In soil-plant-atmosphere system, soil available water content, crop water consumption, and effective precipitation are the main factors in water balance equation of farmland.
在土壤-植物-大气系统中，土壤有效水分贮存量、作物耗水量和有效降水量是农田水分平衡的主要组成因子。
ISAREG is an irrigation scheduling simulation model based on the concept of crop water requirements and soil water balance.
从作物需水量的基本概念出发，以水量平衡原理为基础，建立了模拟农田根层土壤水循环的计算机模型- IS AREG。
ISAREG is an irrigation scheduling simulation model based on the concept of crop water requirements and soil water balance.
从作物需水量的基本概念出发，以水量平衡原理为基础，建立了模拟农田根层土壤水循环的计算机模型- IS AREG。
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