oil fertility 第2页

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 SOIL FERTILITY AND SPECIES IDENTITY CONTROL COMMUNITY PRODUCTIVITY IN AN EXPERIMENTAL PLANT COMMUNITY IN AN AREA OF SUBALPINE MEADOW Nicotine accumulation and distribution in tobacco under continuous cropping Soil fertility in tea plantations in different slope positions and elevation regions Effect of different fertilization systems on soil phosphorus fertility and crop yield Comparison of impacts of invasive weed, Ambrosia artemisiifolia, and native weed, Digitaria chinensis, on soil enzyme activity and fertility Effect of ecological factors on the quality of Ziziphus jujuba Mill. cv.“Dongzao” fruit Impact of incorporation of rice straw into the soil on soil fertility and yield Forest soil nitrogen content estimation using hyperspectra technology based on SVR algorithm Temporal-spatial varibility of soil fertility and its affecting factors of varability in Karst region: a case study of Xiaojiang watershed,Yunnan Province Effects of long-term application of fertilizer on wheat nutrient uptake and soil fertility in Loess Plateau Effect of long-term located organic-inorganic fertilizer application on fluvo-aquic soil fertility and crop yield Changes of fertility of cultivated land in Lingdong black soil zone of Hulunbuir city The evolution and evaluation of orchard soil fertility in red earth regions of Guangxi Application of ecological risk analysis on soil fertility evaluation in farmlands Correlation Between FDA Enzyme Activity and Soil Fertility Under Combining Application Organic and Nitrogen Fertilizer in Facility Vegetable Field Influence of Rotation on Continuous Cropping Soil Environment and Cucumber Yield Effects of Fertilization on Soil Enzyme Activities and Its Role in Adjusting-Controlling Soil Fertility of Young Azadirachta indica A.Juss.Plantations Variation of Soil Properties of Chinese Fir plantation PCA on the Soil Degradation of the Successive Chinese Fir Plantation Effect of Long term Management of Pure Phyllostachys pubescens Stands on Soil Fertility STUDY ON THE GROWTH OF MIXED STANDS OF PlNUS MASSONlANA AND LlQUlDAMBAR FORMOSANA AND ITS ECOLOGICAL BENEFITS STUDY ON CORRELATION BETWEEN SOIL FERTILITY AND BAMBOO GROWTH AND LEAVES NUTRIENT STUDY ON STAND PRODUCTIVITY AND SOIL FERTILITY UNDER THE　MANAGEMENT PATTERN OF PLANTING CHINESE FIR WITH　KEEPING BROAD-LEAVED TREES A STUDY ON STAND DENSITY MANAGEMENT AND LONG-TERM PRODUCTIVE OF CHINESE FIR (CUNNINGHAMIA LANCEOLATA) PLANTATION A STUDY OF IMPACTS ON SOIL FERTILITY BY ESTABLISHMENT OF INTENSIVELY MANAGED PLANTATION ON A LARGE SCALE A Preliminary Study On Intercropping Stylo and Other Crops With Mango at the Semi-arid Site of Hainan Effects of different de-farming and reafforestation patterns on changes of soil fertility quality in karst region of southwestern China 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. Effects of pig manure and oxytetracycline on microbial number and activity in soils with different fertility levels Mechanism of nutrient preservation and supply by soil and its regulation I. P-preservation and supply by brown earth type vegetable garden soil Influence of thinning on soil fertility in artificial forests Effect of soil fertility on chestnut stem diseases Characteristics of soil fertility in alpine steppes at different degradation grades Relationship between plant diversity and soil fertility in Napahai wetland of Northwestern Yunnan Plateau Effect of different green manure application on soil fertility Application of 3414 field trial design for establishing soil testing and fertilizer recommendation index Effects of application of different organic materials on soil microbiological properties and soil fertility in Weibei rainfed highland Influences of consecutive 13-year long-term fertilization on yields of rice and wheat and soil fertility in Xihu Plain Change of soil fertility indices and crop yield of cinnamon soil and its affecting factors Assessment of forest soil fertility using an integrated index based on the Nemerow meth Comprehensive Evaluation of Soil Fertility after Transformation of the Low-Quality Forest in the Daxing’anling Mountains 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 Study on Establishment of Improved Pasture through Sheep Camping 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 Primary Study on the Soil Urease Activity in Three Main Plant Communities in the Songnen Meadow 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 Study on Planting Patterns About Wheat Inter-cropping and Multiple Croppingof Leguminous Crops in Gansu Hexi Oasis Irrigation Area Research on the application of natural ecological restoration in a typical region of China with red soils 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 Impact of Growth and Development Characters of Chinese Firand Its Plantation on the Long-term Site Productivity Integrated Evaluation of Soil Chemical and Biochemical Fertility under Different Vegetations