Adjusting for fertility and competition in variety trials

M. Durban, Iain David Currie, R. A. Kempton

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

A joint model for plot yield in response to fertility trends and interplot competition is described. The model combines the mixed model representation of a cubic smoothing spline to model fertility and a regression model with auto-regressive terms to model competition. Estimation is based on a generalization of residual maximum likelihood. The methods were applied to a series of 70 sugar beet trials conducted by the Plant Breeding Institute, Cambridge, UK, and the results summarized.

Original languageEnglish
Pages (from-to)129-140
Number of pages12
JournalJournal of Agricultural Science
Volume136
Issue number2
DOIs
Publication statusPublished - 2001

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