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农家肥有效成分含量低且容易损失。若在其中加入适量添加剂,不仅可以防止肥分挥发流失,还能成倍提高肥效。其方法有以下7种。
Manure fertilizer active ingredient content is low and easy to lose. If you add an appropriate amount of additives, not only to prevent volatile loss of fertilizer, but also double the efficiency of fertilizer. The method has the following seven kinds.