910). "Moisture equivalent determinations and their application". 32: 20: 131:
The wilting coefficient for different plants and its indirect determination
27:
for fine-textured soil materials. Moisture equivalent is defined as
45:
Moisture Equivalent = 0.02 sand + 0.22 silt + 1.05 clay
133:. USDA Bureau of Plant Industry. Bulletin 230. 8: 113:. American Society of Agronomy: 138–147. 119:10.2134/agronj1910.00021962000200010024x 107:American Society of Agronomy Proceedings 7: 97:. USDA Bureau of Soils. Bulletin 45. 23:and McLane (1910) as a measure of 14: 95:The moisture equivalents of soils 35:, replaced by field capacity. 1: 169: 58:Available water capacity 129:; H. L. Shantz (1912). 93:; J. W. McLane (1907). 78:Permanent wilting point 68:Nonlimiting water range 73:Pedotransfer function 127:Lyman, James Briggs 103:Lyman, James Briggs 91:Lyman, James Briggs 42:(1912) found that: 17:Moisture equivalent 40:Homer LeRoy Shantz 38:Lyman Briggs and 160: 153:Equivalent units 134: 122: 98: 168: 167: 163: 162: 161: 159: 158: 157: 138: 137: 125: 101: 89: 86: 54: 19:is proposed by 12: 11: 5: 166: 164: 156: 155: 150: 140: 139: 136: 135: 123: 99: 85: 82: 81: 80: 75: 70: 65: 63:Field capacity 60: 53: 50: 25:field capacity 13: 10: 9: 6: 4: 3: 2: 165: 154: 151: 149: 146: 145: 143: 132: 128: 124: 120: 116: 112: 108: 104: 100: 96: 92: 88: 87: 83: 79: 76: 74: 71: 69: 66: 64: 61: 59: 56: 55: 51: 49: 46: 43: 41: 36: 34: 30: 26: 22: 18: 148:Soil physics 130: 110: 106: 94: 47: 44: 37: 33:soil physics 28: 21:Lyman Briggs 16: 15: 142:Categories 84:References 52:See also 115:doi 144:: 109:. 121:. 117:: 111:2

Index

Lyman Briggs
field capacity
soil physics
Homer LeRoy Shantz
Available water capacity
Field capacity
Nonlimiting water range
Pedotransfer function
Permanent wilting point
Lyman, James Briggs
Lyman, James Briggs
doi
10.2134/agronj1910.00021962000200010024x
Lyman, James Briggs
Categories
Soil physics
Equivalent units

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