Soil division and climate zone coincide in this region, and was divided into five zones.

本区土壤区带和气候区域的分带基本一致，共分为五个土壤气候带。

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Table 1 Resource gradients division of soil factors. The same values in adjacent grades are assigned to the lower grade.

表1土壤因子梯度等级划分。相邻等级中相同的值划入低等级。

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Organic substance and physical clay of soil are important basis for index division.

其中，土壤有机质和物理性粘粒是重要的指标划分依据。

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