degradation soil

Effects of biotechnology on improving the degraded soil ——An example of planting Melilotus offcinalia for improving saline-alkaline soil;

应用生物技术改良退化土壤的效果——以黄花草木樨改良盐碱化土壤为例

Effects of different fertilizing manners on the fertility characteristics of the degraded soil in central Tibet;

西藏中部退化土壤在不同培肥措施下的肥力特征

The authors make ecosystem restoration and reconstruction of degradation soil using theory of restoration ecology in the Three Gorges Reservoir Area.

运用恢复生态学理论对三峡库区退化土壤生态系统进行恢复与重建,不同利用方式退化土壤生态系统恢复与重建的技术措施有显著差异。

Effect of straw returning on the environment of degenerated soil in centr al Tibet;

秸秆还田对西藏中部退化土壤环境的影响

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

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

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

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

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。

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

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

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。

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。

STUDY ON SOIL DEGENERATION OF RECLAIMED FOREST-LANDS IN LOESS HILLY FOREST REGION;

黄土丘陵区林区开垦地土壤退化研究

A Review on Degradation and Restoration of Red Soil

红壤地区土壤退化及恢复重建研究(Ⅰ)红壤的退化

Study on Soil Capability of Nutrient's Holding and Soil Degradation in Karst Area in Southwest China

西南岩溶区土壤养分保持能力和土壤退化研究

It encompasses soil degradation and the deterioration of natural landscapes and vegetation”.

它包括土壤退化和自然景观和植被的衰退。

Soil Degradation in Liaohe Plain and Methods of Its Prevention and Restoration

辽河平原土壤退化及防治与修复技术

Any soil erosion or degradation problems ? Prevention measures?

3是否存在水土流失、土壤退化问题？防治措施。

The Features of Grassland Soil Degradation and Sandification in the Northwest of Sichuan Province and the Analysis to Its Cause of Formation;

川西北草原土壤退化沙化特征及成因分析

Dynamic changes of soil erodibility during process of land degradation and restoration

土地退化/恢复中土壤可蚀性动态变化

Soil compaction often makes soil structure destroying and soil degrading.

土壤的压实往往造成土壤结构的破坏和土壤的退化。

The Study of Physical Properties in Different Degeneration of Semi-desert Soil;

不同退化半荒漠土壤理化性质的研究

Effects of Vegetation Restoration on Labile Carbon and Soil Respiration in Degraded Red Soil;

植被恢复对退化红壤易变碳及土壤呼吸的影响

Effects of Vegetation Reconstruction on Soil Respiration in Degraded Red Soil;

侵蚀退化红壤区植被重建对土壤呼吸的影响

Influences of Vegetation Restoration on Soil Arthropods in Degraded Red Soil;

退化红壤植被恢复对土壤节肢动物群落的影响

protection of soil against erosion or deterioration.

保护土壤不流失或者不退化。

Studies on the Fertility Properties of the Paddy Soils with High Yield and Their Degradation;

高产稻田土壤肥力特征及其退化研究

Soil Respiration and Carbon Balance in Three Different Degraded Forests;

不同退化程度森林土壤呼吸与碳平衡

Dynamics of Soil Microbial Biomass in Degraded Forests;

不同退化林地土壤微生物生物量动态

Study on the Soil Character and Soil Seed Bank of Fencing on the Degenerative Typical Steppe;

封育对退化典型草原土壤理化性质与土壤种子库的影响研究