nitrogen balance 第1页

Effects of different cultivation patterns on yield, nitrate accumulation and nitrogen balance in winter wheat and summer maize rotation system. Effects of non-flooded mulching cultivation and N rates on productivity and N utilization in rice-wheatcropping systems Effect of copper methionine on nutrient metabolism and serum physico-chemical parameters in Simmental steer Effect of ecological intensification nutrient management on the yield and nitrogen use efficiency of spring maize Effects of nitrogen application and irrigation on soil nitrate accumulation, nitrogen balance and use efficiency in summer maize Soil nitrogen balance in winter wheat and summer maize rotation system on dryland of Loess Plateau Effect of long term fertilizers and organic inputs on balance and fate of nitrogen in fluvo-aquic soil Carbon/Nitrogen Balance Associate with Drought induced Leaf Senescence in Maize (Zea mays) Seedling Fate and balance of bulk blending controlled release fertilizer nitrogen under continuous cropping of mustard. Effects of nitrogen fertilization and irrigation rate on grain yield, nitrate accumulation and nitrogen balance on sandy farmland in the marginal oasis in the middle of Heihe River basin Effects of nitrogen application on nitrogen balance and use efficiency and yield of summer maize in soil with high residual nitrogen Effects of Sucrose on the Activities of Enzymes Involved in Ammonium Assimilation in Roots of Rice Cultivated in Different Nitrogen Source Effects of grass mixture cultivated in light, moderate and serious alkali-saline grassland on rumen fermentation, feed digestibility and nitrogen balance in sheep Nitrogen balance of natural forest ecosystem in China Effects of reduced nitrogen application and soybean intercropping on nitrogen balance of sugarcane field. Effects of nitrogen fertilizer rate and ration of base and topdressing on yield of wheat, content of soil nitrate and nitrogen balance Nitrogen recommendation for dryland winter wheat by monitoring nitrate in 1 m soil and based on nitrogen balance Effects of nitrogen fertilization on potato tuber yield, N uptake and soil NO3--N accumulation under plastic cover with drip irrigation mmonia volatilization characteristics of different kinds of high-nitrogen compound fertilizers and their effects on nitrogen balance Effects of sulfur-and polymer-coated controlled releaseurea fertilizers on spatial-temporal variations of soil NO^-₃-N and nitrogen balance and nitrogen use efficiency Study  on the nitrogen rate threshhold of  maize yield and nitrogen balance in Shihezi, Xinjiang Nutrient absorption, translocation in rice and soil nitrogen
equilibrium under different nitrogen application doses THE NITROGEN FERTILIZER UTILIZATION AND NITROGEN BALANCE BY WINTER WHEAT IN SANDY SOIL Soil nitrogen balance in citrus orchards of the Three Gorges area in Chongqing