Calculation of carbon storage and sequestration in the urban trees of Beijing Advantages and disadvantages of green tea production and primary ecological control techniques in the hilly regions of Hunan Effect of adding lactic acid bacteria and glucose on alfalfa silage quality Determination of the varieties of putrefying fungi of fresh jujube in storage Characteristics of soil nutrient distribution in high-altitude meadow ecosystems with different management and degradation scenarios Effect of 60Co γ- ray irradiation on Chamaecrista spp. nutrient Relationship between humidity,temperature and bisexual flower ratio of Kate mango Physio-chemical mechanism of cadmium tolerance of Chinese cabbage (Brassica chinensis) Nutrient recycling efficiency of a two-chamber septage treatment system Characteristics of artificial plantation communities and soil properties along highway slopes of semi-arid regions Effect of a long-term organic manure application on the different available carbons in red soils Studies on the cutting propagation of Taxus chinensis var. mairei. V. Occurrence and control of pests and diseases of the cuttage seedling in greenhouse Active oxygen metabolism and accommodation of Chamaecrista spp. under chilling stress in seedling period Effects of successive planting on carbon storage of Chinese fir forest Application of complex microbial inoculants in the high-temperature and aeration composting sewage sludge Effect of heat stress on lily physiology at seedling stage Analysis on current status of soil environmental quality of tea gardens in Jiangsu Province Effects of the mixing way of different pastures and crop straws on the nutritive characteristics and utilization efficiency of forage Study on the integrated early mature and frost。avoiding cultivation techniques of cotton in Shanxi Province Effect of low temperature stress on some physiological and biochemical characteristics of Chinese cabbage in field The distribution character of soil nutrient and precision management of fertilizer in farmland in the piedmont of Taihang Studies on the control of verticillium wilt of cotton with the mixtures of biological agents and carbendazim Relationship between active oxygen metabolism and some physioiogicai chan ges in postharvested citrus grown on diffe Study on influence of atmosphere infectant soot on crop Effects of different applying amounts of N fertilizer on the accumulated content of nitrate in the Chinese cabbage Saline-alkali land management and countermeasures of sustainable agricultural development in Songnen Plain Ecological effect of subsoiling high stubble on the winter wheat in sloping land of western Henan Effect of multi-effects triazole(MET)on plant characters and photosynthetic efficiency of leguminous forage in initial flowering stage Efects of N,P,K combinations on nitrate accumulation and nutrient quuality of foliage vegetables grown in soil-less culture Design of farmland GIS for precision agriculture Influences of different managements of winter wheat residues on seedling growth and grain yield of summer corn Effect of freezing stress on the membrane system of the open-field winter cabbage The temperature effects of membrane coverage on cultivated soil of cotton field in Xinjiang Research on biosafety of transgenic plants Research advancement of agroecosystem health and its management Research progress and prospect on conservation tillage Impact of agriculture on the soil sink for methane Evaluation on eco-climate adaptability of crop and herbage in northern ecotone Sustainable mechanism of forest resources Investigation on the freeze-damaged trees by twice uttermost microtherm encountered once in one hundred or fifty years in FujJan Production, trade and legal regulation management systems of organic agricultural products at home and abroad Metabolism and action of plant growth regulators during ripening and storage of firethorn fruit Structural characteristics of effective vegetation for preventing soil erosion Study on the initial planting density and its adjustment of Pinus sylvestris var. mongolica Litvin. artificial forest in the sand land Temporal and spatial distribution of soil organic carbon and its storage in the coastal wetlands of Jiaozhou Bay, China. Study on eco-economic management of typical weak ecosystem region in China Ecologjcal patterns of agro-forestry compound management in sloping field of mountain area in North Fujian Efects of Conservation tillage and crop residues on soil nutrient contents Reconsideration of the generation concept in resource management for sustainable development Discussion and clarification of the characteristics,definition and research objectives of sustainable agriculture An analysis of the benefits of forestherbage intercropping systems in semi-arid Taihang Mountain Areas An analysis of the tree-tea-crop interplanting system and its benefits in Yuanyang County,Sichuan Province Studies on the salt endurance of forage grasse On effective ways for developing fodder grasses in red and yellow earth areas in the southern part of China The Development of the Wasteland and Its Optimum Scale Management--Hints from Developing Wasteland in Nanpi County,Hebei Province Eco-agriculture Practice and Green Food Development in Liuminying Village Studies on the resources exploitation and sustainable development in the poor areas of China Variation characteristics of village and its relation with farmland productivity in south-center of Hebei province Relationship between the rampancy of cucumber mosaic virus and the climate warming and countermeasures Effects of water deficit on cotton growth,physiology and yield Technical researches on sustainable development of dry land farming Effects of local phosphate supply on the growth of wheat seedling Basic research on sustainable utilization and integrated management of agricultural resources Study on fertilizer placement style for zero tillage summer maize A preliminary study on the technology for storage of tissue-cultured plantlets in low temperature condition On forest ecosystem management Crop production system and its management system Cultivating A.Polytricha with forage and biogas residues and the effect of fungi residues on soil improvement The ecological significance of mineral nutrition in plants: II. The uptake,utilization and allocation of mineral nutrients by plants Energy Flow in Winter Wheat-Corn Farmland Ecosystem Under Conservational Tillage System Chinese Agricultural Modernization and the Analysis of the Eco-economy at Its Different Developing Stage Soil Drought and Anti-drought Tillage Methods in the Plateau of Hebei Province A study on compensatory effect of corn at different growth stages to water deficit change Studies on the ecological forages and its utilization in ecological orchard Study on compound ecological models of orchard taking Grain amaranths as a link Climatic productivity of forage grass and its restricting factors in north region of China Preparation of ditags in constructing SAGE library of Monasccus Ruber Effect of conservation tillage and straw application on the soil microorganism and P-dissolving characteristics Development of organic agriculture in China—A case study from projects certified by ECOCERT High-efficiency complementary technologies for double-chain eco-agricultural model of forage grass-goose-fresh eatable maize