About the Author
Louis M. Thompson is Emeritus Associate Dean of Agriculture and Emeritus Professor of Agronomy, also at Iowa State University. Dr. Thompson based the early editions of Solis and Soil Fertility on thirty years of teaching at Texas A&M and iowa State University. He continued teaching seminars and returned to teach introductory soil science while in the position of Associate Dean of Agriculture. Since retirement, he has published several articles related to the effects of climatic cycles on crop yields.