Weil, R.R., and N.C. Brady. 2017. The Nature and Properties of Soils. 15th ed. Pearson, Columbus. 1086 p. ISBN-13: 9780133254488.
Brady, N.C. and R.R. Weil. 2010. Elements of the Nature and Properties of Soils 3rd Edition. Prentice Hall, Upper Saddle River, NJ.
Weil, Ray R. 2009. Lab Manual for Introductory Soil Science. 8th ed. Kendall Hunt, Dubuque, Iowa.
Brady, Nyle and Ray Weil. 2008. The Nature and Properties of Soils. 14th ed. Prentice Hall, Upper Saddle River, NJ. 975 p. ISBN 13-978-0-13-227938-3.
Magdoff, F., and R.R. Weil, (eds.). 2004. Soil Organic Matter in Sustainable Agriculture. CRC Press, Upper Saddle River, NJ.
Brady, N.C. and R.R. Weil. 2002. The Nature and Properties of Soils 13th Ed. Prentice Hall, Upper Saddle River, NJ.
Weil, R.R. and W. Kroontje. 1984. The Nature and Properties of Soils: A Study Guide. MacMillan Pub. Co, New York, NY.
Chapters in Books
Heckman, J.R., R.R. Weil, and F. Magdoff. 2009. Practical steps to soil fertility for organic agriculture, p. 139-173, In C. A. Francis, ed. Organic farming: The ecological system. American Society of Agronomy/ Crop Science Society of America, and Soil Science Society of America, Madison, WI.
Weil, Ray. 2001. Soil management for sustainable intensification: some guidelines. p. 145-154. In Keeney, D Sustainability of Agricultural Systems in Transition. Agronomy Society of America Special Publication 64, ASA, Madison, WI.
Bottrell, D.G. and R.R. Weil. 1995. Protecting crops and the environment: striving for durability. p. 55-72.
In A.S. Juo Bridging Food Production and Environmental Quality in Developing Countries. ASA Spec. Publ. 60,.
Weil, R.R. and S.K. Mughogho. 1993. Nutrient Cycling By Acacia albida in Agroforestry Systems. p. 97-108. In Ragland Technologies for Sustainable Agriculture in the Tropics. Amer. Soc. of Agronomy Spec. Publ. 56.
Lounsbury, N.P., and R.R. Weil. 2015. No-till seeded spinach after winterkilled cover crops in an organic production system. Renewable Agriculture and Food Systems 30:(in press).
Belle, A.J., S. Lansing, W. Mulbry, and R.R. Weil. 2014. Anaerobic co-digestion of forage radish and dairy manure in complete mix digesters. Bioresource Technology. 10.1016/j.biortech.2014.09.036
Wang, F., Y.A. Tong, P. Gao, J. Zhang, R.R. Weil, and J.N. Coffie. 2014. Organic amendments to a wheat crop alter soil aggregation and labile carbon on the loess plateau, China. Soil Science 179:166-173.
Tulley, K. R.R. Weil, C. Palm. 2014. Ion selective electrode offers accurate, inexpensive method for analyzing soil solution nitrate in remote regions. Communications in Soil Science and Plant Analysis. 45: 1974-1980.
Chen, G., R.R. Weil and R. Hill. 2014. Effects of Compaction and Cover Crops on Soil Least Limiting Water Range and Air Permeability. Soil & Tillage Research 136:61-69.
Geatz, G.W., B.A. Needelman, R.R. Weil, and J.P. Megonigal. 2013. Nutrient availability and soil organic matter decomposition response to prescribed burns in mid-Atlantic brackish tidal marshes. Soil Sci. Soc. Am. J. 77:1852–1864.
Lucas, S.T., and R.R. Weil. 2012. Can a labile carbon test be used to predict crop responses to improve soil organic matter management? Agronomy J. 104:1160-1170.
Lawley, Y.E., J.R. Teasdale, and R.R. Weil. 2012. The mechanism for weed suppression by a forage radish cover crop. Agronomy J. 104:205-214.
Gruver, J., R.R. Weil, C. White, and Y. Lawley.2012.Radishes – a new cover crop for organic farming systems. e-Organic e-Extension, http://www.extension.org/pages/64400/radishes-a-new-cover-crop-for-organic-farming-systems
Bickford, W., B. Needelman, R. Weil, and A. Baldwin. 2012. Vegetation response to prescribed fire in mid-atlantic brackish marshes. Estuaries and Coasts 35:1432-1442.
Chen, G., and R.R. Weil. 2011. Root growth and yield of maize as affected by soil compaction and cover crops. Soil and Tillage Research 117:17-27.
White, C.M. and R. R. Weil. 2009. Forage radish and cereal rye cover crop effects on mycorrhizal fungus colonization of corn roots. Plant and Soil 328:507-521.
Chen, G., and R.R. Weil. 2010. Penetration of cover crop roots through compacted soils. Plant and Soil 10.1007/s11104-009-0223-7.
Gruver, L.S., R.R. Weil, I.A. Zasada, S. Sardanelli, and B. Momen. 2010. Brassicaceous and rye cover crops altered free-living soil nematode community composition. Applied Soil Ecology (in press) (doi:10.1016/j.apsoil.2009.11.007)
Dean, J.E., and R.R. Weil. 2009. Brassica cover crops for N retention in the Mid-Atlantic coastal plain. J Environ Qual 38:520-528.
