Burger / sandwich buns could be made with rice
Crop residue could be turned into mushrooms and reduce air pollution
Ducks and fish could be used in rice farming
Rice farmers could help birds (saru cranes) survive and make profits
Wetlands could be created for birds by rice farmers
Rice could be farmed in a climate friendly way
Waffles could be moffles and donuts / muffins could be made from mochi