Abstract
The cultivation technique required for producing premium-flavor rice is reviewed. The soil preparations, such as the deep tillage and the dosage of organic matter are important for maintaining optimum water and nutrition uptake during the growing season. Good seedlings must be transplanted under optimal conditions to avoid ripening damage by high temperature, and low nodal position and nodal order tillers must be secured to obtain low-protein rice. Furthermore, excessive tillering should be avoided through deep flooding irrigation and mid-season drainage, because tillers at a high nodal position and high nodal order tillers generally produce high-protein rice. Top dressing based on nutrition diagnosis should be conducted to appropriately control the spikelet numbers, and after the heading stage, irrigation management (flow irrigation and intermittent irrigation) should be conducted to counter high temperatures and maintain root function. After harvesting at the appropriate time, it is important to dry the rice quickly at a low temperature setting. For further agronomic approach to produce premium-flavor rice, it is important to analyze the following factors: geographic and climatic conditions of the district that produce premium-flavor rice and cultivation technique of progressive farmers in that district.
