新品种经过品比、区试等一系列试验程序,又经审定通过后,便着手推广了。据考察,近年各育种单位提供的新品种,大多数是未经过完整的育种程序而推荐出来的。因此,对于新品种良种良法的配套,以及推广范围延伸到原区试地区以外地点的适应性等问题,都需要积累资料,作出判断;即使这些问题已经解决了,也还有个因地制宜地组装栽培 New varieties after the ratio, the district test and a series of test procedures, but also after the approval, they started to promote. According to the survey, most of the new varieties provided by various breeding units in recent years are recommended without a complete breeding program. Therefore, it is necessary to accumulate data and make judgments on the supporting measures for improving the good varieties of new breeds and on the adaptability of extension to areas outside the original district test. Even if these problems have been solved, there will be some measures such as assembling cultivation according to local conditions