蔬菜施肥应注意的问题当前，有些菜农缺乏科学用肥知识，致使菜田施肥后，效果不好有时甚至适得其反，造成肥害与污染，有碍人体健康。下面介绍蔬菜施肥应注意的几个问题，供菜农参考。１．硝酸铵的施用绿叶菜不宜施硝酸铵肥。如小白菜、大白菜、苋菜、芹菜、菠菜等，生长... At present, some vegetable farmers lack scientific knowledge of fertilizers, resulting in fertilizers in vegetable fields, the effect is not good and sometimes even counterproductive, resulting in fat and pollution, hinder human health. Here are some of the issues that should be noted vegetable fertilization for vegetable farmers reference. 1. Ammonium nitrate green leafy vegetables should not be applied ammonium nitrate fertilizer. Such as Chinese cabbage, Chinese cabbage, amaranth, celery, spinach, growth ...