04/12/2007

04/07/2008

Laboski, C.A.M., J.E. Sawyer, D.T. Walters, L.G. Bundy, R.G. Hoeft, G.W. Randall, and T.W. Andraski. 2008. Evaluation of the Illinois soil nitrogen test in the north central region of the United States. Agron. J. 100:1070-1076.

Kim, K.-I., D.E. Clay, C.G. Carlson, S. A. Clay and T. Trooien. 2008. Do synergistic relationships between nitrogen and water influence the ability of corn to use nitrogen derived from fertilizer and soil? Agron J 100:551-556.

Ruiz Diaz, D.A., and J.E. Sawyer. 2008. Plant-available nitrogen from poultry manure as affected by time of application. Agron J 100:1318-1326.

Ruiz Diaz, D.A., J.E. Sawyer, and A.P. Mallarino. 2008. Poultry manure supply of potentially available nitrogen with soil incubation. Agron J 100:1310-1317.

04/07/2009

07/26/2010

11/11/1111