一、播前准备1.选地施肥选择土壤肥力中等、土层深厚、结构良好、具有便利灌溉条件的土地。凡是收获时间较早、能及时进行秋耕的作物都是甜菜的好前茬。甜菜应与小麦、油菜、豆类、苜蓿、玉米等作物实行4～5年的轮作。甜菜产量高,需肥量大,每667米2施有机肥2～3吨、磷酸 A preparation before sowing 1. Selection of fertilizers Select soil fertility medium, deep soil, good structure, with convenient irrigation conditions of the land. All harvest time earlier, can be timely autumn crop of sugar beet is a good pre-crop. Beets should be crop rotation with wheat, rape, beans, alfalfa, corn and other crops for 4 to 5 years. Beet yield is high, requiring a large amount of fertilizer, applying 2 to 3 tons of organic fertilizer per 667 m 2 of phosphoric acid