International Conference on Soil Conservation and Management in the Humid Tropics, Ibadan, Nigeria, 1975. Soil conservation ... c1977.

Soil erosion research methods, c1988: CIP t.p. (R. Lal) info. from pub. (ass't. prof., Dept. of Agronomy, Ohio State Univ.; Rattan Lal; b. 1944)

U.S. copyright file, May 28, 2003 (Lal, Rattan, 1945- )

His Web site (Ohio State University), May 28, 2003 (Rattan Lal; b. Sept. 5, 1944, Karyal, Punjab, India (now in Pakistan); U.S. citizen; School of Natural Resources, Ohio State University; Ph. D., Soil Physics, The Ohio State University, 1968; professor)

Biog. & geneal. master index, May 27, 2003 (Lal, Rattan (1944- ))

Information from 678 converted Dec. 17, 2014 (International Institute of Tropical Agriculture, Ibadan, Nigeria)

OSU School of Environmental and Natural Resources, viewed 24 June 2021 (Rattan Lal, distinguished professor and namesake of the CFAES Rattan Lal Center for Carbon Management and Sequestration) https://senr.osu.edu/our-people/rattan-lal

Wikipedia, viewed 24 June 2021 (Rattan Lal, born 5 September 1944) https://en.wikipedia.org/wiki/Rattan_Lal

Hydrogeology, chemical weathering, and soil formation, 2021: page ix (Rattan Lal, Carbon Management and Sequestration Center, The Ohio State University, Columbus, Ohio)

OSU web site, July 15, 2021: (Rattan Lal, Distinguished University Professor of Soil Science, lal.1@osu.edu) CV (Rattan Lal, Ph.D., is a Distinguished University Professor of Soil Science and Director of the CFAES Dr. Rattan Lal Carbon Management and Sequestration Center at The Ohio State University, as well as an Adjunct Professor of University of Iceland and the Indian Agricultural Research Institute (IARI), India. He received a B.S. from Punjab Agricultural University, Ludhiana, India (1963); M.S. from Indian Agricultural Research Institute, New Delhi, India (1965); and Ph.D. from the Ohio State University, Columbus, Ohio (1968). He served as Sr. Research Fellow with the University of Sydney, Australia (1968-69), Soil Physicist at IITA, Ibadan, Nigeria (1970-87), and Professor of Soil Science at OSU (1987 to date).) https://senr.osu.edu/our-people/rattan-lal