The modified P-M equation is suggested to calculate the reference crop evapotranspiration in solar-heated greenhouse.
建议在日光温室里使用修正后的P - M公式计算参考作物的蒸发蒸腾量。
The system provides calculation of crop evapotranspiration and irrigation quota, and introduces many irrigation methods.
提供了作物需水量计算、灌水定额计算，并且介绍了各种灌水方法。
The results showed that the reference crop evapotranspiration in Hunpu irrigation district increased first and then decreased gradually.
结果表明，在生育期内浑蒲灌区参考作物需水量的变化规律表现为先增大后逐渐减小。
This paper reviewed the methods for computing crop water requirements and emphasized the method based on reference crop evapotranspiration.
评述了作物需水量的计算，并着重分析了基于参考作物蒸发蒸腾量计算作物需水量的方法。
The spatiotemporal scaling effect of crop evapotranspiration (ET) is a scientific basis for efficient water using and water saving management.
作物腾发量(et)的时空尺度效应是作物高效用水调控与节水灌溉管理中需面对的基础科学问题。
Finally, the irrigation water is decided by using fuzzy decision theory considering the effects of soil moisture, crop evapotranspiration and growing stage.
最后根据土壤湿度、作物腾发量以及作物的生长阶段采模糊决策作物的灌水量。
Due to the spatiotemporal heterogeneity of meteorology, landform and physiognomy, different reference crop evapotranspiration methods have different applicability.
受地区间气象、地形和地貌时空异质性的影响，不同参考作物腾发量计算公式适用性各不相同。
We have studied the change law of soil moisture and evapotranspiration in irrigated farmland of corn which is the principal crop of dry farmland in Liaoning province.
以辽宁省主要旱地作物玉米为研究对象，研究了其灌溉田土壤水分变化及其耗水规律。
We have studied the change law of soil moisture and evapotranspiration in irrigated farmland of corn which is the principal crop of dry farmland in Liaoning province.
以辽宁省主要旱地作物玉米为研究对象，研究了其灌溉田土壤水分变化及其耗水规律。
应用推荐