Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 September 1960
Published in Agron J 52:493-496 (1960)
© 1960 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Soybean Ecology. I. Development-Temperature Relationships from Controlled Environment Studies1

D. M. Brown2

Synopsis: The average rate of development showed, a curvilinear relationship to temperature. The threshold or base occurred near 50° F. and the optimum near 86° F. The curve was parabolic for the range of temperatures used in this study.


1 Contribution from Department of Physiography, Ontario Research Foundation, Toronto, Canada. This project was supported by a grant from the Ontario Government. By permission of P. H. van Schaik and A. H. Probst, data from their publication (14) have been used in this study. The writer expresses his appreciation to them for permission to use their data, and to all those who provided constructive criticism of the manuscript.

2 Research Fellow, Ontario Research Foundation.







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Copyright © 1960 by the American Society of Agronomy.