Wills, S., B. Needelman and R. Weil. 2008. Carbon distribution in restored and reference marshes at Blackwater National Wildlife Refuge. Archives of Agronomy and Soil Science 54:239 – 248.
Gruver, Joel and Ray Weil. 2007. Farmer perceptions of soil quality and their relationship to management- sensitive soil parameters. Renewable Agriculture and Food Systems 22: 271-281.
Weil, R., and A. Kremen. Thinking across and Beyond Discipines to Make Cover Crops Pay. Journal of the Science of Food and Agriculture 87:551-557.
Waddell, J.T. and R.R. Weil. 2006. Effects of Fertilizer Placement on Solute Leaching under Ridge Tillage and No Till. Soil & Tillage Research. 90:194-204.
Wienhold, B.J., and R.R. Weil. 2006. Preserving Soil and Crop Resources by Increasing Cropping Intensity and Decreasing Tillage. Renewable Agriculture and Food Systems. 21:1-2.
Williams, S.M., and R.R. Weil. 2004. Crop Cover Root Channels May Alleviate Soil Compaction Effects on Soybean Crop. Soil Sci Soc Am J 68:1403-1409.
Gilker, R.E., R.R. Weil, and B. Mertz, (eds.). 2004. Making the Switch: Two Successful Dairy Graziers Tell Their Stories. Future Harvest - Chesapeake Alliance for Sustainable Agriculture:1-16.
Weil, R.R., K.R. Islam, M.A. Stine, J.B. Gruver, and S.E. Samson- Liebig. 2003. Estimating Active Carbon for Soil Quality Assessment: A Simplified Method for Lab and Field Use. Amer. J. of Alternative Agric. 18:3-17.
Weil, R.R., and R.E. Gilker. 2003. Management intensive grazing: Environmental impacts and economic benefits. Fact Sheet. University of Maryland, College Park, MD.:.
Weil, R.R., and S.A. Williams. 2003. Brassica cover crops to alleviate soil compaction (available for download in MS Word format or Adobe Acrobat format. Fact Sheet. University of Maryland, College Park, MD.:.
Weil, Ray R. 2003. Getting To Know a Catena: A Field Exercise for Introductory Soil Science. J. Nat. Resour. Life Sci. Educ. 32 :1-4.
Weil, Ray R. 2002. Soil and Environmental Quality: A Course for Non-Majors. J. Nat. Resour. Life Sci. Educ. 31:117-122.
Stine, M. A. and Weil, R. R. 2002. The relationship between soil quality and crop productivity across three tillage systems in south central Honduras. Amer. J. Alternative Agric. 17:2-8.
Gilker R.E., Weil R.R., Krizek D.T. and Momen B. 2002. Eastern Gamagrass Root Penetration in Adverse Subsoil Conditions. Soil Science Society of America Journal 66:631-638.
Weil, Ray. 2000. Soil and Plant Influences on Crop Response to Two African Phosphate Rocks. Agronomy Journal 92:1167-1175.
Islam, K.R. and R.R. Weil. 2000. Soil quality indicator properties in the mid-Atlantic region as influenced by conservation management. Jour. Soil and Water Conserv. 55:69-78.
Islam, K.R. and R.R. Weil. 2000. Land use effect on soil quality in tropical forest ecosystem of Bangladesh. Agric., Ecosystems, and Environ. 79:9-16.
Weil, Ray R. and Spider K. Mughogho. 2000. Sulfur nutrition of maize in four regions of Malawi. Agronomy Journal 92:649-656.
Islam, K.R. and R.R. Weil. 1998. Microwave irradiation of soil for routine measurement of microbial biomass. Biology and Fertility of Soils 27:408-416.
Islam, K.R. and R.R. Weil. 1998. A rapid microwave digestion for colorimetric measurement of soil organic carbon. Commun. Soil Sci. and Plant Anal. 29:2269-2284.
Cartron, J. and R. Weil. 1998. Seasonal trends in soil nitrogen from injected or surface-incorporated sewage sludge applied to corn. Commun. Soil Sci. and Plant Anal. 29:121-139.
Weil, R.R., K.A. Lowell, and H.M. Shade. 1993. Effects of intensity of agronomic practices on a soil ecosystem. Amer J. Altern. Agric. 8:5-14.
Craig, J.P., and R.R. Weil. 1993. Nitrate leaching to a shallow mid-Atlantic coastal plain aquifer as influenced by conventional no-till and low-input sustainable grain production systems. Water Science & Technology 28:691-700.
Weil, R.R. and M.E. McFadden. 1991. Fertility and weed stress effects on performance of maize/soybean intercrop. Agron J. 83:717-721.
Weil, R. R. 1990. Defining and using the concept of sustainable agriculture. J. Agron. Educ. 19:126-130.
Weil, R.R., R.A. Weismiller, and R.S. Turner. 1990. Nitrate contamination of groundwater under irrigated coastal plain soils. J. Environ. Qual. 19:441-448.
Weil, R.R. 1982. Maize-weed competition and soil erosion in unweeded maize. Tropical Agriculture 59:207-213.
Weil, R.R. and W. Kroontje. 1977. Grade inflation: causes and cures. J. Agron. Educ. 6:29-34.
Weil, R.R., and W. Kroontje. 1976. Improving the quality of computer-scored tests in agronomic courses. J. Agron. Education. 5:78-86.