Published online 5 June 2006
Published in Agron J 98:873-882 (2006)
DOI: 10.2134/agronj2004.0078
© 2006 American Society of Agronomy
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Residual Effects of Composted and Fresh Solid Swine (Sus scrofa L.) Manure on Soybean [Glycine max (L.) Merr.] Growth and Yield
Gina M. McAndrewsa,*,
Matt Liebmana,
Cynthia A. Cambardellab and
Tom L. Richardc
a Dep. of Agron., 1126 Agronomy Hall, Iowa State Univ., Ames, IA 50011-1010
b USDA-ARS, 310 Natl. Soil Tilth Lab., Ames, IA 50011-3120
c Dep. of Agric. and Biol. Eng., 225 Agric. Eng. Bldg., Pennsylvania State Univ., University Park, PA 16802-1909


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Fig. 1. (a) Monthly mean temperature and (b) total monthly precipitation for 2001, 2002, and the 50-yr mean in Boone, IA.
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Fig. 2. Mean soybean heights for control and manure amendments in 2001 and 2002 in Boone, IA.
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Fig. 3. Effects of manure and urea on mean soybean height in 2001 and 2002 in Boone, IA.
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Fig. 4. Mean soybean stem diameters for control and manure amendments in 2001 and 2002 in Boone, IA.
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Fig. 5. Effects of manure and urea on mean soybean stem diameters in 2001 and 2002 in Boone, IA.
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Copyright © 2006 by the American Society of Agronomy.