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吉林省玉米产量生态研究王鹏文,王国琴,潘铁夫(吉林省农业科学院136100)玉米是吉林省主要粮食作物之一。近年来,随着玉米生产的良种、良法配套,其产量大幅度提高,目前玉米产量约占全省粮豆总产的50%以上,并有继续增长的趋势。玉米产量的变化和波动直接影...
Study on Maize Yield Ecology in Jilin Province Wang Pengwen, Wang Guoqin, Pan Tiefu (Jilin Academy of Agricultural Sciences, Jilin 136100, China) Corn is one of the main food crops in Jilin Province. In recent years, with the improved varieties of corn and the good law, the output of corn has increased substantially. At present, the output of corn accounts for more than 50% of the total output of grain beans in the province and there is a trend of continued growth. Corn production changes and fluctuations in direct shadow ...