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玉米生产对密山市全年粮食丰收起着重要作用。要实现玉米优质高产,除选择优良品种、适时早播、足墒播种、确保苗全苗壮的同时,必须抓好田间管理,其主要种植技术措施如下。1播种播种是玉米生产中最基本、最关键的环节,“有钱买种,无钱买苗”。播好种,出好苗,达到一播全苗、实现苗匀、苗齐、苗壮是玉米高产栽培的基础。播种最适温度25~35℃,田间持水量60%~70%,播种深度3~5cm,建议种植密度60 000株/hm2。提倡单粒机播。
Corn production plays an important role in the annual grain harvest in Mishan City. To achieve high quality and high yield corn, in addition to select good varieties, timely sowing, adequate moisture sowing, to ensure that all seedlings Zhuang Miao, we must grasp the field management, the main planting techniques are as follows. 1 sowing sowing is the most basic and crucial part in corn production, “rich to buy seed, no money to buy seedling ”. Broadcast a good species, a good seedlings, reaching a broadcast seedlings, to achieve Miao uniform, seedling Qi, Miao Zhuang is the basis for high-yielding cultivation of corn. Sowing the optimum temperature of 25 ~ 35 ℃, field water content of 60% to 70%, sowing depth of 3 ~ 5cm, the proposed planting density of 60 000 plants / hm2. Promote single grain sowing.