(Image: Celina Mutti Lovera / Dialogue Earth)In the province of San Juan, one of the most arid in Argentina, water is more than a resource: it is a symbol. But the essential resource needed to sustain this pistachio revolution is precisely what is most lacking in San Juan: water. “In San Juan, it rains between 80 and 100 millimetres per year, and droughts are more frequent and longer. Pistachio trees take 8 to 10 years to mature (Image: Celina Mutti Lovera / Dialogue Earth)A field of 20-year-old pistachio trees, some of the oldest on the Pistachos de los Andes farm. As Salvioli says, “it is a resource that cannot be renewed.”Pistachio samples at the National Institute of Agricultural Technology in San Juan.

Source: Bueno Aires Herald December 27, 2025 15:51 UTC