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玉米制种高产“八句歌”河北省平泉县种子公司高玉怀，程起地处塞北的平泉县，自１９９０年开始，根据本地气候特点，采取了一套相应的模式化栽培技术，使徘徊多年的杂交玉米制种产量有了新的突破。四年来累计模式化面积１９．３万亩，平均亩产３０９．８公斤，比模式化栽...
Production of high-yielding corn seed “Eight Songs” Pingyu County, Hebei Province seed company Gao Yuhuai, Chengqi is located in the northern part of Pingquan County, since 1990, according to local climate characteristics, adopted a set of corresponding modeled cultivation techniques to make hovering Years of hybrid corn seed production has a new breakthrough. Over the past four years, a total area of 19.3 hectares of model area, the average yield 309.8 kg, more than the planted plant ...