They say their findings could help rice growers increase yields by as much as 20 percent.
Japan subsidizes its rice growers, too, but with fewer repercussions on the world market.
Parliament approved a bill to reduce taxes on the subsidies for rice growers.
Upala is a supply center for cattle ranchers and rice growers in the area.
A trade embargo may also sharply affect rice growers.
A demonstration by rice growers last Thursday may be remembered as the farmers' last stand.
His father was a rice grower, and his mother worked for a fruit tree farmer.
The relatively small number of rice growers in California are among the most heavily subsidized agricultural producer groups ever.
What was a community of black rice growers doing 60 miles from the sea in the heart of cotton country?
He was one of the largest rice growers in Cuba.