Stanley Buol Buol, S. W. (2009). SOILS AND AGRICULTURE IN CENTRAL-WEST AND NORTH BRAZIL. SCIENTIA AGRICOLA, 66(5), 697–707. https://doi.org/10.1590/S0103-90162009000500016 Sanchez, P. A., Palm, C. A., & Buol, S. W. (2003). Fertility capability soil classification: a tool to help assess soil quality in the tropics. GEODERMA, 114(3-4), 157–185. https://doi.org/10.1016/S0016-7061(03)00040-5 Soil genesis and classification (5th ed.). (2003). Ames: Iowa State Press. Buol, S. W., & Eswaran, H. (2000). Oxisols. Advances in Agronomy, 68(2000), 151–195. https://doi.org/10.1016/s0065-2113(08)60845-7 Buol, S., Amoozegar, A., & Vepraskas, M. J. (2000). Physical, chemical and morphological properties of some Regoliths in North Carolina. Southeastern Geology, 39(3/4), 151. Beck, M. A., Robarge, W. P., & Buol, S. W. (1999). Phosphorus retention and release of anions and organic carbon by two Andisols. EUROPEAN JOURNAL OF SOIL SCIENCE, 50(1), 157–164. https://doi.org/10.1046/j.1365-2389.1999.00213.x Buol, S., & Kamprath, E. J. (1998, June). A comparison of the contributions of clay, silt, and organic matter to the effective CEC of soils in sub-Saharan Africa. https://doi.org/10.1097/00010694-199806000-00009 Pittillo, J. D., Hatcher, R. D., & Buol, S. W. (1998). Introduction to the environment and vegetation of the southern Blue Ridge province. Castanea, 63(3), 202–216. Buol, S. W., & Cook, M. G. (1998). Red and lateritic soils of the world: Concept, potential, constraints, and challenges. In W. E. B. J. Sehgal & K. S. K. S. Gajbhiye (Eds.), Red & lateritic soils (pp. 49–56). Rotterdam: Brookfield. Osher, L. J., & Buol, S. W. (1998). Relationship of soil properties to parent material and landscape position in eastern Madre de Dios, Peru. GEODERMA, 83(1-2), 143–166. https://doi.org/10.1016/S0016-7061(97)00133-X Buol, S. W. (1997). Overview of Kandi and other taxonomic changes in North Carolina. Soil Science Society of North Carolina proceedings, 40th. Raleigh, N.C.: Soil Science Society of North Carolina. Buol, S. W., Hole, F. D., McCracken, R. J., & Southard, R. J. (1997). Soil genesis and classification (4th ed.). Ames: Iowa State University Press. Schmidt, J. P., Buol, S. W., & Kamprath, E. J. (1997). Soil phosphorus dynamics during 17 years of continuous cultivation: A method to estimate long-term P availability. GEODERMA, 78(1-2), 59–70. https://doi.org/10.1016/S0016-7061(97)00011-6 Buol, S. W., & Stokes, M. L. (1997). Soil profile alteration under long-term, high-input agriculture. Replenishing soil fertility in Africa. Proceedings of an international symposium cosponsored by Divisions A-6 (International Agronomy) and S-4 (Soil Fertility and Plant Nutrition), and the International Center for Research in Agroforestry, held at the 88th Annual Meetings of the American Society of Agronomy and the Soil Science Society of America, Indianapolis, Indiana, 6 November 1996. Ed. by Roland J. Buresh, Pedro A. Sanchez, and Frank Calhoun. Madison, WI.: Soil Science Society of America, 1997, 97–109. Li, K., Amoozegar, A., Robarge, W. P., & Buol, S. W. (1997). Water movement and solute transport through saprolite. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 61(6), 1738–1745. https://doi.org/10.2136/sssaj1997.03615995006100060027x BUOL, S. W. (1995). [Review of SUSTAINABILITY OF SOIL USE]. ANNUAL REVIEW OF ECOLOGY AND SYSTEMATICS, 26, 25–44. https://doi.org/10.1146/annurev.es.26.110195.000325 BUOL, S. W., & WEED, S. B. (1991). SAPROLITE SOIL TRANSFORMATIONS IN THE PIEDMONT AND MOUNTAINS OF NORTH-CAROLINA. GEODERMA, 51(1-4), 15–28. https://doi.org/10.1016/0016-7061(91)90064-Z Buol, S. W., Hole, F. D., & McCracken, R. J. (1989). Soil genesis and classification (3rd ed.). Ames: Iowa State University Press. Buol, S. W., Hole, F. D., & McCracken, R. J. (1980). Soil genesis and classification (2nd ed.). Ames: Iowa State University Press. Buol, S. W., Hole, F. D., & McCracken, R. J. (1973). Soil genesis and classification (1st ed.). Ames: Iowa State University Press.