Study on parameters of balanced fertilization for winter wheat in cinnamon soil in Northern China The inter-annual characteristics of nitrogen recovery efficiency of double cropping rice system on paddy soil under long-term fertilization Effects of soil moisture before sowing and phosphorus fertilization on winter wheat yield, water and fertilizer use efficiencies on Weibei Tableland of the Loess Plateau Effects of Nitrogen Application on Yield Formation and the Nitrogen Absorption and Utilization of Super Rice Based on 15N-tracing Effects of water management patterns and nitrogen fertilizer levels on nitrogen use efficiency of rice Effects of long-term different fertilization on nitrogen recovery efficiency of maize in red soil Difference of nitrogen utilization and distribution of mineral nitrogen in soil profile by competitive abilities of intercropping systems Effect of N application on N utilization and N balance in spring maize Precise Postponing Nitrogen Application and Its Mechanism in Rice Effects of controlled release urea application on yield, nitrogen recoveryefficiency of rapeseed and soil inorganic nitrogen content Analysis of single rice nutrition utilization by TechnoGIN——A case study of single-rice in Pujiang County Fate and recovery efficiency of controlled release nitrogen fertilizer in flooding paddy soil