玉米去雄的科学周伯瑜，黄美槐玉米去雄作为一项传统的增产措施，多少年来一直被不少农户所采用。据河南、陕西、山西、四川。山东和湖北等省资料，在相似水肥条件下，去雄比不去雄平均增产７一１５％。玉米去雄也叫抽除顶花、天花ｃ人常说：“玉米抽天花，多收二十八”、... The science of corn to the male Zhou Bo Yu, Huang Meihuai Ma to male as a traditional stimulation measures, how many years has been adopted by many farmers. According to Henan, Shaanxi, Shanxi, Sichuan. Shandong and Hubei provinces data, in similar conditions of water and fertilizer, to male than non-male average increase of 7 to 15%. Ma to male also called pumping top flowers, smallpox c often say: “corn pumping smallpox, more than twenty-eight”, ...