He has authored or co-authored over 329 research papers, 115 extension articles and 6 book chapters. He co-edited two books, Water Quality Concepts, Sampling, and Analyses and Handbook of Soil Sciences. He serves as an associate editor for two journals, Critical Reviews in Environmental Science and Technology and Communications in Soil Science and Plant Analysis. Additionally, Dr. Li has chaired or co-chaired 34 PhD and MS students, served as a committee member for 47 other graduate students, and supervised 16 postdoctoral fellows and many international visiting scientists and students from more than 25 countries.