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一、导言甜菜是世界两大糖料作物之一。块根是制糖的原料,一般可以提炼出13～15％的白糖。甜菜茎叶、制糖后的废丝、废蜜,不但是家畜的良好饲料,还可以作化工原料,制造糠醛、人造纤维、酒精、酵母等。我省栽培甜菜已有四十多年的历史。最初,曾引进荷兰、苏联、美国品种试种,1949年面积达到8300多亩。建国后种植面积不断增加,1958年为7.5万亩,1977年为19.96万亩。主要分布在武威、张掖(河西产
First, the introduction Beet is one of the world’s two major sugar crops. Roots are sugar raw materials, can generally extract 13 to 15% of sugar. Beet stems and leaves, waste sugar after sugar, waste honey, not only a good feed for livestock, but also for chemical raw materials, manufacturing furfural, man-made fibers, alcohol, yeast and so on. Our province has cultivated sugar beet for more than 40 years. Initially, the Netherlands, the Soviet Union and the United States have been introduced for trial planting. In 1949, the area reached 8300 mu. After the founding of the Republic of China, the area under cultivation increased continuously, reaching 75,000 mu in 1958 and 199,600 mu in 1977. Mainly distributed in Wuwei, Zhangye (Hexi production