He was going to have to look up rice cultivation when they got home.
The area under rice cultivation has increased since the 1950s.
The chief form of agriculture in the county is rice cultivation.
They also have one of the most suitable land for rice cultivation.
This was the period in which rice cultivation began, having been introduced by China.
One of the superior land for rice cultivation in world.
The water from the lake is now used for rice cultivation by farmers of the area.
This was a time of military campaigns and rice cultivation.
This was once a fertile land well known for its rice cultivation.
Plant agriculture such as rice cultivation can also cause environmental problems.
