Sasakawa's explanation

Explanation of razor clam farm: a farm for raising razor clam in coastal areas of Fujian and Guangdong. Li Mingzhizhen's Compendium of Materia Medica Introduction II: "Oysters are also small clams in the sea ... Fujian and Guangdong people live in the fields, which are called oyster fields."

Word decomposition

It shows that the clam (Sinonovacula sinensis) is a mollusk with a rectangular and light brown shell, which lives in coastal mud, and its meat is edible and delicious. (rudder) side: worm; Interpretation of field × land where crops are planted: field. Until the field. Agriculture: Tianjia. I used to hunt in ancient times. In ancient times, it was the same as "tenancy" and farming. Last name. Radical: Tian.