包膜尿素不同配比减施对土壤无机氮含量及玉米氮素吸收的影响
冯小杰,战秀梅(),王雪鑫,陈坤,彭靖,韩晓日
Effects of Soil Inorganic Nitrogen and Nitrogen Absorbing by Maize Under the Reduced Application of Coated Urea at Different Proportions
FENG XiaoJie,ZHAN XiuMei(),WANG XueXin,CHEN Kun,PENG Jing,HAN XiaoRi

图6. 包膜尿素与普通尿素配比在经济效益、氮肥利用率和玉米产量上的拟合曲线

Fig. 6. Fitting curves of different ratios with resin coated urea on economic benefit, nitrogen fertilizer utilization rate and maize yield