Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 July 1956
Published in Agron J 48:284-289 (1956)
© 1956 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Influence of Population and Nitrogen Levels on Yield and Protein and Oil Contents of Nine Corn Hybrids1

A. L. Lang, J. W. Pendleton and G. H. Dungan2

Synopsis: Protein and oil content of grain was found to decrease with higher plant populations and lower N levels. Of yield components, ears per 100 plants was influenced most by varying populations and fertility levels. The 9 single-cross hybrids tested showed different yield responses to N levels and populations.

1 Contribution from the Department of Agronomy, Illinois Agr. Exp. Sta., Urbana, Ill. Published with the approval of the Director. Presented before Div. IV Soil Science Society of America, Davis, Calif. Aug. 16, 1955.

2 Professor of Soil Fertility, Assistant Professor, and Professor Emeritus of Crop Production, respectively.

Received for publication January 16, 1956.


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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 © 1956 by the American Society of Agronomy.