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大白菜叶面喷肥增产大白菜叶面喷施增产剂“亚硫酸氢钠”和“丰产素”增产显著，其施用方法如下。１．“白菜增产剂”：在大白菜苗期和莲座期均可喷洒，能增产２０％，还可以提高白菜的包心率，起到一定的防病作用。使用方法是：每亩用药１００克，加水４０～５０公斤喷雾...
Chinese cabbage foliar spray yield cabbage foliar spray yielding agent “sodium bisulfite” and “high yield element” yield significantly, its application method is as follows. 1. “Cabbage yield”: cabbage seedling stage and rosette can be sprayed, can increase 20%, but also can improve the cabbage heart rate, play a role in disease prevention. Use is: 100 grams per mu medication, add water 40 ~ 50 kg spray ...