of soil

• Primary discussion on problems of soil erosion in china
  中国水土流失问题的初探
• Summarization on the effect of soil compaction on crops
  土壤压实对农作物影响概述
• Effects of soil depth on decay speed of straw
  土壤深度对还田秸秆腐解速度的影响
• Process and trend of soil loss tolerance research
  土壤容许流失量研究的进展与趋势
• Infiltration calculation of soil with sand in layer
  具有砂质夹层的土壤入渗计算
• Transforming model of soil moisture between layers of
  土层土壤湿度的转换关系研究
• Quality of soils - terminology of npk fertilization
  土壤的质量. npk土壤改良的术语
• It ' s rich there because of the fertility of soil
  因为土地肥沃，那儿很富裕。
• Studies on spatial variability of soil water with matlab
  研究土壤水分空间变异初探
• Environmental geochemistry of soil in panzhihua city
  攀枝花市土壤环境地球化学研究