目前,在苏联南部地区利用露地越冬方法大面积繁殖甜菜种子。 1973—1980年苏联在乌克兰南部地区进行的生产试验证明了利用这种方法的前途。结果表明:全苏甜菜科学研究所研究制定的露地越冬法的栽培技术,可以保证 Beet seeds are currently used for large-scale breeding in the southern part of the Soviet Union by means of open-air wintering. The production test conducted by the Soviet Union in southern Ukraine from 1973-1980 proved the future of using this method. The results showed that: All-Suet beet Institute of Science and Technology developed by the overwintering law of cultivation techniques, can guarantee