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“Nitrification”
: C160-181.
2000.
“Dynamics of resistant soil carbon of Midwestern agricultural soils measured by naturally-occurring 14C abundance”
104: 239-256.
2001.
“Interpretation of soil carbon and nitrogen dynamics in agricultural and afforested soils”
67: 1620-1628.
2003.
1997.
2000.
2001.
2003.
“Glomalin, an arbuscular-mychrrhizal fungal protein, responds to landscape-level management”
253: 293-299.
2003.
“Keeping track of carbon (Letter)”
285: 1849.
1999.
“Climate variability in the North Central Region: Characterizing drought severity patterns”
: 56-73.
2003.
2001.
“Site to regional scaling”
: 37-41.
2002.
2006.
2003.
“Nitrogen in the environment”
: C190-200.
2000.
“Incorporating ecology into agriculture”
17: 490-491.
2002.
2000.
2004.
2002.
2002.