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Use of dominance analysis in selecting the best cropping technique based on long term agronomic experiments

Giuliano Vitali, Loretta Triberti, Guido Baldoni
  • Loretta Triberti
    Department of Agricultural Science, University of Bologna, Italy
  • Guido Baldoni
    Department of Agricultural Science, University of Bologna, Italy

Abstract

Yield averages and variability from three long-term agronomic experiments (LTAEs) have been used in a preference scheme for cropping system options by means of a dominance approach. Preference maps are obtained and include both parametric and stochastic dominance based on yield level and risk for wheat and maize crops grown in the Mediterranean area. Dominance method could add to classic ANOVA the direction of the effect of a treatment and a comparative approach. It allowed comparing technical options and practices on the basis of treatments explored in 3 still running LTAEs: rotation, tillage, mineral fertilisation level and organic amendment.

Keywords

Dominance; Long-term experiment; Rotations; Tillage; Fertilisation

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Submitted: 2016-02-03 11:01:14
Published: 2017-03-16 00:00:00
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Copyright (c) 2017 Giuliano Vitali, Loretta Triberti, Guido Baldoni

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