The ex post relationship between growing conditions and optimal fertilizer levels

This article tests whether ex post optimal nitrogen rates increase with better growing conditions. Results of the tests indicate whether there is statistical support for the rule-of-thumb that farmers should increase their ex ante fertilizer rates to ensure an adequate supply of nutrients if the gro...

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Bibliographic Details
Published in:Applied economic perspectives and policy 1994-09, Vol.16 (3), p.353-362
Main Authors: Babcock, Bruce A., Blackmer, Alfred M.
Format: Article
Language:English
Subjects:
ABONOS NITROGENADOS
Agricultural economics
Crops
DOSE D'APPLICATION
DOSIS DE APLICACION
ENGRAIS AZOTE
Fertilizer rates
Fertilizers
FONCTION DE PRODUCTION
FUNCIONES DE LA PRODUCCION
IOWA
Logical givens
Nitrogen
Nitrogen fertilizers
Null hypothesis
Production estimates
Production functions
RENDEMENT DES CULTURES
RENDIMIENTO DE CULTIVOS
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Summary:This article tests whether ex post optimal nitrogen rates increase with better growing conditions. Results of the tests indicate whether there is statistical support for the rule-of-thumb that farmers should increase their ex ante fertilizer rates to ensure an adequate supply of nutrients if the growing season turns out to be favorable. In addition, the test results indicate if yield goals have a role in a system of fertilizer recommendations. Results indicate: (1) there is scant statistical support for the hypothesis that better growing conditions on a given site increase optimal nitrogen rates; and (2) better site-specific growing conditions seem to increase optimal nitrogen rates
ISSN:1058-7195
2040-5790
1467-9353
2040-5804
DOI:10.2307/1349695