玉米苗期管理的中心是促根、保苗,在田间管理方面,应着重抓好以下四条措施。 一、查苗补苗:查苗时间要早,补苗方法要巧。补苗宜在阴天或傍晚进行带头移栽,适当追些速效化肥硝铵,促进生长。在定苗过程中,要拔除弱苗、病苗和自交苗,留壮苗。 Maize seedling management center is to promote root, seedlings, in field management, should focus on the following four measures. First, check Miaowu Miao: check Miao time to early, Miao Miao method to be clever. Vaccination should take the lead in the cloudy or evening transplanting, appropriate to catch up with some quick-acting fertilizer ammonium nitrate, and promote growth. Dingmiao process, to remove weak seedlings, seedlings and self-vaccine, stay strong seedlings.