nitrogen fertilizer use 第1页

Effect of different furrow irrigation patterns on cotton nitrogen absorption and nitrogen fertilizer use Effects of fertilizer-N application for double early rice on the yield,nitrogen use efficiency and soil nitrogen content of double late rice Effects of Wheat Residue Incorporation and Nitrogen Management Techniques on Formation of the Grain Yield of Rice Effect of different N rates on nutrient accumulation and nitrogen use efficiency in rainfed land Lanzhou lily Dyanmics and residue of soil nitrate in summer maize field of North China Absorption and utilization of different nitrogen forms for sweet potato Suitable nitrogen fertilization mode for high yield and quality and high N use efficiency in high density direct-sown rapeseed(Brassica napus L.) Effects of nitrogen rate on nitrogen fertilizer use of winter wheat and content of soil nitrate-N under different fertility condition Effect of basal nitrogen fertilization time on nitrogen fertilizer use in flue-cured tobacco 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 Effects of excessive nitrogen fertilization on soil organic carbon and nitrogen and nitrogen supply capacity in dryland