[1]Key Laboratory of Plant Nutrition and Fertilizer;
Ministry of Agriculture/Institute of Agricultural Resources and Regional Planning;
Chinese Academy of Agricultural Sciences;
Beijing 100081;
P.R.China;
[2]Soil and Fertilizer Institute;
Qinghai Academy of Agriculture and Forestry Sciences;
Qinghai University;
Xining 810016;
P.R. China;
[3]College of Resources and Environmental Sciences;
Hunan Agricultural University;
Changsha 410128;
P.R.China;
[4]Faculty of Agriculture;
Kagoshima University;
Kagoshima 890-0065;
Japan;
氮素利用效率; 玉米产量; 中国北方; 管理系统; 化学肥料; 二月兰; 春玉米; 应用;