Navegação Bragantia por autor "Stevens, W. L."

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Análise do ensaio de desbaste de ramos inferiores do cafeeiro

Stevens, W. L.; Fraga Jr., C. G. (Instituto Agronômico (IAC), 1951-10)

This paper was written primarily to illustrate the process of fitting constants to non-orthogonal data. The design of the experiment, on the pruning of lower branches of coffee-trees, was systematic (see plan at the ...
Análise estatística do ensaio de variedades de café

Stevens, W. L. (Instituto Agronômico (IAC), 1949)

This paper describes the statistical analysis of a varietal trial with two unusual characteristics : (i) The plant (coffee) is one of those which show strong maxima and minima of production in alternate years. This phenomenon ...

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