Linfogreen is the mobile app that aims to support all stakeholders in the primary sector through a portal, in which it is possible to publish advertisements, divided into four different categories.In particular:1) Sale and purchase of local agricultural products: reference is made to the entire agro-productive chain; from the products used by agricultural operators (e.g. seeds, fertilizers, timber, etc.) to the output at the end of the supply chain (fodder, cereals, meat animals, fruit and vegetables, etc.).2) Third-party work and environmental care: in which to insert announcements relating to operators who offer a third-party work service in a specific area indicated in the advertisement and those who carry out gardening, pruning and deforestation activities.3) Fairs and agricultural events at 360 degrees: this category includes all events such as agricultural fairs, open doors of dealerships and festivals of typical products.4) Information forum: in this category it is possible to request any clarification on any purchases, processing techniques and/or improvements for the supply chain.