Reactive nitrogen loss pathways and their effective factors in paddy field in southern China. Effects of long-term different fertilizations on biomass and nutrient content of maize root. Effects of nitrogen application rates on apparent soil nitrogen surplus of late sowing wheat with straw returning in ricewheat rotation. Effects of nitrogen application rate on light-response curves of flag leaves in super-high yielding winter wheat at grain filling stage Effect of K application rate on yield and K use efficiency of buckwheat Effects of nitrogen application on nitrogen balance and use efficiency and yield of summer maize in soil with high residual nitrogen Effects of Nitrogen Application Rate on Water Consumption Characteristics and Grain Yield in Rainfed Wheat Effects of nitrogen application rates on nitrogen uptake and utilization of direct-seeded cotton after wheat harvest. Effects of Nitrogen Application on the Forage Dry Matter Yield and Quality of Alfalfa with Seasonal Cultivation