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Effects of Nitrogen Top-dressing by Stages on Yield and Post-flowering Photosynthetic Characteristics and Nitrogen Utilization of Maize Under Shallow-buried Drip Irrigation
GE Xuanliang, YANG Hengshan, ZHAO Peijun, LIU Jing, ZHANG Yushan
Chinese Agricultural Science Bulletin . 2022, (19): 1 -7 .  DOI: 10.11924/j.issn.1000-6850.casb2022-0078