nitrogen use efficiency. 第1页

Effects of nitrogen management on yield, quality, nitrogen accumulation and its transportation of watermelon in gravelmulched field. Effects of phosphorus fertilization on yield of winter wheat and utilization of soil nitrogen. Effects of irrigation on nitrogen uptake and distribution of wheat using the 15N tracer technique Effects of planting density on  root spatiotemporal distribution and plant nitrogen use efficiency of winter wheat. Effects of tillage mode and nitrogen application rate on nitrogen use efficiency of wheat in a farming-pasture zone of North China.