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Effects of reduced nitrogen fertilizer application on leaf SPAD value,agronomic traits and economic traits of flue-cured tobacco
Jia Lin, Xu Chunping, Liu Chunkui, Fan Yuntao, Jia Hao, Xia Yang, Wang Fushen
Anhui Agricultural Science Bulletin . 2026, (6): 20 -24 .  DOI: 10.16377/j.cnki.issn1007-7731.2026.06.006