Soil Moisture Measurements with the Neutron Method Supplement Weighing Lysimeters
1961
McGuinness, J. L. | Dreibelbis, F. R. | Harrold, L. L.
Evaluation of soil moisture changes with the neutron method agreed closely with that obtained from the weighing lysimeters. Evapotranspiration can be determined with either method by the equation ET = P - G - Q ± Δ M where ET = evapotranspiration, P = precipitation, G = percolation, Q = surface runoff and ΔM = change in soil moisture. Differences were shown in the soil moisture extraction pattern under deep-rooted and shallow-rooted meadow crops. The hydrologic implications of this difference are discussed.
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