Characteristics of nitrogen leaching of rice-wheat rotation field in Taihu Lake area Effects of reduced nitrogen application and soybean intercropping on nitrogen balance of sugarcane field. Soil nitrate leaching and control methods in the piedmont of North China Plain Effects of different water and nitrogen amounts on nitrate leaching in sunlight greenhouse during cucumber growing season Leaching and transport of nitrate in vegetable production systems in Suburbs of Wuhan Simulation and analysis of water balance and nitrogen leaching using Hydrus-1D under winter wheat crop RZWQM simulation of nitrogen transport and loss under winter wheat/ summer maize rotation system in the North China Plain Measurement and simulation of nitrogen leaching loss in hillslope cropland of purple soil Nitrate loss simulated with DNDC model and control technologies in typical cropland of North China Effect of palygorskite coating on various forms of nitrogen urea ATMOSPHERIC NITROGEN DEPOSITION AND NITROGEN DYNAMICS OF FOREST ECOSYSTEMS Effect of rotation patterns on nitrogen leaching loss from protected vegetable soil in Tai Lake region Effects of combined application of organic manure and chemical fertilizers on soil nitrogen availability and movement under water and fertilizer saving management in cucumbertomato double cropping system