我省在春旱和春寒逆境条件下,玉米出苗推迟,导致贪青减产,这是我省玉米生产中存在的主要问题,这一问题在当前推广吉字号晚熟品种情况下尤为突出。那么,怎样促进玉米各生育进程并在霜前正常成熟呢?怎样确保极晚熟品种的较高成熟度呢?为此,我们在所内进行了玉米大面积不同播法对比试验。一、试验设计和方法试验地前茬陆稻,秋翻、秋起垅和秋灌。基础 In our province, in the spring drought and spring cold adversity conditions, the delayed emergence of maize led to the decrease of greed. This is the main problem in the corn production in our province. This problem is particularly prominent in the current promotion of late maturing varieties of Ji Zi. So, how to promote the growth process of corn and the normal maturity before frost? How to ensure the maturity of late-maturing varieties? To this end, we conducted a large area of ​​corn sowing comparison test. First, the experimental design and method of testing Before the stubble Upland rice, autumn turn, autumn turnip and autumn irrigation. basis