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阐述了东至县耕地地力等级分类,将全县耕地分为6个等级,分析了各等级土壤养分状况及土壤耕层厚度,指出了各等级土壤存在的问题,提出了耕地资源合理利用的建议。
The classification of cultivated land productivity in Dongzhi County was described. The cultivated land in the county was divided into six grades. The status of soil nutrients and the thickness of soil topsoil were analyzed. The existing problems of various grades of soil were pointed out. Suggestions for the rational utilization of cultivated land resources .