Chemical fertilizers could be completely replaced by manure to maintain high maize yield and soil organic carbon (SOC) when SOC reaches a threshold in the Northeast China Plain

LI Hui, FENG Wen-ting, HE Xin-hua, ZHU Ping, GAO Hong-jun, SUN Nan, XU Ming-gang

Journal of Integrative Agriculture . 2017, (04): 937 -946 . DOI: 10.1016/S2095-3119(16)61559-9