• Evaluation of the Copper and Zinc Contents of Soils in the Vineyards of La Rioja (Spain) 

      Iñigo Mendezo, Victoria (1); Marín, Álvaro; Andrades, Marisol; Jiménez-Ballesta, Raimundo (Environments - MDPI, 08/2020)
      The aim of this study was to determine the concentrations of Cu and Zn in soils in the vineyards of La Rioja and to calculate reference values for the two elements. Samples were taken from the surface horizon (0–20 cm) and ...