irrigation date meaning in English

灌水日期

Relations between corn yield and rainfall and optimal irrigation date in north shaanxi and weibei plateau
渭北玉米降水产量关系与最佳补充灌溉时期初步研究
According to the manner of possible water shortage in future , the water deficit treatment was designed with controlled water application method ( reduce water application with irrigation date remaining unchanged according to the irrigation schedule in use ) which is more suitable to the irrigation management of the local area
结果表明，两种作物相对减产量与相对亏水量的线性相关系数偏低，显示除缺水程度外缺水时间对产量也有显著影响，线性模型仅比较粗略地表达这两种作物的产量与全生育期水分的关系。