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Characteristics of Yield Ratios of Winter Wheat and Summer Maize Cultivated Land in Henan and Their Relationship with Cultivated Land Grade and Terrain
FAN Peng, WANG Guobing, YANG Jianbo, WANG Lei, YANG Xihui, YANG Qingwei
Chinese Agricultural Science Bulletin . 2025, (36): 108 -118 .  DOI: 10.11924/j.issn.1000-6850.casb2025-0735