Elaborating the soil fertility condition of Kazuo county's cultivated land and the change from those of the second general survey of soil;

阐述了喀左县耕地土壤肥力现状及与第二次土壤普查年相对比的变化情况；

youdao

This paper adopted the soil distribution area, sampling data and soil organic content from the first soil general survey and applied the technique of GIS to estimate soil carbon reservior in China.

根据中国第一次土壤普查得到的土壤各类型分布面积、采样数据、土壤有机质含量，运用GIS技术，来估算土壤碳库。

youdao

According to the survey materials, this article analyses the reason of soil erosion and water loss, and put a general protective measures.

根据调查资料，分析总结了水利工程建设中水土流失的原因，并提出了一般性防护措施。

youdao