棉花是我们日常生活中的必需品,也是国家工业的重要原料。由于经济发展需求日急,在旧有的产量上已不能满足形势的要求,为了增产更多的工业原料,加速国家的工业化,中央农业部特提出提高单位面积产量,是农业增产的总方针。全国农业科学工作者及广大农民,围绕着提高单位面积产量的方针,曾进行了许许多多的技术改进,对于增产取得了很大的胜利,尤其是在全国 Cotton is a necessity in our daily life and an important raw material for the country’s industry. Due to the rapid economic development, the old output can no longer meet the demand of the situation. In order to increase the production of more industrial raw materials and accelerate the industrialization of the country, the Central Ministry of Agriculture proposed to increase the output per unit area as the general guideline for agricultural production. National agricultural scientists and the vast number of peasants have conducted many technological improvements around the policy of increasing output per unit area and have won great victories in boosting production, especially in the entire country