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玉米是吉林省的主要粮食作物,每年播种面积占粮豆面积的40~50%。它的产量对我省粮食产量影响很大。玉米是喜水喜肥的作物,生产实践与科学试验表明,灌水是玉米增产的有效措施.喷灌是灌水的新技术,几年来(1974年~1980年),在研究玉米喷灌效果基础上,我们着重研究了喷灌条件下玉米需水规律和丰产规律,提出玉米高产的长相指标和适宜土壤水分指标,以及喷灌灌溉制度,玉米产量达1200~1300斤/亩。为玉米高产提供了喷灌技术。
Maize is the main food crop in Jilin Province, and its annual sown area accounts for 40% to 50% of the area of grain beans. Its output has a great influence on the grain output of our province. Maize is a hi-hi crop, and production practice and scientific experiments show that irrigation is an effective measure to increase corn yield. Sprinkler irrigation is a new technology for irrigation. In the past few years (1974 ~ 1980) The law of water requirement and yield of corn under sprinkling irrigation was emphatically studied. The index of high yield of corn and suitable index of soil moisture were put forward, and the irrigation system of sprinkling irrigation was put forward. The yield of corn was 1200 ~ 1300 kg / mu. Spray irrigation technology for high yield of corn.