硝酸盐淋溶除了与化肥比率有关外，还与诸多因素如土壤、作物、轮作和气候等因素有关。采用下述适合当地条件的先进农业措施，可将硝酸盐的淋溶降到最低程度。三避免耕地休闲期。应该通过冬季作物的早播或间作，让土壤在年度内尽可能长地覆盖在绿色植被之下。2豆科作物不应在冬 In addition to nitrate leaching and fertilizer ratio, but also with many factors such as soil, crop, crop rotation and climate and other factors. The use of advanced agricultural practices suitable for the local conditions described below can minimize the leaching of nitrate. Three to avoid farmland leisure period. The soil should be covered under the green vegetation as long as possible during the year, either through early sowing or intercropping of winter crops. 2 leguminous crops should not be in winter