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Forage Response to Swine Effluent: A Cox Nonnested Test ofAlternative Functional Forms Using a Fast Double Bootstrap

Published online by Cambridge University Press:  26 January 2015

Seong C. Park
Affiliation:
Texas AgriLife Research-Vernon, and Department of Agricultural Economics, Texas A&M University, College Station, Texas
B. Wade Brorsen
Affiliation:
Department of Agricultural Economics, Oklahoma State University, Stillwater, Oklahoma
Arthur L. Stoecker
Affiliation:
Department of Agricultural Economics, Oklahoma State University, Stillwater, Oklahoma
Jeffory A. Hattey
Affiliation:
College of Food, Agricultural, and Environmental Sciences, Ohio State University, Columbus, Ohio

Abstract

A Cox nonnested test is conducted using a fast double bootstrap (FDB) methodto select among three competing functional forms (linear response plateau,quadratic, and Mitscherlich-Baule) to model forage yield response tonitrogen applied with swine effluent. The quadratic is rejected in favor ofone of the other functional forms in all cases. The FDB pvalues differed slightly from the single bootstrap pvalues. Buffalograss was slightly more profitable than bermudagrass and hasthe ability to use almost as much nitrogen as bermudagrass.

Type
Research Article
Copyright
Copyright © Southern Agricultural Economics Association 2012

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