Abstract: The invention relates to a method for determining at least one characteristic of the soil in a geographical zone, the method being implemented by computer and comprising the steps of: detecting, in at least one georeferenced image (8) associated with the geographical zone, at least one symbol (10) representative of a pedological data measurement point, and an associated unique identifier; for each symbol (10) detected: calculating the geographical coordinates of the corresponding measurement point, from the position of said symbol (10) in the image and the georeferencing of the image; from the corresponding unique identifier, identifying, in a pedological database associated with the geographical zone, the pedological data corresponding to the respective measurement point.