Country's biggest rice producer raises production efficiency with new … stockbot 0 398 2021.03.23 17:00 http://vietnamnews.vn/society/909448/countrys-biggest-rice-producer-ra… + 26 https://vietnamnews.vn/rss/society.rss + 16 The Cửu Long (Mekong) Delta province of Kiên Giang in recent years has seen a rise in production efficiency after it began rotating rice cultivation and shrimp breeding on the same fields and switching to other crops on unproductive rice fields.