Risk assessment and limiting soil factors for vine production—Cu and Zn contents in vineyard soils in Galicia (Rías Baixas D.O.)
UNIVERSAL IDENTIFIER: http://hdl.handle.net/11093/4465
EDITED VERSION: https://www.mdpi.com/2073-4395/13/2/309
UNESCO SUBJECT: 2511.04 Química de Suelos ; 2511 Ciencias del Suelo (Edafología) ; 2417.17 Nutrición Vegetal
DOCUMENT TYPE: article
Characteristics of vineyard soils and management practices can be assessed to determine the soil trend evolution, risks, and limits of soils for vine production through soil factors and foliar diagnosis. This study was made with soils from a vineyard divided into two plots belonging to the Rías Baixas D.O. The vineyard soils were sampled and characterized for three years. The total and available Cu and Zn contents and the physicochemical characteristics of the soils were determined annually and every four months, respectively. The main objective was to assess edaphic properties, phytosanitary treatments, fertilization, and tillage applied to indicate the quality of the vineyard soils. The soils presented certain limitations associated with mechanization, trafficability, and ease of tillage for cultivation. The soils showed a sandy loam texture, which makes the application of compost necessary to improve water retention and cation exchange capacity. Phytosanitary treatments and fungicides caused phytotoxic contents of Cu and Zn in the soils without being detrimental to the vines. In conclusion, the edaphic factors and foliar analysis were adequate to evaluate the condition of the soils and vines and to establish the necessary measures to improve the edaphic conditions of the vineyard soils to improve plant production.
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