In proper range of nitrogen level,the yield and biomass of Chinese Kale increased with the increasing of nitrogen level,but when nitrogen level(exceed) 1*N,the yield was not affected significantly with the increasing of nitrogen level.

• 结果表明:在一定施氮范围内,芥蓝单株经济产量和生物产量都随着施氮量的增加不断提高,当施氮水平达到1*N以上时,施氮量的增加对芥蓝产量无明显影响。