Their research efforts have been continually aimed at growing rice faster with higher yields .
The International Rice Research Institute ( IRRI ) , which is headquartered in the Philippines , has played a very significant role in enhancing the knowledge base of rice farming in Vietnam .
IRRI 's research efforts have been continually aimed at growing rice faster with higher yields .
The International Rice Research Institute ( IRRI ) , which is headquartered in the Philippines , has played a very significant role in enhancing the knowledge base of rice farming in Vietnam .