伟大领袖毛主席教导我们:“推广优良品种。有了优良品种,即不增加劳动力、肥料,也可获得较多的收成。”解放以来,我区进行了三次大面积的品种更换,使棉花产量和纤维品质都有显著提高。 第一次棉花品种更换,是在一九五○年至一九五五年,北疆玛纳斯河流域一带推广了早熟品种司3173,南疆各地推广了中熟品种史乃得尔,吐鲁番地区推广了大铃、高衣 Great leader Chairman Mao taught us: “Promote fine varieties. With excellent varieties, that is, without increasing labor, fertilizer, but also get more harvest.” Since liberation, my area has conducted three large-scale replacement of species, so that cotton production And fiber quality have significantly increased. The first change of cotton varieties was promoted in early 1950s to 1959 in the area of ​​the Manas River Basin in the north of the country, with 3173 varieties of early-maturing varieties, and the promotion of medium-maturing varieties Shi Nai Er, Turpan region Promote a large bell, high clothing