P-ISSN 0008-0845
E-ISSN 2160-8091
Vol. 28, Issue 9, 1974September 01, 1974 PDT 
ccby-nc-nd-4.0 
The second in an agricultural research centennial series: Soil sciences, U.C. riverside… a brief history of research contributions 
The second in an agricultural research centennial series: Soil sciences, U.C. riverside… a brief history of research contributions
H Chapman, 
Chapman, H. 1974. “The Second in an Agricultural Research Centennial Series: Soil Sciences, U.C. Riverside… a Brief History of Research Contributions.” California Agriculture 28 (9): 3–19.