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玉米是烟台地区的主要粮食作物,播种面积在450万亩左右,其中夏玉米约占玉米总播种面积的80%。目前,全区玉米平均亩产已突破635斤,并涌现出一批亩产900斤以上的高产单位。 1972—1976年,我们曾就高产栽培中的一些主要问题,在全区科研队的共同协作下开展了一些试验研究。 现将夏播玉米高产栽培经验以及历年试验结果做一初步总结,并对当前夏玉米生产上存在的问题,提出一些浅陋看法。
Corn is the main grain crop in Yantai, sown area of 4.5 million mu, of which summer corn accounts for about 80% of the total sown area of corn. At present, the average yield of maize in the whole region has exceeded 635 kg, and a batch of high-yielding units with a yield of 900 kg or more has emerged. In 1972-1976, we conducted some pilot researches on some major problems in high-yielding cultivation with the cooperation of research teams throughout the region. Summer sowing now high-yielding cultivation experience as well as the experimental results over the years make a preliminary summary, and the current summer corn production problems, put forward some shallow views.