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由科技部和山东省科技厅共建的国家科技支撑计划重大研究专项——超级玉米新品种选育与产业化开发项目,4月19日在山东省济南市启动。据测算,如果每年种植推广4000万亩
The major research project supported by the Ministry of Science and Technology and the Shandong Science and Technology Department, the project of breeding and industrialization of new maize varieties, was started on April 19 in Jinan, Shandong Province. It is estimated that if the annual planting to promote 4000 mu