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Título
Application of sugar foam to vineyard acid soils under mediterranean conditions
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
South African Journal of Enology and Viticulture
Número de la revista
2
Datos de la obra
Olego Morán, M.A., Rubio coque, J.J., Garzón Jimeno, J.E. (2014). Application of sugar foam to vineyard acid soils under mediterranean conditions. South African Journal of Enology and Viticulture, 35 (2), 178-184. https://doi.org/10.21548/35-2-1000
Editor
Stellenbosch South African Society for Enology and Viticulture
Fecha
2014
Résumé
[EN] Calcium (Ca) deficiency and aluminium (Al) toxicity are considered major chemical constraints that limit vine growth in vineyard acid soils under Mediterranean conditions. The main aim of this work was to evaluate the effects of three doses of sugar foam (900, 1 800 and 2 700 kg CaCO3 /ha) on five soil properties (pH in water, Ca, Mg, K and Al exchangeable contents) and Ca concentrations in petioles and canes of one wine grape variety. Research was conducted over three seasons (2006 to 2008) in a random block design at León (Spain). The results for plants and soils were subjected to general lineal model analysis. As a result, one linear model, validated through a cross-validation procedure, has been proposed to predict exchangeable calcium levels in vineyard acid soils at véraison. Based on the results for the soils, the higher doses of sugar foam (1 800 and 2 700 kg CaCO3 /ha) were the most effective doses in decreasing Al exchangeable and increasing Ca exchangeable contents. In addition, liming increased Ca content in petioles and decreased Ca content in canes, but in both cases these differences were not significant.
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