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目前棉花生长已接近成熟时期,除做好棉田后期管理保座秋桃外,为了给来年棉花更大丰收准备优良品种和种子,同时,供给纺织工业以品级优良的原棉,应该抓紧做好棉花田间选种和采收工作。一、棉花的田间选种棉花田间选种因目的不同其作法二:(一)良种保纯与提高:任何一个优良的作物品种,引种后如不进行选种留种工作,质
At present, the growth of cotton is nearing maturity. In addition to managing the autumn peach in the latter part of the cotton field, in order to prepare fine varieties and seeds for greater cotton harvest in the coming year and to supply the textile industry with good quality raw cotton, we should pay close attention to cotton fields Seed selection and harvesting work. First, the field of cotton cotton seed selection field for different purposes for its practice two: (A) seed purity and improve: Any one of the fine varieties of crops, after the introduction of seed selection if you do not kind of work, quality