soil fertility 第2页

Effects of long-term nitrogen,phosphorus and potassium fertilizer applications on maize yield and soil fertility Effect of long-term imbalanced fertilization on purple soil fertility Effects of long-term rice straw returning on the fertility and productivity of purplish paddy soil null Effects of nitrogen rates on grain yield and quality of wheat in different soil fertility Study of the changes of the rice yield and soil fertility on the paddy field under long-term no-tillage and ridge culture conditions Research on relationship between soil enzyme activities and soil fertility Change of soil nutrients under greenhouses under long-term fertilization condition Effects of long-term fertilization on soil enzyme activities and its role in adjusting-controlling soil fertility THE SCIENTIFIC VALUE OF LONG-TERM SOIL FERTILITY EXPERIMENT Study on the Soil Fertility Changes in Planting Base to Develop the Special Fertilizer for Cultivation of Chrysanthemum morifolium A Study on Establishment of Improved Pasture through Sheep Camping THE CHANGE OF ORGANIC,NITROGEN, PHOSPHORUS AND POTASSIUM NUTRIENT IN THE DIFFERENT CROPPING SYSTEM Nutrient spatial variability of tobacco soil restoration area and fertility suitability level evaluation. Relationship between tumorous stem mustard yield and soil fertility in Fuling, Southwest China. Biological properties of lateritic red soil and their relationships with soil fertility in Southern China under different land use types. Effects of herb residue vermicompost on maize growth and soil fertility. Effects of different tillage and fertilization modes on the soil physical and chemical properties and crop yield under winter wheat/spring corn rotation on dryland of east Gansu, Northwest China. Effects of straw returning on the integrated soil fertility and crop yield in southern China.  Chemical properties and enzyme activities of rhizosphere and non-rhizosphere soils under six Chinese herbal medicines on Mt. Taibai of Qinling Mountains, Northwest China. Dynamics of Soil Organic Carbon and Nutrient Contents Under Long Term Organic Amendments in Fluvo-aquic Soil Region North China Functions and assessment methods of protecting soil fertility of agro-forestry ecosystems Spatial and temporal variability of soil quality in typical black soil area in Northeast China in 20 years Evaluation of ecological and economic benefits of crop production in Jiangsu Province Comprehensive evaluation of fertility quality in hilly tea plantation soils based on GIS and geostatistics Effects of nitrogen rate on nitrogen fertilizer use of winter wheat and content of soil nitrate-N under different fertility condition Impact of soil fertility maintaining practice on soil microbial biomass carbon in low production agro-ecosystem in northern China Soil fertility quality evolution after land use change from rice-wheat rotation to plastic film covered vegetable Effect of long-term fertilization on crop yield and soil fertility in the high yield area of plain at the foot of Yanshan Spatial-temporal evolution of soil fertility in Yellow River Delta——Case study in Kenli County Alfalfa productivity and plateau characteristics in a gully region of the Loess Plateau Study on the Relationship between Soil Enzymes and Soil Fertilities of Temperate Desert Steppe under Different Grazing Intensities Variation of soil fertility in Eucalyptus robusta plantations after controlled burning in the red soil region and its ecological evaluation Effects of two years‘ incorporation of leguminous green manure on soil properties of a wheat field in dryland conditions Improving soil fertility with different multiple cropping patterns in upland red soil Characteristics of soil fertility under different vegetation types in the hilly red soil region of southern Hunan Soil fertility quality assessment under different vegetation restoration patterns Rhizosphere effect of nutrients in different maize soils with different fertility levels Mechanism of nutrient preservation and supply by soil and its regulation IV. Fertility regulation and improvement of brown earth type vegetable garden soil and their essence Mechanism of