Before Spain's accession to the European Common Market in 1986, Spanish agriculture was known for its productive diversity, extensive practices, and the importance of rainfed crops. In this context, traditional olive farming was based on principles of organic economy, relying on intensive human labour, livestock as a fundamental workforce and source of manure, and intelligent management of limited and irregular rainfall inputs such as eliminating vegetative competition, and employing wide planting frameworks (Martínez et al., 2011).