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张掖地区种植甜菜大约有四十年的历史六十年代至八十年代主要为黄羊糖厂提供原料,且面积少产量低。自1987年建成日处理甜菜1500吨的张掖糖厂后,甜菜生产迅速发展。但是由于生产水平不高,甜菜栽培技术尚无普及,甜菜面积过于集中,轮作倒茬困难,病虫危害严重,甜菜单产和含糖低,总产不稳,不能满足糖厂生产需要。1987年只
About 40 years of beet cultivation in Zhangye Prefecture From the 1960s to the 1980s, raw materials for the Yellow Goose Sugar Mill were mainly supplied, with less area and less output. Sugar beet production has grown rapidly since it was built in Zhangye Sugar Factory which processed 1,500 tons beets in 1987. However, due to the low level of production, the technology of beet cultivation has not yet been popularized, the area of beet is too concentrated, the rotation of stubble is difficult, the pests and diseases are seriously endangered, the yields of sugar beet and sugar are low, the total output is not stable, and the production needs of sugar beet are not satisfied. 1987 only