nutrient preservation and supply by soil and its regulation Ⅲ N preservation and supply by brown earth type vegetable garden soil Mechanism of nutrient preservation and supply by soil and its regulation Ⅱ Binding status of humus in brown earth type vegetable garden soils and its role in fertility Impact of soil erosion on soil fertility and land productivity Larch litter and soil fertility Soil improvement effect of different management models on low hills in the lower and middle reaches of Yangtze River A PRELIMINARY STUDY ON THE DIFFERENCE OF SOIL FERTILITY CHANGES BETWEEN PLANTING CHINESE FIR AND RECOVERING BROAD-LEAVED FOREST AFTER CLEAR CUTTING A STUDY ON THE LITTERFALL AND SOIL FERTILITY OF THE DIFFERENT PLANTED FORESTS IN GUANGXI Effects of different recover and restoration measures on plant diversity and soil fertility for serious degradation ecosystem Studies on Changes of Field - Vegetable Ecosystem under Long-term FixedFertilizer Experiment Variation of Soil Carbons and Fertilities in Larch Plantation Land, Clear-Cut Site and Farmland in NE China Effects of Long-Term Rice-Rice-Green Manure Cropping Rotation on Rice Yield and Soil Fertility Research progress of cover crop in Chinese orchard. Comprehensive Evaluation of Soil Fertility of Agroforestry Patterns of Ginkgo biloba A STUDY ON LONGTERM SOIL FERTILITY MONITORING FINDINGS IN NEWLY ESTABLISHED HIGHYIELD TIMBER PLANTATIONS OF MAIN SPECIES Effect of revegetation on soil extracellular enzyme activity in the dumping site of an open-pit coal mine in Heidaigou The ecological adaptability of Rambutan (Nephelium lappaceum L.) Changing of Eolian Soil Fertility in Central Taklimakan Desert Under Impact of Artificial Vegetation Characteristics of halophyte and associated soil along aggradational muddy coasts in Jiangsu Province The biodegradation of dissolved organic carbon and nitrogen in brown earth with different fertility levels Effects of  green manure in corporation on soil enzyme activitiesand fertility in tobacco-planting soils Responses of Fractal Feature of Soil Particle, Microbe and Enzyme Activity to De-farming Patterns of Slope Farmland in Southern Sichuan Province of China Studies on theMa in Causal Factors Affect Cinnam om um cam phorYellowing in Urban Condition Assessment of forest soil fertility using an integrated index based on the Nemerow meth Regression Analysis of Leaf Nutrition,Soil Fertility and Output in Bamboo Forest of Balance Fertilization Effect of Seedbed Soil Fertilizing for Mechanical Transplanting Rice Seedling Short term effect of applying organic materials in improving soil fertility of Weibei rainfed highland. Effects of different type urban forest plantations on soil fertility. Forest soil nitrogen content estimation using hyperspectra technology based on SVR algorithm EFFECT OF ORGANIC AND INORGANIC FERTILIZER APPLIEDTOGETHER ON N AND P ABSORPTION AND SOIL FERTILITY Analysis of soil nutrient characteristics under different land use patterns in the northern piedmont of Yinshan Mountain Green manure returning effect of Amaranthus hypochondriacus harvested at different times on soil fertility Correlation Between FDA Enzyme Activity and Soil Fertility Under Combining Application Organic and Nitrogen Fertilizer in Facility Vegetable Field Rice yields and nutrient uptake under different ploughing depths and fertilizations in white soil Study on index system for soil testing and formulated fertilization—A case study of rice of Jiangdu City in Jiangsu Province The effect of postponing nitrogen application on grain yield and the panicle-grain structure in mid-season hybrid rice in southwest China Effects of cropping patterns on rice yield and soil fertility Effect of soil fertility and long-term fertilizer application on the yields of wheat and maize in Fluvo-aquic soil Characteristics and evolution of soil nutrients in apple orchards at the gully region of Loess Plateau Status of soil fertility in citrus orchards of Chongqing Sanxia Reservoir Area A Preliminary Study On Intercropping Stylo and Other Crops With Mango at the Semi-arid Site of Hainan Effects of different ground clearance on soil fertility of Chinese fir stands