PROBLEM TO BE SOLVED: To provide a cultivation method of paddy rice for producing a rice with a high score representing taste and with a high value of degree of taste, using a salmon compost.SOLUTION: Paddy rice is cultivated by applying a salmon compost with a C/N ratio of 10.0-11.0 in an amount of 3-6 kg in terms of nitrogen and a salmon compost with a C/N ratio of 7.5-8.5 in an amount of 1.5-4 kg in terms of nitrogen per 10 ares of the rice fields as a basal fertilizer, and applying a salmon compost with the C/N ratio of 7.5-8.5 in an amount of 2-5 kg in terms of nitrogen per 10 ares of the rice fields as an additional fertilizer.【課題】本発明の課題は、鮭堆肥を用いて、食味を示すスコアや味度値の高い米を生産するための水稲の栽培方法を提供することにある。【解決手段】基肥として、本田10アール当たり、C/N比が10.0~11.0の鮭堆肥を窒素換算で3~6kg、及びC/N比が7.5~8.5の鮭堆肥を窒素換算で1.5~4kg施用し、追肥として、本田10アール当たり、前記C/N比が7.5~8.5の鮭堆肥を窒素換算で2~5kg施用して水稲を栽培する。【選択図】なし