农作物良种是农业增产的内在因素,是农业生产中其他措施不可代替的重要生产资料。目前,广大农民为了提高种植粮、棉、油的经济效益,对优良品种的需求热情空前高涨,各地不断加大对农业的科技投入,引进推广名、特、新、优农作物品种,加快农作物品种的更新更换,使育种成果尽快转化为生产力,扩大优种入户率,促进了农业增产增收。各地在取得新品种引进推广工作经验的同时,也得到了不少深刻 Crop seed is an inherent factor in increasing agricultural output and is an important means of production that can not be replaced by other measures in agricultural production. At present, in order to increase the economic benefits of growing grain, cotton and oil, the vast majority of peasants have enjoyed unprecedented enthusiasm in demand for fine varieties. Various localities have continuously increased their investment in science and technology in agriculture and introduced and promoted varieties of crops of special, special, new and superior quality to speed up crop varieties Of the replacement and replacement, so that the breeding results as soon as possible into productivity, increase the excellent seed rate, and promote agricultural production increase. While getting new experience in promoting the introduction of new varieties, it also got a lot of profound achievements