Fuente: WIPO "organic farming" A system (100) for monitoring a field (200) comprising: a data processing unit (1 ), pedological sensors (2) arranged in the field (200), climatic sensors (3) arranged above the field (200), a GPS (6) arranged in the field (200), and image acquisition means (7) suitable for acquiring images (Is, Id) of the field (200); wherein the image processing unit (9) is configured to calculate a vegetation index (V) of the field based on the images (Is, Id) of the field; and the data processing unit (1) comprises an algorithm (10) based on artificial intelligence that is trained to output a response that classifies the monitored field as organic or non-organic.