environ. | soil leaching The removal of water or any soluble constituents from the soil. Leaching often occurs with soil constituents such as nitrate fertilizers with the result that nitrates end up in potable waters | 土壤浸出 (从土壤中去除水或水溶性成分。经常去除如硝态氮肥等土壤成分,使得硝酸盐在食用水中消失。) |