4.“四五”和“五五”时期(1971—1980年) 山西棉花生产又徘徊不前,年平均植棉而积为351.95万亩,单产仅19.7公斤,总产量为7,056万公斤,是建国以来的又一个低产阶段。1971年由于棉田过于分散,再加上管理不及时,亩产量仅18.8公斤。1972年运城地区增加了17万亩小麦,把17万亩棉田调到晋中、晋东南和忻州地区。由于思想和物质准备工作没有及时跟上,致使这三个地 4. During the “4 th 5 th” and “5 th” (1971-1980) periods, cotton production in Shanxi Province was stagnant. The average annual cotton production was 3.1195 million mu with a yield of 19.7 kg and a total output of 70.56 million kg Since the founding of another low-yield stage. In 1971, the cotton field was too scattered, coupled with the management is not timely, the mu yield was only 18.8 kg. In 1978, Yuncheng added 17 million mu of wheat and transferred 170,000 mu of cotton fields to Jinzhong, southeastern and Xinzhou areas. As the ideological and material preparations did not keep up in time, resulting in these three places