In fact, it is not only Wushulin in Tainan County. From a high point of some 40 sugar refineries, the overall number has gradually diminished. It is estimated that by the end of 2005 the domestic production of sugar will have declined to 120,000 metric tons. The company-operated farms of TSC will be responsible for 70,000 tons and the contract production output will be 50,000 tons.
事實上，不只是台南縣烏樹林，我國製糖廠由極盛時期的四十餘所逐步縮減，預計到九十四年底，國內砂糖產量將減少為十二萬公噸，其中包括台糖公司自營農場七萬公噸，以及契約耕作五萬公噸。