关键词: 玉米品种, 玉米品种, 引种, 产量

Abstract: Abstract: Take the Puyang city 39 year meteorological data in warm, the water, the light as the analysis bases, has analyzed the meteorological condition to the Puyang city corn production positive and negative influence. Thought the meteorological condition to the local corn production advantageous influence is: ①On May 25 - on September 9 ≥10℃ the active accumulated temperature above 2700℃. the date, meets early, the late-maturing corn variety needs. ②Mid-June daily average sunshine hour is 8 hours, is whole year daily average sunshine hour most time intervals, is advantageous to the corn seedling growth.③The grouting time precipitation is big, satisfies accumulates in the material needs the moisture content. The meteorological condition to the corn production adverse effect is: ①Around the wheat harvest is clear the hot weather, appears arid few rain the year to be many, brings certain difficulty for summer corn sowing seeds.②Joints the earing easily to form “the drought just when the ears of corn are about to come out”.③The corn joints the florescence strength of illumination and the sunshine hour is insufficient, easy to create the pollination not to be good, cob bare point.