玉米去雄可促进玉米增产,但是,在进行玉米去雄时,一定要注意以下三点:1.去雄要及时分次进行。玉米去雄一定要抓住雄穗刚抽出1/3时开始,即用手能握住或用手剥开两片苞叶露出雄穗时将其拔掉。过早过晚都不好。过早拔不出雄穗,还会带叶,过晚如已散粉失去作用。同时,由于玉米雄穗抽出时间不整齐不集中,一般从开始去第1次雄穗,相隔2～3天去1次,连去3～4次为宜,如个别弱小株可扒开旗叶将其抽出。另外还要注意选晴天,一般上午9时至下午4时为宜,以利伤口快速愈合。2.去雄量要视地块、品 Maize to promote male maize yield increase, but when maize to males, we must pay attention to the following three points: 1. Maize to male must grasp the male spike just took out 1/3 when the start, that is, the hand can hold or peel two leaves by hand when the sprout to unplug the tassel. Not too early too late. Too early to pull out the tassel, but also with leaves, too late as loose powder has lost its effect. At the same time, due to maize tassel irregularities do not focus on time, usually from the beginning to the first tassel, separated by 2 to 3 days to 1, even go to 3 to 4 times is appropriate, such as individual weak strains can be stripped flag leaf Take it out. Also pay attention to choose a sunny day, usually 9 am to 4 pm is appropriate to facilitate rapid wound healing. 2 to the male to the mass, product