夏玉米，要高产，选良种，是关键。杂交种①，产量高，精选粒，纯度好。种衣剂②，把种包，防病虫，促壮苗。麦黄水，利用巧，借墒情，下种早。下种前，定行距，看地力，视品种。施种肥③，作用大，全元肥，施种下。除草剂，用乙阿，防杂草，保苗齐。苗出齐，管理早，保密度， Summer corn, to high yield, selection of elite, is the key. Hybrids ①, high yield, selection of tablets, good purity. Seed coating ②, the kind of package, pest control, and promote strong seedlings. Wheat yellow water, the use of clever, by moisture, under the kind of early. Under the kind of before, set the line spacing, to see the force, depending on species. Fertilizer ③, the role of large, full-fat, planting under. Herbicide, with B, anti-weed, Paul Miao Qi. Miao Qi Qi, management early, security,