 Fifty percent of tapioca in Thailand is grown in the northeast region.The five provinces with the largest tapioca plantations are Nakhon Ratchasima, which alone produces 25 percent of Thailand's total production, Kamphaeng Phet, Chaiyaphum, Sa Kaeo, and Chachoengsao.Thailand produces 28-30 million tonnes of fresh cassava roots yearly from some 500,000 households, worth more than 100 billion baht.