一、选用优良品种选用株型紧凑、耐密植、耐肥水、抗倒抗病较强的优质、高淀粉玉米郑单18作为主导品种,以中农大236为辅助试验品种进行高产优质节本增效试验。二、精细整地,平衡配方施肥玉米是高产作物,需肥较多,一般规律是随着产量的提高,吸收到植株体内的养分数量也相应增多 First, the selection of good varieties Select compact, close planting, resistant to fertilizer, anti-down resistance strong quality, high starch corn Zhengdan 18 as the dominant variety, with Zhongnongda 236 as the auxiliary test varieties of high yield and quality of the cost-effective test. Second, fine preparation, balanced formula Fertilize corn is a high-yielding crops, need more fertilizer, the general rule is that with the increase of yield, the amount of nutrients absorbed into the plant body also increased accordingly