Wet paddy or swamp rice has been grown for a long time in africa

3. This rice Is grown on land covered with water for moat of the year.

· Along banks of rivers and streams

When the water begins to rise at the beginning of the rainy season, and when the water begins to fall at the end of the rainy season.

· In lowland plains covered with water most of the year

Where these plains are covered with a very deep layer of water, people sow floating rice the stems of floating rice grow longer when the water rises.

But yield varies very much according to how much it rains.

With traditional methods it is impossible to give the rice at the right time the amount of water it needs. The farmer cannot make the water come, when he needs it. He Is not In control of the water.

It is impossible to make the water go away, to drain the land. The farmer cannot make the water go away when he does not need it. He is not in control of the water.

It is impossible to cover the land with the depth of water that the rice needs at any time in its life.

Rice does not need the same depth of water at all times in its life. The farmer has no control over the depth of the water cover.