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The Threshold Value of the Addition Amount of Amino Acid Waste in Manure
Qiao Yan, Hu Cheng, Zhang Zhi, Liu Donghai, Chen Yunfeng, Li Shuanglai
Journal of Agriculture . 2021, (9): 24 -27 .  DOI: 10.11923/j.issn.2095-4050.cjas20200200026