1) unprotected soil organic carbon
土壤非保护性有机C
1.
Content and distribution of unprotected soil organic carbon in natural and monoculture plantation forests of Castanopsis kawakamii in subtropical China;
格氏栲天然林与人工林土壤非保护性有机C含量及分配
3) South African Soil Conservation Act
南非土壤保护法
4) soil conservation
土壤保护
1.
The soil conservation in the United States shifted the emphasis on reducing soil erosion for increasing the productivity of fields onto reducing the effect of soil erosion on environment in 1970 s.
60年来美国开展了大量的土壤侵蚀治理项目，土壤保护经历了由注重减轻田间土壤侵蚀、增加土壤生产力到注重减轻土壤侵蚀对环境影响的转变。
5) soil protection
土壤保护
1.
The article introduces the soil pollution from modern agriculture,and the characteristics of modern organic agriculture,and the ecological principle of organic agricultural soil protection.
综述了现代常规农业对土壤的污染、有机农业的特点及有机农业土壤保护措施的生态学原理。
2.
On the base of that the practical and theoretical research lacks of highway area soil protection were proposed as a reference for further researches.
为了更好地促进路域土壤的保护,在全面分析公路建设对土壤造成的影响的基础上,指出了路域土壤保护在理论研究和实践等方面存在的不足,为进一步开展相关研究提供依据。
补充资料：连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
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