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蔬菜施肥应对蔬菜整个生长周期加强控制肥料污染、农药污染,少追肥,甚至不施用化学合成肥料,减少各种残留污染,使人们食用后感到更安全更放心。 目前施肥上普遍存在的问题是氮肥偏多。尤其是保护地,施氮后明显看出叶色浓绿,不少人偏重施氮肥。过量施氮不但造成浪费,更容易使土壤产
Vegetable fertilization should control the fertilizer pollution, pesticide pollution, less fertilizer, or even chemical synthetic fertilizer to reduce the various residual pollution, so that people feel safer and more assured after eating. The common problem with fertilizers is that there is a lot of nitrogen fertilizer. Especially in the protected areas, it is obvious that the leaf color dark green after nitrogen application, many people favor nitrogen fertilizer. Excess nitrogen application not only results in waste, but also makes soil production easier