Effects of nitrogen fertilizer levels and application stages on nitrogen utilization of strip-relay-intercropping wheat in Sichuan Hilly Areas Effect of nitrogen fertilizer managements on rice yield and nitrogen uptake in medium and low yield fields under the conditions of straw turnover The appropriate mixing ratio of control-released urea and common urea in winter wheat production Effects of value-added urea on wheat yield and N use efficiency and the distribution of residual N in soil profiles Effects of combined application of biological organic fertilizer and inorganic compound fertilizer on the tobacco profit and nitrogen use efficiency Optimal nitrogen application rates on rice grain yield and nitrogen use efficiency in high,  middle and low-yield paddy fields Fertilizer use and food security in China  Effects of N, P and K Fertilizers on yield and fertilizer efficiency of oil sunflower Effect of shading on nitrogen accumulation and translocation of winter wheat with different spike types using 15N tracer technique Effects of potassium application rate on yield and potassium use efficiency of summer maize under high yield conditions Study on the enhancement and mechanism of organic-inorganic compound fertilization on inorganic fertilizer utilization II. Effects of ammonium phosphate combined with organic material on The Absorption, Utilization and Distribution of Nitrate 15N and Ammonium 15N in Populus Tomentosa Seedlings Effects of Nitrogen Management Patterns on Grain Yield, Solar Radiant Use Efficiency in Super Hybrid Rice EFFECTS OF RIDGE CULTURE ON GRAIN YIELD AND WATER USE EFFICIENCY OF WINTER WHEAT AND SUMMER MAIZE EFFECT OF MICROBIAL FERTILIZER ON YIELD AND NITROGEN USE EFFICIENCY IN RICE CROP YIELD AND WATER USE EFFICIENCY UNDER LONG-TERM FERTILIZATION
IN LOESS PLATEAU
Effect of Tillage Practice on Nitrogen Use Efficiency of Wheat in the Farming-pasture Zone Effects of long-term fertilization on nutrient variety of soil and plant systems in dry-land of Loess Plateau Effect of coated compound fertilizer on yield,nitrogen use efficiency and soil available nitrogen in summer maize Effect of drip nitrogen fertigation on growth of maize Biological characteristics of nitrogen efficient maize genotypes Genotypic variation in nitrogen use efficiency in summer maize Effects of nitrogen forms and water stress on photosynthesis and water use efficiency of rice at seeding-tillering stage Effects of nitrogen nutrition on summer maize water use efficiency under different status of soil moisture Effects of Silicon on water use efficiency in sunflower with solution culture The study of spring wheat root function efficiency under water stress conditions Effect of fertigation depth on dry matter partition and water use efficiency of corn Compensation effectsof planting density and fertilization on grain yield,water use efficiency and seedsnutrient contents of dry land spring wheat Unsufficient irrigation and its physiological bases Partial rootzone irrigation:its physiological consequencesand impact on water use efficiency Study on the photosynthetic physiological characteristics of Panicum virgatum in Loess Hilly-gully Region The responses and their physio-ecological bases of spring wheat to limited irrigation in Loess Plateau Water Use Efficiency Difference among Four Poplar Clones and Its Physiological Mechanism THE SUITABLE SOIL MOISTURE CONDITION FOR FOREST GROWTH IN CATCHMENT AFFORESTATION IN SEMI-ARID REGION ON LOESS PLATEAUS RESPONESE OF SABINA VULGARIS TO NUTRIENT RESOURCES IN THE CONTRASTING HABITATS IN THE MU US SANDLAND Comparison of Gas Exchange Traits of 30 Plant Species in Subalpine Meadow in Foping National Reserve of Qinling Mountains Study on the Ecological Functions of Sixty-five Garden Species in Wuhan City, China Effect of phosphorus level on phosphorus absorption and utilization of different genotype maize seedlings Effects of fertilizer-N application for double early rice on the yield,nitrogen use efficiency and soil nitrogen content