There is disclosed a computer-implemented GIS and method for collecting data and identifying, registering and tracking agricultural and food-related properties by type and use. Agricultural and food-related properties are identified by cross-referencing the real estate database with various agricultural group databases maintained by one or more agricultural producer groups or organizations. The real estate database and the various agricultural group databases are merged to produce a GIS of agricultural and food-related properties identified by type and use, with accurate location and boundaries and all relevant ownership and contact information.