A study of the characteristics and mechanisms of soil acidification in the Dongting Lake region in Hunan Province,South China;
湖南洞庭湖地区土壤酸化特征及机理研究
The incubation experiment studies on the influence of soil acidification on greenhouse gases emission;
土壤酸化对温室气体排放影响的培育实验研究
The factors of influence accelerating soil acidification under acidic deposition;
酸沉降下加速土壤酸化的影响因素
Study on Remote Sensing of the Degree of Land Desertification in the West of Ji Lin Province;
吉林西部土地沙化程度遥感研究
Based on the field research,correlativity of land desertification and water resources(including natural precipitation,ground run off,groundwater),population,cultivated land,livestock,and grain output were analyzed quantitatively by using mathematical statistics method.
以甘肃民勤县土地沙化为研究对象,在实地调查研究的基础上,采用数理统计的方法,对土地沙化与水资源(包括自然降水、地表径流、地下水)、人口、耕地、林地、牲畜、粮食产量等因素之间的相关性进行了定量分析,科学揭示出了民勤土地沙化扩展加剧的驱动机制,为综合整治土地沙化问题提供了科学决策依据。
Based on the data of field investigation,monitoring and remote interpretation and referring to the data researched by predecessors,the monitoring condition of land desertification of north-west area of Sichuan province is presented and the desertification cause is analyzed.
根据野外调查、监测与遥感解译,结合前人研究资料,论述了对川西北地区沙化土地的监测情况,分析了其沙化原因,川西北土地沙化有自然因素和人为因素2个方面。
identification of podzols and podzolised soils
鉴定灰壤土和灰化土
The factors causing soil salinization include natural factors such as climate, hydrological and geological conditions, and human-made factors, such as irrigation patterns and cultivating system.
盐渍化土壤类型主要为典型盐土、沼泽盐土、碱化盐土和干旱盐土。
STRENGTHEN LAND ADMINISTRATION AND PROMOTE THETRANSFORMATION FROM LAND RESOURCE TO LAND CAPITAL;
强化土地管理 加快土地资源向土地资本转变
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
The Effects of Land Use Change on the Soil Organic Carbon and the Soil Respiration;
土地利用变化对土壤有机碳和土壤呼吸的影响
Research on Soil Enzyme Activities and Soil Nutrients in Different Types of Farmland in Salinization Fluvo-aquic Soil
盐化潮土不同农田土壤养分和土壤酶活性研究
SOIL HYDROLOGIC EFFECT OF THE EARTH-CUMULIC SURFACE HORIZON AND THE ARGIC HORIZON OF LOU SOIL IN LOESS PLATEAU
黄土高原(土娄)覆盖层与黏化层的土壤水文效应
Methods for chemical analysis of rare earth chloride and carbonate--Determination of total rare earth oxide contents
GB/T16484.19-1996氯化稀土、碳酸稀土化学分析方法氧化稀土总量的测定
Soil Plasticizing Technique for EPB Shield Excavation
土压平衡盾构施工中土的塑流化技术
Effect of the K Bacteria on Nutrients Activation in Lou Soil
钾细菌对土娄土养分活化作用的研究
Study on the Change of Land Use/Land Cover of Bashang District;
坝上地区土地利用/土地覆被变化研究
Studies on Land Use and Land Cover Change Based on GIS;
基于GIS的土地利用/土地覆被变化研究
Land Price Strategy under the Market-featured Management of Urban Lands;
城市土地市场化经营下土地价格策略
Study on the Relationes between Soil Hexavalent Chromium and Soil Biochemically Activity;
土壤Cr（Ⅵ）与土壤生化活性关系研究
A Study of Fertilization and Nitrous Oxide Losses on Loess Soil;
黄土性土壤施肥与氧化亚氮排放研究
Advances in The Study of Soil Carbon Effect of Land-use Change;
土地利用变化的土壤碳效应研究进展
Land Use and Land Cover Change Of Qujing City;
曲靖市土地利用与土地覆被变化研究
The Reseach of Land Use/Land Cover Change Using Remote Sensing Monitoring;
土地利用/土地覆被变化遥感监测研究