The relationship between climatic resources and rainfall - conservation - evaporationcontinuum in fallow period was studied and Fushan County was taken as an example for the rainfed area.
以浮山县为例探讨了旱地休闲期气候资源和降水-贮水-蒸发的关系。
Rainfed agricultural area in Gansu province covers of 76% of total arable lands of this province.
甘肃省旱作农业占全省总耕地面积的76%。
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