Funding for this research was provided by:
National Natural Science Foundation of China (31672481)
China’s Agriculture Research System - Green Manure (CARS-22)
Article History
Received: 22 November 2018
Accepted: 9 May 2019
First Online: 27 May 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.