[目的]选择适合渭北旱塬地膜覆盖的玉米品种.[方法]通过多重比较和相关性分析对参试的15个品种的生育期、主要农艺性状、产量进行研究.[结果]登海605、陕单518产量最高,田间表现最好,优于对照品种,适合当时种植.[结论]该试验为优异品种在陕西省渭北旱塬的推广提供理论依据.%[Objective] To screen the maize varieties suitable for mulching at Weibei Plateau.[Method] The growth period, main agronomic characters and yield of 15 maize varieties were studied by multiple comparison and correlation analysis.[Result] Denghai 605, Shaandan 518 had the highest yield and best field performance, which were supurior to the control and suitable for local planting.[Conclusion] This research provides theoretical basis for the extension of high-quality maize variety in Weibei Plateau of Shaanxi Province
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