Found 2 results
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Filters: Author is Karlen, Douglas L. and First Letter Of Title is S [Clear All Filters]
“Sustainability Indicators: A Scientific Assessment”, J Environ Qual, vol. 37, p. 1663-, 2008.
, “Soil Organic Nitrogen Enrichment Following Soybean in an Iowa Corn-Soybean Rotation”, Soil Sci Soc Am J, vol. 70, pp. 382-392, 2006.
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