Unverified85% confidenceDecision RuleTime unknown
叶缘焦枯、生长点萎缩多为缺钙,但钙在植物体内不易移动,叶面补钙需喷到新叶和果实部位,选硝酸钙或螯合钙,避免与含磷/硫酸盐肥混喷(会沉淀)
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85%
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Long-term
Relevance
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