Vision: Planting corn is a positive sign of professional success. Grinding corn means joy and financial success. Looking at a cornfield: your future is secure. Seeing a lot of corn: you have invested your money wisely, your life is stable and secure. Small amounts of corn: poverty.
Depth Psychology: Corn represents the life experiences that have lead or will lead you to maturity. It is also the reward you will “harvest” for knowledge born of sorrow. See Grain.... Dreamers Dictionary
Productive stage in life, particularly when the furrows are clearly visible. It may be the symbol of a fertile woman or mother (Gaia, the earth mother, and also Demeter). Pointing toward work (one has to work the field). Hard, crusty clods indicate problems or paralysis.
For people living in a city, it is often also the symbol of rustic romanticism, similar to Farmer, and Furrow, wanting to escape from the city, becoming interested in the country for environmental reasons.... Little Giant Encyclopedia