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期 刊 ：中国中药杂志 1993年 18卷 06期 页码：335.

关键词：阳春砂仁；黄化叶；微肥；防治；

Keywords:Amomum villosum, leaf yellowing, trace element fertilizer, prevention,

摘 要 ：土壤缺M_n是引起砂仁叶黄化的重要原因之一,施用微肥MnSO₄矫正土壤缺素,可有效地防治砂仁叶片黄化。

Abstract:The results of the experiment showed that manganese deficiency in soil is one of the main causes of leaf yellowing of Amomum villosum and applying trace element fertilizer can make up deficiency. Manganese sulphate can effectively prevent the leaf yellowing.

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