Rice in Cambodia is grown in four different ecosystems: rainfed lowland, rainfed upland, deepwater, and irrigated. The rice area has been expanding since the 1990s, from

Rice in Cambodia is grown in four different ecosystems: rainfed lowland, rainfed upland, deepwater, and irrigated. The rice area has been expanding since the 1990s, from

Rice in Cambodia is grown in four different ecosystems: rainfed lowland, rainfed upland, deepwater, and irrigated. The rice area has been expanding since the 1990s, from