Tillage and Saline Irrigation Effects on Water and Salt Distribution in a Sloping Field
Z.B. Huanga,
S. Assoulineb,
J. Zilbermanb and
M. Ben-Hurb
a Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi Province 712100, People's Republic of China
b Institute of Soil, Water and Environmental Sciences, A.R.O., the Volcani Center, Bet Dagan 50250, Israel
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Fig. 1 Schematic layout of the implemented tillage practices
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Fig. 2 Dry canopy yield as a function of the downslope distance from the uphill site for the various treatments. The vertical bars represent two standard deviations. Different letters indicate significant differences (P < 0.05) between the sampling sites along the slope in each treatment
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Fig. 3 Gravimetric water content in the soil as a function of the soil depth for downslope, midslope, and upslope sites along the slope and the various treatments. The horizontal bars represent the range of the measured values
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Fig. 4 Electrical conductivity (EC) in saturated soil paste as a function of the soil depth for downslope, midslope, and upslope sites along the slope and the various treatments. The horizontal bars represent the range of measured values
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Fig. 5 Electrical conductivity (EC) in saturated soil paste of the 0- to 0.3-m soil layer as a function of the downslope distance from the uphill site for the various treatments. The vertical bars represent the range of measured values
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Copyright © 2000 by the Soil Science Society of America.
