1) soil carbon content
土壤碳含量
2) soil C and N content
土壤碳氮含量
1.
In order to explore management approach for sustainable development of soil quality, we study the effect of land degradation on soil C and N content, examine the relative influence of various rehabilitation practices (three seeding treatment and a non-seeded natural recovery treatment) on soil C and N content in early secondary succession.
针对我国青藏高原草地大面积退化及由此引发的一系列生态环境问题,从土壤生态功能恢复和区域可持续发展的角度出发,将原生高寒嵩草草甸封育系统作为对照,研究了土地退化对土壤碳氮含量的影响,检验了不同人工重建措施(3个人工种植处理:混播、松耙单播、翻耕单播和1个自然恢复处理)对土壤碳含量的相对影响程度。
3) soil organic carbon content
土壤有机碳含量
1.
For analyzing the changes of SOC in 1980-82 and again in 2000,the soil organic carbon content of these samples were analyzed respectively.
通过对我国北方黄淮海平原区、黄土高原区和东北区三个主要农业生态区典型区县土壤有机碳含量的测定, 并与二次土壤普查时期比较,结果表明黄淮海平原区和黄土高原区土壤有机碳含量增加,而黑土区土壤有机碳含量降低。
2.
The results were as follow:(1) The average soil organic carbon content for the four forest types was 8.
土壤有机碳含量随深度增加而递减,但植被类型不同其减少程度不同,其中阔叶林变化幅度最大达72。
3.
After 3 years experiment,the soil organic carbon content of C,R,H,Z are 7.
3年定位试验后,翻耕、旋耕、耙耕和免耕模式的土壤有机碳含量分别为7。
4) soil organic carbon content(SOC)
土壤有机碳含量(SOC)
补充资料:土壤水分运动基本方程(见土壤水运动)
土壤水分运动基本方程(见土壤水运动)
turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条