paddies
They're called rice paddys.
They are called wet-rice farming.
a "paddy" is the correct term
In Asia, Rice grows in paddies. These are flooded fields.
Rice Paddy http://en.wikipedia.org/wiki/Paddy_field
Its called terrace farming. Sometimes, not always, the terraces are flooded as paddy fields for growing rice, especially in the East.
A field of rice is called a rice paddy or rice field. It is an agricultural field flooded with water where rice is grown.
Rice is grown in paddies, or paddy fields.
In lowland areas, farmers typically cultivate rice in flooded fields known as paddies. These paddies are flooded with water to control weeds and pests, and to provide the necessary environment for rice growth. Farmers may also use irrigation systems to supply water to the rice fields if natural water sources are insufficient.
The Nile river flooded the fields in Egypt.
Rice
a Paddy