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介绍环保型蔬菜专用叶面肥配方设计的研究方法,提出了20个配方进行大田小区试验,优选出的配方经在蔬菜上施用后,产量增加,蔬菜中亚硝酸盐含量低于0.001mg/kg;根茎类蔬菜中硝酸盐含量低于198mg/kg,叶菜类蔬菜中硝酸盐含量低于50mg/kg,达到了无公害蔬菜的要求。
This paper introduced the research method of formula design for environment-friendly vegetable-specific foliar fertilizer, and put forward 20 formulas for field plot test. The optimal formula was applied on vegetables, the yield increased, the content of nitrite in vegetables was less than 0.001mg / kg ; Root vegetables nitrate content less than 198mg / kg, leafy vegetables nitrate content below 50mg / kg, reaching the requirements of pollution-free vegetables.