Under this system, the barrels support the bamboo dredges, and as they move with the changes in the tides, they provide the young oysters with fresh feeding areas, thus enabling them to grow at a fast rate.
余廷基並且親自輔導他們採用平掛式和垂下式兩種養殖方法。四個月之後，就能夠收成了，全場淨賺了新台幣七十多萬元。其他村民見狀，紛紛改變心意，「重拾舊業」。