Prices of chemical fertilizers in Thailand are still high since they are made from ammonia (NH3), which comes from natural gas or hydrocarbon gas such as urea (46-0-0). Natural gas prices have risen due to increased demand. The price of liquefied natural gas in 2020 was USD 4.33/million BTU, USD 18.46 in 2021, and in the first seven months of 2022, it increased to USD 30.72.