nitrate-nitrogen 第1页

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 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 Dynamic variation of nitrate-nitrogen content in groundwater under two different agricultural cropping systems Nitrate contamination and source tracing from NO-3-δ15N in groundwater in Weifang, Shandong Province Spatial distribution of soil nitrogen in gully hillsides of Sejila Mountain, Southeastern Tibet Relationships between nitrogen application rate soil nitrate-nitrogen, plant nitrogen concentration and wheat scab