Analysis of plant growth promoting rhizobacteria population in apple rhizosphere soils Effect of Ageratina adenophora (Spreng.) and Flaveria bidentis (Linn.) invasion on soil microbial community and Oryza sativa L. growth Flaveria bidentis decomposition and residual body regeneration in soils Characteristics of landscape geochemistry in Karamay artificial carbon-sink forests A review of researches on evolution of soil organic carbon in mollisols farm-land Framework and guiding principles of index system construction of green agriculture in China Effects of incoporation amounts of Chinese milk vetch on nutrient uptake and yield of single cropping late rice Effects of CaCl2 concentrations on the yield,  quality and physiological disorder of potato microtubers Differences in NH3 compensation point among tobacco (Nicotiana Tabacum L.) cultivars and its relationship with N metabolization The Application of Marginal Utility and the Development of High-yield,High-quality and High-benefit Agriculture Utilization of Plant Potentialities to Enhance the Bio-efficiency of Phosphorus in Soil Patterns and Tactics for Agro-economic Development in ECOTONE--A Case Study from Panxi Region in Sichuan Province Influence Factors to Agricultural Technical Innovation in China The probe of the Ten-years Eco-agricultural Practice in Jilin Province Nutrient Contents in Paulownia and Soil and Their Effects on Witches‘Broom Position and Functions of Anaerobic Digestion in Eco-agriculture Corn Starch Gel and Plant Tissue Culture I. Effects of Corn Starch Gel Medium on Differentiation and Growth of Malus Zumi and M26 Potential Productivity of Light and Heat Resources and Its Utilization in Winter Wheat Field Features of Rural Garden Economy and Tactics for Its Development A Report on Eco-agricultural Development in Xining City Establishing Forest Environmental Resource Industry to Promote the Sustainable Development of Forestry Application of Farming System Approach to Researches on Sustainable Farming System Development Combination of Subsistence with Development:Rising of the Agroforestry Sustainable Agriculture is an Effective Way of Improving Rural Economy and Protecting Ecological Balance The Influences of CO2 Concentration Doubling on Growth and Development,Yield Formation and Germination Percentage of Winter Wheat Population Supporting Capacity of Land(PSCL) in Dabie Mountainous Region in Hubei Province Effects of Cultivation Techniques for High-yield and High-benefit Growing of Foxtail Millet A Review of Certain Problems in Intercropping Research An Approach Confirming The Representative Regions of an Agroecological Experimental Station--A Case Study from Changwu Agroecological Exprimental station Discussion of Problems in Agro-eco-system Assessment Limitation Factors to the Yield of Winter Wheat Growing on Non-irrigated Land in Heilonggang Area Modelling the Biomass Dynamics of Alpine Meadow Effects of System Factors on Productivity of Key Agricultural Elements Development and Prospect of Land Resource Economics in China Energy Flow in the Agroecosystem of Farming-Livestock-Fruit Study on Rational Land Use for Comprehensive Agro-development--A Case Study from Jixian County,Shanxi Province The Effects of Microgeomorphology on Soil Formation and Agricultural Utilization in Modern Yellow River Delta Material-flow Structure and Nitrogen-recycling Efficiency of Kangji Ecological Farm Microclimate in the Downland Region of Taihang Mountains and the Construction of Artifical Vegetation Ecological Functions of Diversified Farmland landscape Evaluation of the Functions of a Compound Agroecosystem The Obstacles in the Current Agricultural Development Macroscopic Features of Nitrogen Transformation and Cycling in the Agroecosystem in China and It‘s Implications to Ecological Agriculture The Quantitative Features of A Typical Agroecosystem and the Strategies for its Sustainable Development in the High Production Area in Taihang Piedmont Effects of Applying Molybdenum to Soybean and Intercropped Maize on the Increase of Nitiogen and Yield The Allocation Structure of an Eco-agricultural Resource-saving Model Correlative Analysis of the Relationship of the Comprehensive Exploitation the Rural Energy Resources and the Development of the Rural Economy in Huabei Plain Studies on the Regional Distribution of the Main Superior Pear Cultivars and Their Optimum Ecological Indexes in China The Development of the Wasteland and Its Optimum Scale Management--Hints from Developing Wasteland in Nanpi County,Hebei Province A Study on the Rooting Method of Test-tube Plantlet by Air-culture and Its Application to Industrialized Micropropagation Prospects For Agricultural Modernization in China--Modern Intensive Sustainable Agriculture Market Economy and Systems Engineering for Natural Resource Management A Discussion on the Eco-agricultural Ways for Comprehensive Agricultural Development in Huanghuaihai Plain The Vertical Climatic Habitat Zones in Mountainous Regions in South-western Hubei Province Light Distribution in Crop-tree Intercropping Area and its Agricultural Value The Effects of Crop Structure Adjustment on Agricultural Disaster Reduction Decision The Effects of Microorganisms on Eco-agriculture The Characteristics of Farmland Terra Nera Ecosystem A study on the Ecological Effects of Joint Pollution of Cd,Pb,Cu,Zn in soil Eco-agriculture Practice and Green Food Development in Liuminying Village The World Grain Production and the Agro-eco-environmental Changes The Application of the Artificial Neural Network to Forecasting the Epidemic Trend of the Cotton Boll Rot Evaluation of the Eco-environment for Chinese Chestnut By Gray System Theory The ecological significance of mineral nutrition in plants: II. The uptake,utilization and allocation of mineral nutrients by plants Tentative Ideas for Agricultural Development in Sandy Area in the Lower Reaches of Luan River A Brief Introduction to the Researches on Allelochemicals in Wheat Straw By the Theory of Ecological Economics to Promote the Development of the Ecological Agriculture in China The Prospect of Eco-agricultural Development in China in the Current Movement of the World Sustainable Agriculture Comprative studies of the Ecological Agriculture Between China and the Western countries The Ecological Agriculture and Its Development in China Characteristics of Ecological Agriculture Practice in Zhejiang Province Chinese Agricultural Modernization and the Analysis of the Eco-economy at Its Different Developing Stage A Tentative Idea About the Framevork of Eco-economic Theory Under the Adjustment of Market Economy A Study on the Obstructions,Regularity and Counter-measures of Sustainable Agricultural Development in China Desertification Problem and Its Control Strategy in Northern China Sustainable Agriculture,Alternate Agriculture and Chinese Eco-agriculture The Environmental Impacts of Soil Erosion The Development of "Tri-high"Ecological Forestry by Market Economy Soil Drought and Anti-drought Tillage Methods in the Plateau of Hebei Province Nitrogen and Phosphorus cycling and Nutrient Use Efficiency Improvement in Agriculture and Animal Husbandary Ecosystem