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丰南市从1996年开始推广春玉米秧盘育苗夏栽培技术,现累计推广1.2万公顷,比普通夏玉米每公顷平均增产2715公斤,增产率为48.8%。其栽培技术要点如下: 1 选用优种: 经过几年的试验示范,选用中晚熟品种农大3138、农大108作为主栽品种,这两个品种株型紧凑,抗逆性、抗病性强,增产潜力大,所用种子要求达到国家一级种,并进行种子包衣,每公顷本田用种22.5公斤。 2 培育壮秧 为培育出健壮秧苗,重点抓好以下
Fengnan started to popularize the cultivation techniques of spring maize seedlings and seedlings in 1996. Now, it has totally promoted 12,000 hectares, an average increase of 2715 kilograms per hectare and an increase rate of 48.8% compared with ordinary summer maize. The main points of its cultivation techniques are as follows: 1 Selection of superior species: After several years of experiment and demonstration, the middle-late maturing varieties Nongda 3138 and Nongda 108 were selected as the main cultivars. The two cultivars are compact in type, resistant, strong in disease resistance, Potential, the seeds used to reach the national level species, and seed coating, Honda per hectare species 22.5 kg. 2 nurturing strong seedlings for nurturing strong seedlings, focusing on the following