<正>调查分析了皖南等低山丘陵地区杉木（Ｃｕｎｉｎｇｈａｍｉａｌａｎｃｅｏｌａｔａ），檫木（Ｓａｓｓａｆｒａｓｔｓｕｍｕ），柏木（Ｃｕｐｒｅｓｓｕｓｆｕｎｅｂｒｉｓ）不同林分下１２个样地土壤剖面的微量元素（铜、锌、铁、锰、钼）状况，分析了其有效含量，并调查了各林分的林木生长状况。通过生态系列比较法，初步探明了不同林分下各微量元素的变化及其与混交方式下的差异。指出在林地土壤富含有机质的情况下，某些林分下土壤中个别微量元素的有效量仍较低，甚至处于临界水平之下，可能存在铜、锌、钼不足的问题和铁、锰富集现象。同时认为混交可改善林地土壤微量元素状况。

This peper deals with the research on the growth of trees and the status of soil micronutrients (Cu、Zn、Fe、Mn、Mo) in 12 soil Profiled under Chinese fir, Chinese sassafras and Chinese weeping cypress stands in the low mountains and hilly regions of the southern pert of Anhui Province. By means of ecological comprison, the characteristics and changer of the soil micronutrients under various stands. the differences of those between the pure stands and mixed forests were preliminarily studied. The results show that the available contents of some soil micronutrients are still at their low level and sometimes even lower than their critical values. though the forest lands are generally rich in soil organic matters. It means that some trace elements such as Cu、Zn and Mo might be insufficient, but Fe and Mn are enriched. And the mixed forest stands can improve the supply of soil micronutrients in forest lands.