(ENG) Core Organic is an international network of countries that support research in organic farming. It has been active for 15 years now. What knowledge did it deliver for plant production and plant breeding? Stéphane Bellon, researcher at Inrae, the French national research institute will reflect on this from the European perspective, Jan van Esch from the strategic knowledge and innovation department of the ministry of Agriculture and (name to be confirmed) will share their thoughts on the value of this network from a Dutch perspective.