1. Ahmad, W., Singh, B., Dijkstra, F. A., & Dalal, R. C. (2013). Inorganic and organic carbon dynamics in a limed acid soil are mediated by plants. Soil Biology and Biochemistry, 57, 549–555.
2. Assadian, N., & Fenn, L. B. (2001). Rhizosphere chemical changes enhance heavy metal absorption by plants growing in calcareous soils. In G. R. Gobran, W. W. Wenzel, & E. Lombi (Eds.), Trace elements in the rhizosphere. Boca Raton: CRC Press.
3. Austruy, A., Shahid, M., Xiong, T., Castree, M., Payre, V., Niazi, N. K., et al. (2014). Mechanisms of metal-phosphates formation in the rhizosphere soils of pea and tomato: environmental and sanitary consequences. Journal of Soils and Sediments, 14, 666–678.
4. Badalucco, L., & Nannipieri, P. (2007). Nutrient transformation in the rhizosphere. In R. Pinton, Z. Varanini, & P. Nannipieri (Eds.), The rhizosphere: biochemistry and organic substances at the soil-plant interface (2nd ed.). Boca Raton: CRC Press.
5. Bakhshandeh, S. K. F., Dordipour, E., Olamaei, M., & Kehl, M. (2011). Comparing the weathering of soil and sedimentary palygorskite in the rhizosphere zone. Applied Clay Science, 54, 235–241.