关中棉区立秋以后,是棉花经济产量形成的主要阶段。伏前桃和早伏桃的纤维逐渐伸长、加厚;大量伏桃和早秋桃继续增大,渐趋成熟。其间气候条件对棉铃发育和产量、品质影响很大,是造成棉花单产低而不 Guanzhong cotton area after the fall, is the main stage of the formation of cotton economic output. V Peach and as early as V Peach fiber gradually elongated, thickened; a large number of peach and early autumn peach continue to increase, gradually maturing. During which climatic conditions have a great impact on boll development and yield and quality, which results in low cotton yield