The human capital approach (HCA) was applied to valuate the loses of groundwater source pollution by nitrate in the typical high-yielding farming region North China.
应用人力资本法(HCA)评估了华北典型高产粮区地下水资源硝酸盐污染的价值损失。
The seepage of irrigation water is an important source of groundwater in the irrigated farm region of arid area Northwest China.
西北干旱地带农业区的灌溉水入渗是地下水补给的重要途径。
The seepage of irrigation water is an important source of groundwater in the irrigated farm region of arid area Northwest China.
西北干旱地带农业区的灌溉水入渗是地下水补给的重要途径。
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