如何提高玉米人工授粉的效果１．采取扳雄就雌法扳雄就雌授粉法即在玉米抽丝前把雄穗小心扳弯接近雌穗位置，然后用两端不封口的卡纸袋同时套住雄穗和雌穗，用绳或大头针固定好即可。或先把雌穗套上小袋，待玉米抽丝后再扳雄就雌。此法优点是杜绝串杂，结实率高。在选套玉... How to improve the artificial pollination effect of corn 1. To pull the male and female to pull the male and female pollination method that is tassel corn before pulling the ear carefully bent closer to the ear position, and then use both ends of the non-sealed cardboard jam at the same time the tassel and ear, with rope or Pin can be fixed. Or the first set of spikes on the pockets, until the corn after drawing male and female. Advantages of this method is to eliminate stringing, seed setting rate. In the selected jade ...