Institute of Crops Key Laboratory of Oil Crops Jiangxi Academy of Agricultural Sciences Nanchang ChinaOilseed Crops Institute/National Oil Crops Improvement Center Hunan Agricultural University Changsha China;
Oilseed Crops Institute/National Oil Crops Improvement Center Hunan Agricultural University Changsha China;
Oilseed Crops Institute/National Oil Crops Improvement Center Hunan Agricultural University Changsha China;
Brassica napus L.; Nitrogen nutrition efficiency; Germplasm; Evaluation;