Zhang, X., Wang, Q., Xu, J., Gilliam, F. S., Tremblay, N., & Li, C. (2015). In Situ Nitrogen Mineralization, Nitrification, and Ammonia Volatilization in Maize Field Fertilized with Urea in Huanghuaihai Region of Northern China. PLoS One.

Zhang, Xuelin, Qun Wang, Jun Xu, Frank S. Gilliam, Nicolas Tremblay, och Chaohai Li. "In Situ Nitrogen Mineralization, Nitrification, and Ammonia Volatilization in Maize Field Fertilized With Urea in Huanghuaihai Region of Northern China." PLoS One 2015.

Zhang, Xuelin, et al. "In Situ Nitrogen Mineralization, Nitrification, and Ammonia Volatilization in Maize Field Fertilized With Urea in Huanghuaihai Region of Northern China." PLoS One 2015.