The significant differences between daytime and nighttime temperatures that result yield especially plump vegetables. The wonderful flavor of Sanxing scallions is the fruit of the hard work of the farmers 'association and local farmers.
又，受溪流沖刷形成的板粘岩沖積土，由於土壤層較薄而底下的礫石層發達，具有天然的排水性，尤其適合怕熱又怕濕的蔥、蒜生長。