【作者】 王孝纲； 别墅； 张教海； 夏松波；

【Author】 WANG Xiao-gang, BIE Shu, ZHANG Jiao-hai, XIA Song-bo

【机构】 湖北省农科院作物育种栽培研究所；

【摘要】 680户棉农的生产景气调查表明,2003年棉花单产下降17.90%,总产基本持平,成铃数的减少对单产的影响最大,其次是单铃重的下降,衣分率的影响较小。棉花价格上涨68.42%,棉田经济效益增加3985.19元·hm^-2;异常的灾害性气候导致棉花单产和生产品质明显下降。更多还原

【Abstract】 The productive prosperity investigation of 680 cotton peasants indicates: In 2003, the yield hectare of the cottons decreased by 17.9%, the gross production keeps even basically. The reduction of the mature boll numbers is a primary factor for the influence on the yield descent. The descent of the single boll weight affects it less, and lint percent least. The price of the cotton soars 68.4%, and the economic benefit of the cotton increases 3985.19 yuan per hectare. But the abnormally disastrous climate causes the obvious descent of the cottons’ output hectare and quality.更多还原