The nitrogen of applied different amounts has some effects on root yield, sugar content and sugar yield of sugar beet,the high root yield,sugar content and sugar yield were 35038kg/ha, 17.2% and 5073.0kg/ha respectively, when applied nitrogen 180 kg/ha.

• 氮素的不同用量对甜菜的块根产量、含糖率、产糖量均有一定影响。 通过试验得出；当甜菜施氮量达到180kg/hm2时；甜菜块根产量、含糖率、产糖量最高；分别为35038.；5kg/hm2、17