Five soil exchangeable sodium percentages (ESP) of 0, 5, 10, 20, 40 and four soil water contents(w/w) of 0.05, 0.10, 0.20, 0.34(saturated) were tested.

 
  • 試驗處理采用5種土壤堿度(土壤可交換鈉百分比ESP=0、5、10、20、40)和4種土壤質(zhì)量含水率(0.;05、0
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