perfect soil meaning in English
理想土体
Examples
- Academician hou guangjiong , who summarized the experiences from peasants in sichuan province , promoted the no - tillage and ridge culture in 1982 that has two sides of meaning of its name : one is simulating the physical and ecological characteristics of originally moist soil ; the other means rhat the basic characteristic of perfect soil fertility is no - tillage . the key of no - tillage is the supply the past crop residue to soil
1982年侯光炯院士根据四川农民和农村科技工作者的实践经验，在总结覆盖免耕和残茬免耕的基础上提出了自然免耕制，其名称有两方面的涵义，一是模拟自然土高肥力的生理生态特征；二是说明高肥力的基本特征是免耕。 - The reason is that the quality and function of current forest can not match the natural primeval forest with perfect soil conservation effectiveness . because unitary surface material and less land surface roughness which can not retain runoff lead to short confluence time , quick delivery of flood , easy superposition of floods , and result to flood disaster
原因是目前的森林质量和功能都无法与具有水土保持功能的原始森林相比，其地表组成物质太少且单一，地面粗糙度低，起不到对地表径流的阻挡作用，致使地面径流汇流时间缩短，洪水下泄快并容易形成洪水叠加，导致洪涝灾害加剧。