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THE USE OF FLOWER BUD MEASUREMENTS FOR FORECASTING FLORESCENCE IN PRUNUS SARGENTII Implementing Natural Forest Project in a Collective Forest Area Effect of field covering with plastic and straw on agricultural ecology of apple orchard in arid desert area Effect of applying fertilizer on nitrate accumulation in vegetables Study on division of eco-environmental conservation in Ningxia Benefit analysis of orchard ecosystem in the Three Gorges Reservoir--A case study from‘Huangxin’immigrant industry area of high efficiency ecological agriculture in Chongqing Ecological province construction is a profitable probe and practice of regional sustainable development Improvement of the construction of protection zone with ecological function Environment effects of enhanced ultraviolet-B radiation on plants Environment effect of forest harvesting and protection techniques Distribution of available soil nutrients in Duolun County located in the interlaced area of agriculture and pasture and reclaimation measure Quality characters and improvement tactics of wheat varieties in Hebei Province The prospect of organic agriculture in China Study on ecological security in Three Gorges reservoir area of Chongqing Research on biosafety of transgenic plants Ecology harnessing and its utilization for high efficiency of the sandification land in west Jilin Province Effects of climatic change on tobacco yield and the selection of its adaptive region in China Degradation of grass lands and its preventive countermeasures in Tibet Autonomous Region Reasonable exploitation of climatic resources to develop vegetable industry in Guangzhou Characteristics of farming-forestry-animal husbandry integrated ecosystem in Kaifeng sandy region Technical system of prevention forest fire in the travelled region of Lu Mountain Effect of organochiorine pesticide residues on agricultural products quality The countermeasures of biodiversity conservation project in Quanzhou City Developing West China and building green homeland A study on control and treatment countermeasures of solid waste of Chongming Island Ecoenvironment problems and their countermeasures in developing West China Study on the uncertainties of methods and precision of net radiation flux measurement Some progress in TDR manufacture and application Ecoenvironmental problems and countermeasures in the extensive development of West China The current status and countermeasures of eco-agricultural construction in Gushi County Evolution and countermeasure of agro-ecoeconomlc system in low-hilly red earth areas Strategies for sustainable development in China Important progress on research development and countermeasures of dry land agriculture in North China Factors contributing to CO₂ emission reduction potential of the power sector in China Emission paths and measurement methods for greenhouse gas fluxes from freshwater ecosystems:a review Impact of sea level rise on ecosystem services values and adaptation measures The construction of the eco-agricultural yards in three gorges reservoir area based on agricultural non-point source pollution zones FALLOUT RADIONUCLIDE BASED TECHNIQUES FOR ASSESSING THE EFFECTIVENESS OF SOIL CONSERVATION MEASURES IN DIFFERENT ERODED REGIONS OF CHINA Effects of different ameliorant measures on the chemical and physical properties of soil in acid sulfate paddy field and rice yield Effects of Three Soil Moisture Conservation Measures on Dynamics of Mineral Nutrition Elements in Ziziphus jujuba ‘Linyilizao’ Leaves and Its Yield STUDY ON THE APPLIED THEORY AND METHODOF ANGLE MEASURING IN VOLUME GROWING ESTIMATION The current status and countermeasures of eco-forestry construction in Gushi County,Henan Province Courtyard economy construction situation and development countermeasure at hilly land region in north Hunan Province-A case study from Pantangzhen of Hunan Province Relationship between the rampancy of cucumber mosaic virus and the climate warming and countermeasures Sustainable use of farmland resources in China Overcome the limited factors and promote the development of ecological agriculture Main factors affecting soil-borne methane oxidation and measurements for reducing CH₄ flux Some contradictions and countermeasures in agricultural sustainable development Impacts of typhoon storm on farmland ecological environments in the eastern coastal area of Zhejiang Province and their countermeasures Study on the measurement method of technology progress rate in eco-agriculture An analysis on the genesis of debris flow in Taihang Mountains and ecological prevention countermeasure--Taking genesis of debris flow in Hebei Province in 1996 as an example Ecosystem situations and developmental countermeasure of tea gardens in China Present situmtion,problems and countermeasures of Chinese flowering industry A Study on the Obstructions,Regularity and Counter-measures of Sustainable Agricultural Development in China The climatic resource characteristics and countermeasures of agricultural development in Leizhou Peninsula The influence of climatic ecology factors on the yield and quality of flue-cured tobacco and the countermeasures of planting tobacco in Jiangxi The characters of agrometeorological disaster，its mechanism and countermeasures in China Division warning of agricultural resources and environment in Heilongjiang Province Evaluation and countermeasures of the sustainable utilization of grassland resources in development of western China The industrialization of eco-agriculture The agricultural countermeasures and development trend of eco-agriculture in China after access to WTO Improving the safety of food is the key to developing eco-agriculture Fundamental choice for the development of agriculture in China-eco-agricultural industrialization Study on distribution of special high quality commercial foodstuff production base in Northeast of China Population Ecological Characteristics and Analysis on Endangered Cause of Ten Endangered Plant Species Sugar-inversion method for measuring temperature and its application to landscape ecology research The Distribution and Harmful Effect of Mikania micrantha in Guangdong MODIFICATION OF SHANNON-WIENER INDEX Advances in the researches on bacterial stem and root rot of sweet potato caused by Dickeya dadantii Life habits of Moritziella castaneivora (Hemiptera: Phylloxeridae) and its control measures Alert and prevention of the spreading of Aegilops tauschii, a worst weed in wheat field System and Method of Accounting Measurement for Forest Natural Capital Internalization of Externality Problem of Commercial Forest Research Progress of Quarantine Pest Carpomya vesuviana Forest Measurement Method and Data Analysis of Multi-Baseline Digital Close-Range Photogrammetry System Stability and Importance of Morphological Characteristics in Example Varieties Based on DUS Test Circular economy in eco-agriculture construction Analysis on Glycyrrhiza uralensis Fisch and soil desertification Agricultural non-point source pollution and its countermeasures in the western regions The reason of forming salinized soil and its prevention in automatic green-house