Analysis of agricultural field trials considering spatial and/or temporal correlations

Beschreibung

The objective of this study was to compare the analysis of different agricultural field trials by using spatial and/or temporal analysis with classical analysis methods. To achieve this objective, the analysis of three different classes of trials will be discussed. - Simulation study and uniformity trial: to investigate the nature of spatial dependency that includes two components – positive covariance and the competition effect. - Multi-environment trials: to take into account the possible spatial variation within trials and the variance heterogeneity between trials. - Long-term trials: to identify spatial and temporal correlation structures and possible combinations of spatial-temporal correlations.
The objective of this study was to compare the analysis of different agricultural field trials by using spatial and/or temporal analysis with classical analysis methods. To achieve this objective, the analysis of three different classes of trials will be discussed. - Simulation study and uniformity trial: to investigate the nature of spatial dependency that includes two components – positive covariance and the competition effect. - Multi-environment trials: to take into account the possible spatial variation within trials and the variance heterogeneity between trials. - Long-term trials: to identify spatial and temporal correlation structures and possible combinations of spatial-temporal correlations.

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Ibrahim Alsayed

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Prüfgliedvergleiche Simulationsstudie Sortenversuche landwirtschaftliche Feldversuche

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