Winter wheat for bread cropping began in 2012 in the sand dunes of Niigata Prefecture, Japan. Winter wheat for bread grown there requires frequent topdressing to compensate for the soil’s low fertilizer-holding capacity. We developed a cropping method that maintains yield and quality while reducing the number of fertilizer applications to save labor. We compared the growth of a new winter wheat for bread cultivar, ‘Natsukogane,’ with good bread-making quality, and a winter wheat for bread cultivar, ‘Yukichikara,’ under sand dune conditions. Ensuring the number of grains per ear promoted the yield stability of ‘Natsukogane.’ The grain ash content in farmers’ fields on sand dunes during four cropping seasons was greater in years when the soil water potential during the grain-filling period in May was low, and the 1,000-grain weight was low.