农田水分平衡状况对产量有明显的影响。
The farmland hydrological balance "had an obvious effect on yield."
通过定位试验,对宁南黄土丘陵区几种轮作方式的农田水分平衡进行了研究。
The location experiments have been carried out to study soil moisture balance of farmland under different rotation systems in loess hilly areas of South Ningxia.
在农田水分平衡中,较难测定的要素有农田蒸腾蒸发量、地下水毛细上升量和土壤水渗漏量。
Of all components of water balance in farmlands, evapotranspiration, capillary rise from a water table and deep percolation are difficult to determine.
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