INNOVATION IN THE HAZELNUT ORCHARD: THE ZARAGOZA SYSTEM AND SINGLE-TRUNK MANAGEMENT
A recent technical visit by agronomist Vito Vitelli to the Lari Agricultural Farm in Avellino offers a deep dive into a six-year-old hazelnut orchard managed under the Zaragoza System. Video This approach clearly departs from local hazelnut growing traditions, focusing on operational efficiency, structural order, and economic sustainability, with the aim of creating a more modern and functional orchard. Video Training System: From Bush to Single Trunk The defining feature of the orchard is its training system. Unlike the traditional bush system with multiple stems, often characterized by vegetative disorder and numerous basal suckers, this orchard adopts single trunk management with well defined characteristics: Each plant develops a single trunk approximately 70 to 80 cm high The hazelnut tree assumes a structure similar to that of an almond tree The main branches are trained upward using the “open hand” and “central light cone” techniques, improving light penet...