PROBLEM TO BE SOLVED: To provide a rice transplanting machine capable of supplying a planting farm field with fertilizer in a necessary amount without waste to keep an environmental condition of the farm field approximately constant. SOLUTION: This rice transplanting machine is equipped with an infinite variable speed drive (73) which is attached to a discharge section (38) of a fertilizing unit (36) to control an amount of discharged fertilizer, wherein the machine drives and operates the infinite variable speed drive (73) so as to control the amount of the fertilizer from the fertilizing unit (36) based on map data of the farm field formed by sampling the soil thereof.
