珠江三角洲的顺德、南海等地自宋朝始就大面积挖塘养鱼,并在塘基上栽种桑树、甘蔗等作物,形成珠江三角洲历史上独特的、为联合国所推崇的人工生态形式——桑基鱼塘、蔗基鱼塘生态农业。然而,历史上渔农一直都是用龙骨水车、人力车水灌排,人工挑泥或戽泥清淤,十分辛劳。而且塘鱼 In the Pearl River Delta, Shunde and the South China Sea, large areas of pond fish were dug up from the Song dynasty, and crops such as mulberry trees and sugar cane were planted on the ponds to form the unique and artificial ecological form in the history of the Pearl River Delta, Fish ponds, cane fish ponds ecological agriculture. However, the history of fishermen and peasants has always been keel waterwheel, rickshaw irrigation, man-made mud or mud dredging, very hard. And pond fish