Iron uptake in vineyard soils and relationships with other elements (Zn, Mn and Ca). The case of Castilla-La Mancha, Central Spain

摘要

In Castilla-La Mancha region (Spain) there are more than 500,000 ha of vineyards. The soils in the area of maximum culture intensity of wine grapes have a medium to high content in calcium carbonate. In these areas, the appearance of chlorosis symptoms is usually related to iron deficiency, but this is not the only element that is involved in these nutritional problems.