Effects of reduced nitrogen application and sugarcane-soybean intercropping on carbon balance in sugarcane fields Effects of sugarcane-soybean intercropping on cane yield, quality and economic benefit under low nitrogen condition. Effects of reduced nitrogen application and soybean intercropping on nitrogen balance of sugarcane field. Effects of Sugarcane-Soybean Intercropping and Reduced Nitrogen Application on Yield and Major Agronomic Traits of Sugarcane Effect of sugarcane//soybean intercropping and reduced nitrogen rates on sugarcane yield, plant and soil nitrogen