Acknowledgements
The current study was supported partially by the Ministry of Science and
Technology of China within the China-Italy Cooperation on FW Energy
Utilization (SQ2013ZOA000017), and the Beijing Municipal Natural Science
Foundation (No.6182017). The visits of David Bianchi and Camilla Negri
in China Agricultural University were supported by the project
(SQ2013ZOA000017). Dr. Ahmed Mahdy would like to thank for the financial
support from State Administration of Foreign Experts Affairs P.R.,
China. (Project No. WQ20180011).