Shen, Y.; Zhao, L.; Meng, H.; Cheng, H.; Ding, J.; Wang, J.; Dong, S.; Zhang, X.; Song, L.; Zheng, S. Metagenome Analysis Reveals Potential Microbial Functions in Topsoil of wheat–maize Rotation System With Five-Year Application of Fertilizers. Int J Agric & Biol Eng 2019, 12, 177-184.