Fecha de publicación: 25/10/2017 Fuente: Wipo "precision farming" Soil tillage unit with modular design with modules for sowing fertilizers, soil cultivation and sowing seeds, and with a control system coupled with GPS module, wherein it comprises a module for dispensing liquid organic fertilizer to the soil, a module for dispensing mineral fertilizers, a soil cultivation module, and a grain sowing module, as well as an electronic control system for dispensing mineral and organic fertilizers coupled with the variable rate dispensing module for fertilizers.