Bridging The Rice Yield Gap In Thailand Tawee Kupkanchanakul Bridging The Rice Yield Gap In Thailand Tawee Kupkanchanakul Agronomist, Rice Research Institute, Department of Agriculture, Bangkok 10900, Thailand Introduction Rice is the most important food crop in Thailand. The total area under rice is estimated to be about 11 million ha representing approximately 40 percent of the cropped land area