Demand for rice on the global market is on a constant rise. Yet despite the Green Revolution,
production levels are unable to keep up with demand.
Irrigated rice production is practised by millions of farmers around the world. The technique
is based on an almost permanent flooding of the paddy-fields, which is an enormous source
of methane production. Replanting is done at a late stage and the density of plants is too
As a result of population pressure and frequent shortages of land and water, other methods of cultivation should be used in order to improve rice yields