nitrate-N 第1页

Effect of Nitrogen Application Level on Nitrogen Use Efficiency in Wheat and Soil Nitrate-N Content under Bed Planting Condition Simulation and prediction of nitrate-nitrogen leaching from soils under the growth period of winter wheat using transfer function model 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 Effects of N fertilization on winter wheat grain yield and its crude protein content and apparent N losses Spatial distribution of soil nitrogen in gully hillsides of Sejila Mountain, Southeastern Tibet Effect of long-term fertilizer application on yield, nitrogen uptake and soil NO3--N accumulation in wheat/maize intercropping Real-time nitrogen management for spring maize using the soil nitrate-N test On the nitrate-N accumulated characteristics in deep soil layer of winter wheat field in Taihang Piedmont Experimental study on nitrogen leaching in a direct-seeding rice paddy of Taihu Lake Basin Effects of NO3- on respiratory rate and enzyme activities of roots of sweet cherry under waterlogging conditions Nitrate contamination and source tracing from NO-3-δ15N in groundwater in Weifang, Shandong Province Effect of intercropping three legume crops with maize on soil nitrate-N accumulation and distribution in the soil profile Relationships between nitrogen application rate soil nitrate-nitrogen, plant nitrogen concentration and wheat scab Effects of mulching and fertilization on maize yield, soil temperature and nitrate-N distribution Characteristics of Absorbing Ammonium and Nitrate Nitrogen of Six Crops at Different Growth Stages Effects of long term plant Medicago sativa Linn. on soil nitrogen nutrient Effects of nitrogen rate on nitrogen fertilizer use of winter wheat and content of soil nitrate-N under different fertility condition Influence of nitrate reduction in leaf blades on nitrate-N concentration in petioles of spinach Effects of molybdenum on nitrate metabolism of winter wheat Interactive effects of irrigation and nitrogen fertilizer on nitrogen fertilizer recovery and nitrate-N movement across soil profile in a winter wheat field Dynamic variation of nitrate-nitrogen content in groundwater under two different agricultural cropping systems