oil fertility 第3页

Study on the Biomass and Soil Fertility of Pure and Mixed Stands of Cunninghamia lanceolata,Liriodendron chinense and Sassafras tsumu Effects of different ground clearance on soil fertility of Chinese fir stands Roles of calcium in stress-tolerance of plants and its ecological significance Relationship between plant community succession and fertility variation of mountain yellow soil in east Chongqing Effect of long-term fertilization on crop yield and soil fertility of upland red soil Microbial characteristics of straw-amended degraded soils in central Tibet and its effect on soil fertility Effect of atrazine on urease activity in soils with different fertility Secondary succession of earthworm population in high production agro-ecosystem in North China The Water Holding Capacity and Soil Fertility in the Mixed Forest of Cunninghamia lanceolata and Altingia gracilides 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 A preliminary study on the relationship between soil urease activity and soil fertility in the grazing grasslands of Yongchang county, Gansu province Study on the Relationship between Soil Enzymes and Soil Fertilities of Temperate Desert Steppe under Different Grazing Intensities Effects of the action of human being on physiologic and ecological characteristics of Platydadus orientalis in Huangdi tomb Variation of Soil Carbons and Fertilities in Larch Plantation Land, Clear-Cut Site and Farmland in NE China Research progress of cover crop in Chinese orchard. Element Distribution and its Relationship with Soil Fertility in Different Succession Stages of a Mangrove Community in Yingluo Bay, Guangxi Community Dynamics During the Process of Vegetation Restoration on Nan’Ao Island, Guangdong Effect of revegetation on soil extracellular enzyme activity in the dumping site of an open-pit coal mine in Heidaigou Spatial pattern of soil fertility |in Bashan tea garden: A prediction based on environmental auxiliary variables. Effects of different long-term fertilization patterns on Fuji apple yield, quality, and soil fertility on Weibei Dryland, Shaanxi Province of Northwest China. Effects of Bt corn straw decomposition on soil enzyme activities and soil fertility Effects of different rice-crab production modes on soil labile organic carbon and enzyme activities Soil microbial biomass and the influencing factors under Pinus tabulaeformis and Picea asperata plantations in the upper Minjiang River Seasonal variation of soil nitrogen pools and microbes under natural evergreen broadleaved forest and its artificial regeneration forests in Southern Sichuan Province, China EFFECT OF ORGANIC AND INORGANIC FERTILIZER APPLIEDTOGETHER ON N AND P ABSORPTION AND SOIL FERTILITY Alfalfa productivity and plateau characteristics in a gully region of the Loess Plateau Variation of soil fertility in Eucalyptus robusta plantations after controlled burning in the red soil region and its ecological evaluation Study on the Soil Fertility Changes in Planting Base to Develop the Special Fertilizer for Cultivation of Chrysanthemum morifolium Effects of Long-Term Rice-Rice-Green Manure Cropping Rotation on Rice Yield and Soil Fertility Studies on microflora in several types of paddy soils in Hunan Province Effect of long-term conservation tillage on soil fertility in rain-fed areas of the Loess Plateau 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 Effects of Different Rice-Crab Production Modes on Organo-Mineral Complex Status in Soil Soil Fertility Numerical Value Comprehensive Evaluation of Different Rotation System under the Long-term Positioning Conditions STUDIES ON SPATIAL VARIABILITY OF CONTENTS OF PETROLEUM ETHER EXTRACTS FROM FLUE-CURED TOBACCO LEAVES AND SOIL FERTILITY FACTORS IN TOBACCO PLANNING FIELDS IN CENTRAL HENAN PROVINCE Study on the relationships between soil enzyme activities and soil fertility
in Zhifanggou Watershed Effects of different amount of maize straw returning on soil fertility and yield of winter wheat Effects of long-term green manure application on rice yield and soil nutrients in paddy soils Characteristics of dry matter accumulation and N, P and K assimilations of trelliscultivated melon under different fertility rates Evolution characteristics of soil nutrients in the main rice production regions, the middle-lower reach of Yangtze River of China A Comparison on Soil Fertilities of Chinese Fir Plantations of Different Generations Study on Relationships between Biomasses of Present Secondary Plant Community and Soil Fertility Conditions in Loess Plateau Influence of Rubber Plantation Intercropping with Amomum villosum or Coffee on Soil Fertility Soil Enzyme Activity and Soil Fertility in Cunninghamia lanceolata Plantation The Relationship between Forest Soil Properties and Fertility in the Eastern Side of Dagang Mountain, Jiangxi Province Plantation Fertilization-Basic Technical Measures for Short-Rotation Industrial Plantation Management GIS-based soil fertility evaluation——a case study in Changchun suburb area Comprehensive evaluation of cultivated black soil fertility Effects of long-term fertilization on soil microorganism and its role in adjusting and controlling soil fertility STUDY ON THE EFFECT OF DIFFERENT SOIL WATER CONTENTAND SOIL FERTILITY CONDITIONS ON THE.PHOTOSYNIHETICCONDVCTANCE AND YIELD OF SPRING CORN Effect of fertilizing structure on the change of organic matter and N,P and K nutrients in sand soil Economic Benefits of Combination of Farming with Animal Husbandary and Its Effects on Soil Fertility Influencing mechanism of several shrubs and subshrubs on soil fertility in Keerqin sandy land Effect of returning corn straw into soil on soil fertility Influence of rare earth elements on chemical transformation of nitrogen in agricultural soil Phenolic acid degradation fungi screened from successive plantation site of Chinese fir Effects of Eupatorium adenophorum Sprengel invasion on Soil Enzyme Activities and Physical and Chemical Factors Effect of Mulching Greenery Waste on Soil Fertility of Municipal Forest Land from Shanghai An Investigation of the Effects of Environmental Factors on the Flowering and Seed Setting of Mikania micrantha H.B.K (Compositae) RELATIONSHIP BETWEEN PLANT COMMUNITY SECONDARY SUCCESSION AND SOIL FERTILITY IN TIANTONG,ZHEJIANG PROVINCE Fractal Features of Soil Clusters Under Some Precious Hardwood Stands in the Central Subtropical Region,China The Relationship Between Biodiversity and Soil Fertility Chara-cteristics on Abandoned Fields in the Tropical Region of Southern China 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 Effects of a long-term located fertilization on the fertility and productivity of Shajiang Black Soil Soil fertility characteristics of litchi orchard and integrated effects of specialized fertilizers Effect of a long-term organic fertilization on wheat yield and soil fertility on Loess Plateau Effects of long-term located fertilization on wheat growth in shajiang black soil Techniques of assembling fertilization for maize in black soil area Dynamics of Soil Organic Carbon and Nutrient Contents Under Long Term Organic Amendments in Fluvo-aquic Soil Region North China Study on the taxonomy about the types of site conditions of Cornus officinalis in Qinling Mountain area Soil fertility evaluation of planted forest land on the hilly-gullied Loess Plateau Effects of soil fertility on protein components content and processing quality in wheat kernel A study on the nutrient value of oat and its influences on soil fertility of winter fallow fields Study on relationship between soil enzyme and soil fertility of alpinemeadow in different carrying capacities Soil fertility characteristics under different land use patterns in depressions between karst hills.