FUNCTION:1.To strengthen the plant tomato cell membrane to make the the tomato far from the harm of pests and diseases and promote a good harvest. 2. To promote growth of root tomato ,and the effective carbohydrate metabolism. 3. To eliminate the toxic effections from other positive ions , such as hydrogen ions(H+), ammonium ions(NH4+), aluminum ions(Al3+ ) ,magnesium ions(Mg2+) and so on.This effection is called ion antagonism.
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