PROBLEM TO BE SOLVED: To provide a novel blended fertilizer composition having a blending of fertilizer components designed for paddy rice.SOLUTION: There is provided a blended fertilizer composition for paddy rice containing nitrogen and potash as main components, nitrogen of 30 to 42 pts.wt. based on 100 pts.wt of the blended fertilizer composition for paddy rice, potash of 5 to 35 pts.wt. based on 100 pts.wt. of nitrogen, and each 20 to 90 wt.% of nitrogen of the total nitrogen and 40 to 90 wt.% of potash of the total potash are contained as coated granular fertilizers.