Cereal-legume intercropping: how cultivar, environment, and management shape performance - IntercropVALUES Practice Abstract Dordas, Christos Weedon, Odette Carlsson, Georg Paut, Raphaël Pecetti, Luciano IFOAM Organics Europe other https://orgprints.org/id/eprint/57836/ /id/eprint/57836/1/IntercropVALUES%20PA29%20WP2%20Cultivar%2C%20environment%2C%20management.pdf /id/eprint/57836/7/intercopping.png open access 2026 cereal crops legumes intercropping diversification