Prof. Xinhua is a distinguished professor at Southwest University. He received a BS from Southwest University in 1982, an MS from South China Agricultural University in 1991, and a PhD from the University of Queensland. He is an editor of the International Journal of Plant and Soil (Springer Nature) and Soil Research (CSIRO). His research interests include the application of 15N/13C stable isotopes and DNA-SIP/nanoSIMS; mycorrhizal networks and interplant nutrient movement; nutrient use efficiency in C3 and C4 plants; plant–microbe–soil interactions; plant and soil responses to elevated CO2; and the improvement of agriculture and forest soil fertility.