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在雷州桉树人工林下，两种类型的砖红壤由于受不同母质和质地的影响，土壤养分和桉树叶片养分质量分数有较大差异。本文着重研究了有桉树缺素现象的浅海沉积物砖红壤上的枝树叶片营养特点和桉叶片中各营养元素间的相互关系，结果表明桉树是喜锰植物，其营养元素间的相互关系较复杂，且不同树种情况有差别。
Under Leizhou eucalyptus plantations, the soil nutrient and eucalyptus leaves had significant differences in nutrient contents between the two types of red brick loess due to their different parent materials and textures. This paper focuses on the nutrient deficiencies of eucalyptus red brick in shallow sea sediments and the relationship between nutrient elements in eucalyptus leaves. The results show that eucalyptus is a hi manganese plant, and the correlation between nutrient elements is relatively Complex, and there are differences between different tree species.