River levels are extremely low .
At least 100,000 hectares of land is under threat , with as high as 500,000 -- 800,000 hectares of rice producing areas expected , if the drought continues .
River levels are extremely low and at least 100,000 hectares of land is under threat , with as high as 500,000 -- 800,000 hectares of rice producing areas expected , if the drought continues .