Locally, the Kuant'ien Farmer's Association has been promoting the use of the ling chiao through such events as taste meetings, where ling chiao food dishes are tested, and in other projects like researching canning methods.
農林廳最近擬定一個特殊作物計畫，計畫中，官田鄉的菱角，與麻豆的酪梨、白河的蓮子，同被列為積極輔導、推廣的農作。