“沈单3号”是我市玉米生产上主要栽培品种之一.推广以来,由于它具有产量高、抗大斑病及黑粉病等优点,种植面积逐渐扩大,目前其他市、县引种栽培的也很多.为了充分发挥“沈单3号”的增产潜力,现根据其生育特性及部分社队的栽培经验,提出以下几点建议. “Shen Dan No. 3” is one of the main cultivated varieties of maize in our city.Due to its advantages of high yield, resistance to leaf spot and powdery mildew, the planted area has gradually expanded, and at present, the introduction and cultivation of other cities and counties In order to give full play to the yield potential of “Shendan 3”, the following suggestions are made based on its reproductive characteristics and the experiences of some communes and brigades.