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农作物在生长过程中，不仅需要氮、磷、钾大量元素，而且还需要一些微量元素。其中微量元素锌肥对于作物的生长发育起重要作用，而且是其它元素所不能代替的。锌肥主要有硫酸锌和氯化锌。硫酸锌是白色或淡橘红色结晶，易溶于水。氯化锌是白色结晶，易溶于水。锌肥可作基肥...
Crops in the growth process, not only need a large number of elements of nitrogen, phosphorus and potassium, but also need some trace elements. Among them, trace element zinc fertilizer plays an important role in crop growth and development, and can not be replaced by other elements. Zinc sulfate are mainly zinc sulfate and zinc chloride. Zinc sulfate is white or pale orange crystals, soluble in water. Zinc chloride is a white crystal, soluble in water. Zinc fertilizer can be used as base fertilizer ...