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增城市地处东江下游,珠江三角洲东北角,北回归线横过,属热带、亚热带季风气候区,雨量充沛,光照强,是广州市东部的淡水养鱼大市。据调查,增城市小楼镇正隆村罗国凡承包了一个山塘(面积167￣20hm2),配套养鸭10万只(一年养二批),年总收入175万元(其中水产品15万元)。现将鱼鸭混养
Zengcheng City is located in the lower reaches of the East River, the northeast corner of the Pearl River Delta, the Tropic of Cancer crossed across, is a tropical and subtropical monsoon climate zone, abundant rainfall, strong light, is the eastern Guangzhou freshwater fish market. According to the survey, a small pond by the town of Zhenglong Village Luo Guofan contracted a pond (area 167 ~ 20hm2), supporting ducks 100,000 (one year to raise two batches), the total annual income of 1.75 million yuan (of which 150,000 yuan of aquatic products ). Now duck polyculture