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Sowing Date and Yield of Maize: Effects on Photosynthetic Characteristics
Gao Yonggang, Gao Ming, Zhao Huiying, Liu Dan, Yang Xiaoqiang, Zhang Zhiguo
Chinese Agricultural Science Bulletin . 2020, (30): 19 -27 .  DOI: 10.11924/j.issn.1000-6850.casb20191000771