“单大二号”玉米生育期95天左右,半平展型,植株健壮,春、夏可种,它适应性广,抗逆性强,对气候要求不严,其株高1.7米,穗位高1.2米,穗行数26行左右,穗粒重300克以上,一般亩产800公斤左右,如种植得当,亩产可达1100公斤。播种要求:宽行5个麦茬(1米左右),窄行3个麦茬(0.6米左 “One size two” corn growth period of about 95 days, semi-flat type, robust plant, spring and summer can be planted, its wide adaptability, strong resistance, strict requirements on the climate, the plant height of 1.7 meters, ear position Height of 1.2 meters, rows of 26 rows of ears, grain weight 300 grams or more, generally about 800 kilograms per mu, such as planting properly, up to 1100 kg per mu. Sowing requirements: 5 wide stubble wheat stubble (about 1 meter), narrow stubble 3 stubble (0.6 meters left