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Descripción
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| Aim: To compare grape yield prediction methods to determine which provide the best results in terms of earliness of prediction in the growing season, accuracy and precision. Methods and results: The grape yields predicted by six models ? one for use at fruitset (FS), two for use at veraison (V1 and V2), and three for use during the lag phase (LP40, LP50 and LP60) ? were compared to fieldmeasured yields. Regressions for the yield predicted by each model were constructed. The V1 and V2 models had the highest R2 (0.75) and efficiency index (EF; 0.67-0.71) and the lowest RMSE values (±16-17%, or <0.5 kg per mof row). The FS model had the same or similar R2 (0.58), EF (0.06) and RMSE (±30%, or <0.83 kg per m of row) values as the LP models, but allowed yield predictions to be made one month earlier. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Journal International Des Sciences de la Vigne Et Du Vin |
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ISSN
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1151-0285 |
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Factor de impacto JCR
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0,804 |
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Información de impacto
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Volumen
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49 |
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DOI
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Número de revista
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1 |
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Desde la página
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27 |
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Hasta la página
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35 |
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Mes
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SIN MES |
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Ranking
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