玉米雄穗(天花)抽出后至散粉前,如能及时拔除全田30—50％的雄穗,能使玉米增产10％左右。我旗近年来在玉米种植比较集中的社队推广这一技术,收到了明显的效果。玉米去雄的技术比较简单,但也不是随便去雄都能增产。(1)去雄的时间:在雄穗刚露头,还没散粉时抓紧进行。过早,拔的时候 Maize tassels (smallpox) to the loose powder after the extraction, if timely removal of the entire field 30-50% of the tassels, corn yield 10%. In recent years, I banner in the corn planting more concentrated community to promote this technology, has received significant results. Ma to male technology is relatively simple, but not just go to the male can increase production. (1) to the time of the male: the male spike just out of the head, have not yet scattered powder, pay close attention to. Premature, when pulled