soil water characteristic curve

例句：

1. 1.The soil moisture characteristic curve is used todetermine the optimal irrigation time forcrops.
   土壤水分特征曲线用于确定作物的最佳灌溉时间。
2. 2. The soil moisture characteristic curve showsthat the soil is dry at this point.
   土壤水分特征曲线显示，此时土壤是干燥的。
3. 3. The soilmoisture characteristic curve can beused to predict the yield ofcrops based on the amount of rainfallreceived.
   土壤水分特征曲线可以用于根据接收到的降雨量预测农作物的产量。