Funding for this research was provided by:
National Natural Science Foundation of China (No. 11604154)
Natural Science Foundation of Jiangsu Province (No. BK20181315)
the Agricultural Machinery Three New Project (No. SZ120170036)
the Asia hub on WEF and Agriculture, and the NAU-MSU Joint Project (No. 2017-H-11)
the Key Research Plan of Yangzhou (No. YZ2018038)
Article History
Received: 10 June 2019
Accepted: 7 November 2019
First Online: 18 November 2019
Ethics approval and consent to participate
: Not applicable.
: All authors have given consent for the publication.
: The authors declare that they have no competing interests.