Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 January 1962
Published in Agron J 54:29-34 (1962)
© 1962 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Soil Compaction in the Field and Corn Growth1

R. E. Phillips and Don Kirkham2

Synopsis: Soil compaction markedly reduced growth and yield of corn. Mechanical impedance, as measured by bulk density and needle penetration, was the physical property most highly correlated with the reduction in growth and yield of the corn at each of two fertility levels.

1 Journal Paper No. J-3978 of the Iowa Agricultural and Home Economics Experiment Station, Ames, Project No. 1235. This investigation was supported in part by Consolidated Hatch Act Regional Project NC-17. Presented before Div. I, Soil Science Society of America, November 18, 1959, at Cincinnati, Ohio.

2 Formerly Research Associate in Soils, (now Assistant Professor of Agronomy, University of Arkansas), and Professor of Soils and Physics, Iowa State University, respectively.




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The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education		 Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 1962 by the American Society of Agronomy.