]
[1297] Sustainability Indicators: A Scientific Assessment,
Karlen, Douglas L.
, J Environ Qual, June 23, 2008, Volume 37, Number 4, p.1663-, (2008)
[1364] Corn Stover to Sustain Soil Organic Carbon Further Constrains Biomass Supply,
Wilhelm, W. W., Johnson Jane M. F., Karlen Douglas L., and Lightle David T.
, Agron J, November 6, 2007, Volume 99, Number 6, p.1665-1667, (2007)
Abstract
[1315] Soil Organic Nitrogen Enrichment Following Soybean in an Iowa Corn-Soybean Rotation,
Martens, Dean A., Jaynes Dan B., Colvin Thomas S., Kaspar Thomas C., and Karlen Douglas L.
, Soil Sci Soc Am J, February 2, 2006, Volume 70, Number 2, p.382-392, (2006)
Abstract
[1298] Crop Rotation Effects on Soil Quality at Three Northern Corn/Soybean Belt Locations,
Karlen, Douglas L., Hurley Eric G., Andrews Susan S., Cambardella Cynthia A., Meek David W., Duffy Michael D., and Mallarino Antonio P.
, Agron J, April 11, 2006, Volume 98, Number 3, p.484-495, (2006)
Abstract
[1272] Nitrogen Management Strategies to Reduce Nitrate Leaching in Tile-Drained Midwestern Soils,
Dinnes, Dana L., Karlen Douglas L., Jaynes Dan B., Kaspar Thomas C., Hatfield Jerry L., Colvin Thomas S., and Cambardella Cynthia A.
, Agron J, January 1, 2002, Volume 94, Number 1, p.153-171, (2002)
Abstract