soil erosion division map [土壤] 土壤侵蚀分区图
soil conservation division [土壤] 土壤保持分区
soil survey division 土壤调查处
soil geochemical division 土壤地球化学分区
soil amelioration division map 土壤改良分区图
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。
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。
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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