· Intertillage etc.
Ducks is stirs the rice paddies while swimming, acid in the paddy field
As well as supply the original, above the water temperature is always Nigorashi water
It will help the growth of the lower rice. . Eat the insects that are attached to the rice
Or, contact given by the ducks to move
Stimulation in Kukita acts on the rice, firm and good stock Zhang
It was make the rice.