Analysis of the ecological circular mode of integrated crop-livestock farming of “corn + beef cattle” in hilly and gentle slope areas:a case study of Happy Family Farm in Pingyao Town,Yuhang District,Hangzhou City
QIAN Haishan, QIAN Haiqiang, WEN Dan, PANG Yinghua, LOU Ling, CAI Xiaomin, GU Wanfan
Journal of Zhejiang Agricultural Sciences . 2026, (8): 1995 -1998 .  DOI: 10.16178/j.issn.0528-9017.20260026