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1材料与方法1.1试验地点主试验区设在河北省承德市农业科学研究所试验地,辅试验区在内蒙古多伦县黑山嘴镇、呼和浩特市农业推广中心示范园区、内蒙古赤峰敖汉旗。1.2试验材料承德试验区草玉米品种:新青1号、新青2号、中原单32、科多8号、科青1号、东陵白。
1 Materials and Methods 1.1 Test Site The main experimental zone is located in the experimental site of Chengde Institute of Agricultural Science in Hebei Province. The auxiliary experimental zone is in Heishanzui Town, Duolun County, Inner Mongolia, demonstration park of Agricultural Extension Center in Hohhot, and Aohanqi in Chifeng, Inner Mongolia. 1.2 Test Materials Chengde pilot area grass corn varieties: Xinqing 1, Xinqing 2, Central Plains single 32, Section 8, Branch No. 1, Dongling white.