AgrI Challenge: A Data-Centric AI Competition for Cross-Team Validation in Agricultural Vision. - Mohammed Brahimi 001; Karim Laabassi; Mohamed Seghir Hadj Ameur; Aicha Boutorh; Badia Siab-Farsi; Amin Khouani; Omar Farouk Zouak; Seif Eddine Bouziane; Kheira Lakhdari; Abdelkader Nabil Benghanem (CoRR, 2026)