Flue-cured tobacco excellent small production area identification method and system based on high-precision digital soil map

The invention discloses a flue-cured tobacco excellent small production area identification method and system based on a high-precision digital soil map, and relates to the technical field of modern agriculture. The method comprises the following steps: obtaining a high-precision digital soil map of a target area and a tobacco planting area space distribution current situation map; constructing a soil physicochemical property spatial database of the target area; identifying a suitable tobacco planting area based on the soil physicochemical property spatial database; calculating a tobacco planting soil superior product index SHQI value suitable for the tobacco planting area and performing partitioning; and identifying whether the target area is the flue-cured tobacco excellent small-production area according to the zoning result and the village-level administrative map. The average comprehensive quality of the flue-cured tobaccos selected by the method is far higher than that of the flue-cured tobaccos selecte