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ArticleOriginal scientific text

Title

Efficiency of cropping system designs via base contrast

Authors 1, 1, 1

Affiliations

  1. Department of Applied Mathematics Agricultural, University of Lublin, Akademicka 13, P.O. Box 158, 20-934 Lublin, Poland

Abstract

The present article is a continuation of previous papers by the same authors devoted to the efficiency of crop rotation experiments. We focus on plans distinguished by the cyclical pattern of the incidence matrix. For practical reasons, we slightly modify the efficiency coefficient. The relation between the resulting efficiency coefficients is examined. In addition, we provide a background material on crop rotation experiments.

Keywords

ENG
cropping system experiment, inter-contrast, efficiency factor, base contrast

Bibliography

  1. G. Constantine, Combinatorial Theory and Statistical Design, Wiley, New York, 1987.
  2. J. A. John, Cyclic Designs, Chapman and Hall, London, 1987.
  3. T. Przybysz, Mathematical models of crop rotation experiments, Roczn. Nauk Roln. Ser. A 105 (1982), 16-28 (in Polish).
  4. T. Przybysz, U. Bronowicka-Mielniczuk and J. Mielniczuk, Efficiency of crop rotation designs with unequal numbers of replications, Tatra Mt. Math. Publ. 17 (1999), 177-184
  5. T. Przybysz, U. Bronowicka-Mielniczuk and J. Mielniczuk, Efficiency factors for crop rotation designs, Colloq. Biometryczne 28 (1998), 98-107.
  6. K. R. Shah and B. K. Sinha, Theory of Optimal Designs, Springer, 1989.
Applicationes Mathematicae
2000/27/4
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Pages:
377-384
Main language of publication
English
Received
1999-03-05
Accepted
1999-12-28
Published
2000
Exact and natural sciences