To dream of grains of rice signifies victory, wealth, luck, abundance, and warm friendships.
To dream that you are eating rice projects the joy and peace you experience in your own home.
To dream that you are cooking rice signifies the act of 'cooking up' new projects and responsibilities. This will bring you satisfaction.
To see dirty rice signifies sickness and severance from friends.
To dream of barley suggests a heated romance may be brewing in your waking life. Possibly a lifelong commitment of some kind may be in the wings but more likely a 'summer love affair'. Alternatively you may find yourself revisiting places of romantic significance with your lover.