To easily set a spreading amount of spread substance for each area.An agriculture support system includes a data obtaining device to obtain at least one type of data among a plurality of types of data relating to planting of crops, a mesh setting device to allocate, as divided data, the data obtained by the data obtaining device to each of areas of an agricultural field in which the crops are planted, a first map display to relate, to a location of the agricultural field, the divided data allocated to each of the areas by the mesh setting device and to display the divided data as a first field map, a spreading setting device to set a spreading amount of spread substance in each of the areas based on the divided data of each of the areas, and a second map display to relate, to the location of the agricultural field, the spreading amount set to each of the areas by the spreading setting device and to display the spreading amount as a second field map.