农作物品种区域试验是测定优良品种增产效果和适应地区的重要手段,是新品种从选育、引进到生产利用不可缺少的中间环节,也是新品种审定推广的科学依据。它对实现品种布局区域化,建立健全种子繁育体系,确定合理的种子流向,实行科学种田均具有十分重要的作用。搞好品种区域试验有利于鉴定和推广 Regional trials of crop varieties is an important measure to measure the yield-enhancing effect of high-yielding varieties and to adapt to the region. It is an indispensable intermediate link for new varieties from breeding to introduction and utilization, and is also the scientific basis for validation and promotion of new varieties. It plays a very important role in realizing regionalization of varieties, establishing and perfecting seed breeding system, determining reasonable flow of seeds and implementing scientific farming. Do a good job of regional trials of identification and promotion