一、调查地区概况为了研究甜菜低产低糖的原因及综合治理技术措施,对于松花江地区的呼兰县及绥化地区肇东县的尚家公社进行了调查。呼兰县位于松花江北岸,全县总耕地面积为210万亩,甜菜种值面积约占总耕地面积的2.6％。从1978—1982年的资料看出,在最近五年中甜菜含糖率最高是1979年,其中最高的是双井公社甜菜含糖率为21.5％,最低是许卜公社为15.1％。甜菜含糖率最低的年份是 I. Survey of the Region In order to study the causes of low-yield and low-sugar beet and technical measures for comprehensive management, a survey was conducted on Shangjia commune in Hulan County in Songhua River and Zhaodong County in Suihua County. Hulan County is located in the north bank of the Songhua River, the county total area of ​​210 mu of cultivated land, beet species area accounting for about 2.6% of the total cultivated area. According to the data of 1978-1982, the highest sugar content of beet in 1979 was the highest in the recent five years. The highest sugar content of beet in Shuangjing commune was 21.5% and the lowest was 15.1% in Xu Bu commune. The lowest sugar beet year is