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1选用优良品种玉米要高产,品种是关键。选用优良品种是实现玉米高产的重要措施。适合沈丘县种植并且表现较好的品种有郑单958、郑单23、中科4号、鲁单981、浚单20、浚单22、浚单26等新品种。玉米在播种前,晒种2～3天并药剂拌种。2适时播种套种田在麦收前7～10天左右播种。套种夏玉米适播期应在5月25日前后。夏直播田,必须早字当头,力争早播,越早越好。3提高播种质量提高玉米群体整齐度必须严把播种质量关:首先是适当增加播量,每667平方米2.5～3.5千克;其次是采用耧播,播种深度一般掌握在3～5
1 to choose good varieties of corn to high yield, variety is the key. Selection of fine varieties is an important measure to achieve high yield of corn. Suitable for planting Shenqiu County and performed better varieties Zhengdan 958, Zheng Dan 23, Zhongke 4, Lu Shan 981, Xundan 20, Xundan 22, Xundan 26 and other new varieties. Corn before sowing, basking 2 to 3 days and pharmaceutical dressing. 2 timely sowing sets of crops in the wheat harvest before about 7 to 10 days sown. Intercropping summer maize sowing date should be before and after May 25. Summer broadcast field, must blame the early word, and strive to early broadcast, the sooner the better. 3 to improve the quality of sowing to improve the uniformity of the corn population must be strict quality sowing: First, the appropriate increase in sowing, each 2.5 square meters 2.5 kg to 3.5 kg; followed by sowing, sowing depth generally in the 3 to 5