采用自创的“三维坐标容器法”，研究了潮砂土、红壤土、水稻土对陆稻根系生长发育的影响。

The growth and development of upland rice root system were studied by three-dimensional coordinate container method.

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通过对不同肥力水平黑土、棕壤、黄棕壤、红壤土壤微生物量碳氮的比较，研究和探讨土壤微生物量碳氮与土壤肥力的关系。

To find out the relationship between soil microbial biomass C and N and soil fertility, soil microbial biomass C and N were compared in several types of soil with different fertilization levels.

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该土属红壤亚类，土壤质地以中壤土和重壤土为主，氮、磷及有机质含量中等偏下。

The soil which is mainly composed of middle and heavy clayey loam belongs to sub-laterite.

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