fertilizer use 第1页

Effects of nitrogen rate on nitrogen fertilizer use of winter wheat and content of soil nitrate-N under different fertility condition Dyanmics and residue of soil nitrate in summer maize field of North China A FIELD RESEARCH ON THE EFFECT OF WATER FERTILIZER COUPLING IN CHESTNUT SOIL Effect of different N rates on nutrient accumulation and nitrogen use efficiency in rainfed land Lanzhou lily Effects of fertilizer-N application for double early rice on the yield,nitrogen use efficiency and soil nitrogen content of double late rice Influence of combined application of green manure and inorganic fertilizerson cotton growth and fertilizer use efficiency in Huanghuaihai Area Response of super hybrid rice “Y Liangyou No. 1” to N-fertilizer dose and its N use efficiency Absorption and utilization of different nitrogen forms for sweet potato Study on the enhancement and mechanism of organic-inorganic compound fertilizer on inorganic fertilizer utilization III. Effect of potassium sulfate combined with organic material on maize yield and K fertilizer utilization 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 Different N Management Modes on Grain Yield and Quality as well as Fertilizer N Use Efficiency of Winter Wheat Effects of Wheat Residue Incorporation and Nitrogen Management Techniques on Formation of the Grain Yield of Rice Effect of combined nitrogen and phosphorus fertilizer application of wheat-maize intercropping system Effect of reducing fertilizer application on crop yield and nitrogen and phosphorus loss in runoff from embankment upland in Dongting Lake Region Effect of basal nitrogen fertilization time on nitrogen fertilizer use in flue-cured tobacco Effects of value added phosphate fertilizers on yield and phosphorus utilization of winter wheat Effect and mechanism of organic-inorganic compound fertilization on chemical fertilizer utilizationI. Effect of urea compounded with organic material on maize yield and fertilizer utilization Chemical fertilizer use and efficiency change of main grain crops in China Effects of drought stress on fertilizer use efficiency of rapeseed during wintering Effect of different furrow irrigation patterns on cotton nitrogen absorption and nitrogen fertilizer use Modeling the temporal-spatial patterns of atmospheric nitrogen deposition in China during 1961-2010 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 Effects of irrigation and phosphorus fertilization on alfalfa yield and water and fertilizer use efficiency Effects of value-added urea on wheat yield and N use efficiency and the distribution of residual N in soil profiles Fertilizer use and food security in China 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 Agronomic responses to nitrogen application and nitrogen utilization in rice fields Nitrogen balance in paddy fields under different rotation systems in the Taihu Lake Region Phosphorus loss and migration characteristics in paddy fields under different fertilization treatments Effects of long-term fertilization on nutrient variety of soil and plant systems in dry-land of Loess Plateau Effects of Nitrogen Management in Wheat Season on Matter Production and Nitrogen Use Efficiency in Winter Wheat–Summer Maize Rotation System