1Fares A,Alva A K, Kedi-Kizza P N, et al. Estimation of soil hydraulic properties of a sandy soil using capacitance probes and Guelph permeameter. Soil Science ,2000,165 ( 10 ) :768-777.
8United States Salinity Laboratory Staff. Diagnosis and improvement of saline and alkali soils. USDA Handbook No. 60. United States Salinity Laboratory,River-side,CA. 1954.
9Qiurk J P, Schofield P K. The effect of electrolyte concentration on soil permeability. Journal of Soil Science, 1955,6 ( 2 ) : 163-178.
10McIntyre D S. Exchangeable sodium, subplasticity and hydraulic conductivity of some Australian soils. Australian Journal of Soil Research, 1979,17 : 115-120.