目前我国蔬菜生产绝大多数达不到绿色食品蔬菜的要求,即使已通过主管部门认定并且规定要求来生产的,多数也仅达到A级。一、现状当前由于我国菜田面积不断扩大,有机肥严重不足,菜农只有使用化肥,尤其是氮素化肥大量使用,影响蔬菜品质。另外,保护地大面积发展,人均占地少,难以轮 At present, the vast majority of China’s vegetable production does not meet the requirements of green food and vegetables, even though it has been identified by the competent authorities and the requirements to produce, the majority also reached only A level. First, the status quo At present, due to the continuous expansion of China’s vegetable fields, a serious shortage of organic fertilizer, vegetable farmers only use chemical fertilizers, especially nitrogen fertilizer, extensive use, affecting the quality of vegetables. In addition, the protection of large-scale development, small per capita land, it is difficult to turn