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zinc sulfat

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  • How to correct the deficiency of fruit trees on the brink of death?

    Deficiency (iron, zinc, copper and magnesium) to fruit tree twigs, roots rotted, fruit decay, even the whole die, correct common fertilizer trees deficiency of ferrous sulfate, zinc sulfate element fertilizer, etc. In north China, pear, apple and orange in the south of fruit trees such as general lack of iron, and iron deficiency is associated with zinc deficiency commonly. [Read More]



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