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Published online 1 January 1966
Published in Agron J 58:66-69 (1966)
© 1966 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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An Application of Multiple Covariance Analysis to the Estimation of Fertilizer Response Functions

Paul H. Hoepner and J. A. Lutz, Jr.2

A procedure to test whether or not significant differences exist in fertilizer response functions is important in the statistical analysis of experimental data. Analysis of covariance is often used in the analysis of linear functions. This paper extends the analysis of covariance procedures to quadratic and higher order least squares regression functions by applying the statistical techniques to the results of an actual experiment.

2 Associate Professor of Agricultural Economics and Assistant Professor of Agronomy, Virginia Agricultural Experiment Station, Blacksburg, Virginia.

Received for publication May 17, 1965.




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Copyright © 1966 by the American Society of Agronomy.