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锰毒害对苹果树势影响较大,严重的能造成大量死枝、死树。现简单介绍一下苹果锰毒害发生的主要原因及防治措施。1 苹果锰毒害发生的主要原因1.1 土壤有效锰含量过高。我镇发生苹果锰毒害的果
Manganese poisoning has a greater impact on the apple tree potential, serious can cause a large number of dead branches, dead trees. Now briefly introduce the main causes of manganese poisoning and prevention measures. 1 apple manganese poisoning the main reason 1.1 soil available manganese content is too high. Apple poisoning occurs in my town