甜菜的营养特点与需肥规律罗文才，张云生，李文先（新疆农科院土肥所，乌鲁木齐，８３００００）甜菜是新疆的主要经济作物之一，自７０年代末，种植面积不断扩大，单产水平不断提高。为了给合理施肥，获得更高产量，改善品质提供依据，我们于１９８６－１９８８年进行了... Beet nutrition is one of the main cash crops in Xinjiang. Since the late 1970s, the planting area has been continuously expanding and the yield per unit area has been continuously increased . In order to provide a basis for rational fertilization, higher yield and quality improvement, we carried out in 1986-1988 ...