It is pointed out that the worsening of soil moisture states inthe level terraced fields cover two parts, i. e. the decrease in soil moisture storage rate, and increase in crop water requirement;
指出，水平梯田水分状况的恶化包括蓄墒率的减小和作物需水量的增大两部分；
It is pointed out that the worsening of soil moisture states inthe level terraced fields cover two parts, i. e. the decrease in soil moisture storage rate, and increase in crop water requirement;
指出，水平梯田水分状况的恶化包括蓄墒率的减小和作物需水量的增大两部分；
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