广东省珠江三角洲池塘养鱼业历史悠久,早在15世纪中叶就已初步形成了循环经济的形态,在此后数百年的社会进化中逐渐成熟,绵延至当代。主要内容:一是采用基塘相结合的生产模式,即塘内养鱼,塘基种植,塘泥作为农作物肥料,农作物的茎叶作为鱼饲料;二是筛选了以“四大家鱼”为主的多 The pearl fish farming industry in the Pearl River Delta of Guangdong Province has a long history. As early as the middle of the 15th century, the circular economy has basically taken shape. In the centuries afterwards, the social evolution gradually matured and reached the present age. The main content: First, the combination of Ji Tong production model, that pond fish, pond-based cultivation, ponds as crop fertilizer, crop stems and leaves as a fish feed; the second is to screen the “four big fish” -based many