of double late rice Effect of nitrogen fertilizer on grain yield,quality and water use efficiency of corn in dryland of Loess Plateau Differences in zinc uptake and use efficiency between different aerobic rice accessions Effects of NDSA fertilization on the N uptake,yield and quality of celery Effects of low rate nitrogen application on Brassica chinensis growth and Nlosses Effects of controlled release fertilizer on rice yield and nitrogen use efficiency Study on N use efficiency of chinese cabbage and nitrate leaching under open field cultivation Genotype differences on nitrogen use efficiency among maize hybrids Effect of Water Conditions on Carbon Isotope Composition, Photosynthesis and Branch Growth of Reaumuria soongorica Application of stable isotope technique in the study of plant water use Effects of water deficit on yield and yield components of cotton Effect of applying controlled release nitrogen fertilizer on yield enhancement of winter wheat Effects of nitrogen nutrition on the physiological characteristics of wheat colony in dryland Effects of sprinkler irrigation on the field mieroclimate Effects and mechanism of fertilization under drought Physioecological characteristics of three species of pine Stomatal resistance of maize leaf and its relationship with photosynthesis and transpiration under different field conditions Optimized Pattern of agriculture-animal husbandry combination in Songnen Plain of Northeast China THE STUDY ON EFFECT OF ZEOLITE ON NITROGEN USE EFFICIENCY OF CORN BY ~(15)N-ISOTOPE DILUTION METHOD NITROGEN UPTAKE AND FERTILIZER NITROGEN USE EFFICIENCY OF WHEAT UNDER DIFFERENT SOIL WATER CONDITIONS THE EFFECTS OF SOIL WATER CONDITIONS ON NITROGEN FERTILIZATION USE EFFICIENCY Analyzing and Evaluating the Salt Tolerance of Four Kinds of Birch Seedlings. Epidermis Wax Content and Drought Resistance among Different Tall Fescue (Festuca arundinacea Schreb. ) Varieties Characteristics of Photosynthesis, Respiration and Water Utility of Four Tree Species of Natural Secondary Shrubs in a Semi-arid Loess Hilly-gully Region Technique of Plastic Micro Catchment and PromoteInfiltration for Economic Forest on Loess Plateau Studies on the Energy and Material Use Efficiency of Cultivated Grassland and Farmland Ecosystem in the Hilly Regions of Southern China A Study comparing Water Use Efficiency and Root/Shoot Ratio of Alfalfa and Astragalus adsurgens at Seedling Stage The water consumption and water use efficiency of the seedlings of Eucalyptus grandis and other five tree species in Sichuan Province Studies on gas exchange of Tamarix ramosissima Lbd. Dyanmics and residue of soil nitrate in summer maize field of North China 灌溉与施氮对黑河中游新垦农田土壤硝态氮积累及氮素利用率的影响 Effect of population distribution on yield and water use efficiency in summer soybean The photosynthetic and water physiological characteristics of Populus euphratica and Populus pruinosa in the upper reaches of Tarim River Satellite-based modelling light use efficiency of alpine meadow along an altitudinal gradient Preliminary Study on Physiological and Biochemical Indices Related to Nitrogen Use Efficiency in Tea Plant [Camellia sinensis (L.) O. Kuntze] Effects of Different N Management Modes on Grain Yield and Quality as well as Fertilizer N Use Efficiency of Winter Wheat Effects of Transplanting Density and Nitrogen Fertilizer on Yield Formation and N Absorption in a Two-line Intersubspecific Hybrid Rice “Liangyoupeijiu” Effects of Soil Moisture on Radiation Utilization during Late Growth Stages and Water Use Efficiency of Winter Wheat Genotype Differences of Fertilizer-Nitrogen Use Efficiency in Waxy Corn Characteristics of Dry Matter Accumulation and Distribution in Conventional indica Rice Cultivars with Different Nitrogen Use Efficiency for Grain Output Main Index of Source and Sink in Nitrogen Use Efficiency for Grain Output in Conventional Indica Rice Cultivars Effects of Wheat Residue Incorporation and Nitrogen Management Techniques on Formation of the Grain Yield of Rice