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针对杭州市蔬菜基地土壤特点 研制了新型有机无机复合肥⒚与一般 无机复肥相比它 能明显促进蔬菜地上、地下部分的生长, 使产量大幅度提高 ;同时,明显提高叶绿 素和 Vc 含量并能显著 降低蔬菜 N O2 - 的水平⒚此外,新型复肥还有利土壤磷酸酶、蔗糖酶 、脲 酶活性的提高,因而有利于土壤肥力水平的改善和提高⒚
In view of the soil characteristics of Hangzhou vegetable base developed a new type of organic and inorganic compound fertilizer compared with the general inorganic compound fertilizer can significantly promote the growth of vegetables above and below the ground, so that the yield increased significantly; the same time, significantly increased chlorophyll and Vc content Significantly reduce the level of vegetables N O2 - In addition, the new compound fertilizer is also beneficial soil phosphatase, invertase, urease activity, which is conducive to the improvement of soil fertility levels and improve