In Korean tradition, dreaming of grain is read as very auspicious. It is most often tied to 재물, 가족.
Rice and grain are wealth itself — receiving or storing it is a great omen of plenty; spoiled or spilt grain, money leaking out.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream