Application of dGPS to Harvesting Date and Precision Viticulture in Slovenia
نویسندگان
چکیده
In 2002, the maturity of grapevine was researched on the basis of sugar content, total titratable acidity and pH at seven locations with an undulating topography in four varieties 'Chardonnay', 'Riesling', 'Welschriesling' and 'Sauvignon'. All sampling points were geo-referenced simultaneously with DGPS for creating sugar maps. The significant relationship between the varying altitude above sea level (from 395 m to 505 m) and the concentration of sugar and the total titratable acidity of grapes was estimated during the maturity. The results of the study indicate that a great improvement of the grapevine quality is possible in the future by harvested it separately on the basis of site-specific maps.
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