Each year, a designated individual would meticulously select the plumpest grains from the harvest to be preserved as seeds, ensuring an ample supply for future planting. To err on the side of caution, they would stockpile even more seeds than necessary.
Qiao Xuan, accompanied by Shao Yunduan, inspected the crops once more before utilizing her extraordinary abilities to bolster the seeds' viability, ensuring a bountiful yield.
Each family would be entrusted with their own seed preservation, with Qiao Xuan even imparting the knowledge of making potato noodles to many households. Capitalizing on this skill, some entrepreneurial individuals established potato noodle workshops, catering to those unwilling to prepare the dish themselves—a venture that proved quite lucrative.