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Rotation experiment in Brazil

Published online by Cambridge University Press:  27 March 2009

W. L. Stevens
W. L. Stevens
Affiliation:
Faculdade de Ciências Econômicas e Administrativas, Universidade de São Paulo and Institute Agronômico de Campinas, Estado de São Paulo
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Extract

The design and analysis of rotation experiments present problems which are not encountered in annual experiments. The problems of design have been discussed by Yates (1949) and Stevens (1951 b). This paper is concerned with problems of statistical analysis. The experiment described is sufficiently general in its design for it to serve usefully as a basis of discussion of methods of analysis, both of the mean yields and of the measures of secular trend. It is shown that rotation experiments, without replicates within series, can be adequately analysed.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 47 , Issue 3 , May 1956 , pp. 257 - 261
Copyright
Copyright © Cambridge University Press 1956

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References

REFERENCES

Stevens, W. L. (1951 a). Biometrics, 7, 247–67.Google Scholar
Stevens, W. L. (1951 b). Experiências de rotacão. Bragantia, 11, 317–330.Google Scholar
Yates, F. (1949). The design of rotation experiments. Tech. Commun. Bur. Soil Sci., Harpenden, no. 46.Google Scholar
Yates, F. (1952). The analysis of a rotation experiment. Bragantia, 12, 228–235.Google Scholar