1) The rules of soil degradation
土壤退化规律
2) the succession order of the soils
土壤演化规律
3) regularity of permafrost degradation
冻土退化规律
4) Soil degradation
土壤退化
1.
The process and mechanism of soil degradation in karst area in Southwest China;
西南喀斯特地区土壤退化过程与机理探讨
2.
Mechanisms of soil degradation in southwest karst area of China: Characteris- tics of soil water properties of different land use types;
典型喀斯特地区土壤退化机理探讨:不同土地利用类型土壤水分性能比较
3.
Evaluation on Soil Degradation in Different Restoration Stages in the Xiaolangdi Reservoir Area of Yellow River;
黄河小浪底库区不同恢复阶段土壤退化评价
5) soil degeneration
土壤退化
1.
Prevention& repair technology of soil degeneration in the sunlight greenhouse;
日光温室土壤退化的防治与修复技术
2.
The serious soil erosion of the Loess Plateau has led to not only the reduction of soil productivity but also the soil degeneration.
结果表明 :土壤中 <0 0 1mm颗粒和土壤养分流失是造成黄土高原土壤退化的主要原因 ,耕地土壤结构状况的恶化和土壤酶的流失使土壤退化程度进一步加剧 ,从而成为严重制约该区经济发展障碍。
3.
With the rapid development of protected agriculture,problems of soil degeneration is more and more serious in China.
从作物高产、优质以及节水 ,特别是防治土壤退化的角度 ,提出了水分是保护地生产中最为活跃和重要的因子 ,水分调控对保护地土壤退化有很多方面的影响 ;阐述了保护地生产中土壤水分管理的重要性 ;介绍了近年来保护地灌溉研究取得的一些成果 ;在此基础上讨论了今后保护地土壤水分管理的研究重点应包括 :主要栽培作物种类及品种的需水规律、土壤盐分积累特点和水分运动规律、水肥耦合效应原理及其技术
6) soil deterioration
土壤退化
1.
Evaluation index system of soil deterioration in Inter-distributing area of farming and pasturing of northwestern Liaoning Province;
辽西北农牧交错区土壤退化评价指标体系
2.
The basic concept of soil deterioration, the factors evaluating soil deterioration and their system and the method indicating soil deterioration map are advanced .
对土壤退化的基本概念，评价土壤退化的因子，以及它的组成系统和土壤退化图的图斑表示方法进行了讨论。
3.
Soil fertility quality and soil fertility degradation were determined by using quantitative analysis method of soil quality index(QI) and soil deterioration index(DI).
选取吉林省西部地区盐渍化草原5种不同利用方式:放牧草原、围栏草原、旱田、新开水田、老水田,分析测定了土壤的主要养分,并利用土壤质量指数法(QI)和土壤退化指数法(DI)定量研究方法分析了这5种土壤肥力质量和土壤肥力退化指数。
补充资料：矛盾规律(见对立统一规律)
矛盾规律(见对立统一规律)
law of contradiction
mQOCun gu】j口、矛盾规律(lawof eon‘radietion)统一规律。见叶主
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