Nutrient reserves depend much on the nature of the soil and how it has been used . 土壤中养分的含量主要取决于土壤的性质及养分利用的方式。
2.
Soil texture and vegetation canopy have a significant effect on regional atmospheric circulations 土壤的性质和地表植被覆盖对大气环流有重要的影响。
3.
Analyses were made to relate soil erosion with pam coverage and describe impacts of pam application on soil erosion Pam对土壤的性质有着明显的改进作用，提高土壤的稳定性，减少土壤侵蚀。
