Peng Da, a 28-year-old entrepreneur, is always associated with the water caltrop because his company has created an entire industrial chain for the nut, one of the earliest domesticated crops in China.
Water caltrops are grown in East Asia for their unusual, edible seed pods. Each dark brown, hard pod contains a white, starchy nut. Rich in dietary fiber, amino acids and minerals such as iodine, the nuts not only have nutritional value but also can yield health benefits such as the prevention of thyroid problems.
Peng, then an undergraduate student at Huazhong Agricultural University, realized the business potential of growing water caltrops during a summer field trip to Tianjinghu Village of Huanggang City, Hubei Province, in 2016. That same year, he founded his company together with some schoolmates, which…