Zone de Texte: Agronomical factors Zone de Texte: Sugar beet prevalence 1. Low = <4% 2. Medium = 5-9% 3. High = 10-29 % 4. Very High = >30% of cultivated fields Zone de Texte: Crop rotation (typical) 1. Long >3 years 2. Short 1-3 years Zone de Texte: Disease Severity in previous year 1 = Low 0 - 5 % 2 = Medium 6 -10%, 3. High = 11 - 30% 4. Very high = >30% Zone de Texte: Irrigation 0. No 1. Yes Zone de Texte: Central Institution for Decision Support Systems in Crop Protection Zone de Texte: ‹N°› Zone de Texte: P. Racca, E. Jörg

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