PROBLEM TO BE SOLVED: To provide a method capable of making a ridge where the growth of weed is controlled.SOLUTION: A ridge making method comprises: a soil collection step of collecting a sample of soil from the ground to mine the soil for use in making a ridge; a solidification material determination step of measuring the strength after the solidification concerning a mixture after obtaining the mixture by mixing the sample of the soil with the use-planned solidification material, and determining a type and an amount of the solidification material for controlling the growth of the weed based on the measurement value obtained; and a ridge making step of making the ridge on the ground by the type and the amount of the solidification material determined by the solidification material determination step.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】雑草の生育が抑制された畦を造成することができる方法を提供する。【解決手段】畦の造成に使用する土壌を採掘する地盤から、土壌の試料を採取する土壌採取工程、土壌の試料と、使用予定の固化材を混合して、混合物を得た後、混合物について固化後の強度を測定し、得られた測定値に基いて、雑草の生育を抑制するための固化材の種類及び量を定める固化材決定工程、及び、固化材決定工程で定めた固化材の種類及び量で、地盤に畦を造成する畦造成工程、を含む畦造成方法。【選択図】なし