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滿江紅(綠萍)在我国华东、东南、西南諸省均有分布。各地除捞取喂猪外,在浙江南部以及福建、广东、广西、四川等省所轄的一些地方,則有养殖作为水稻肥料的习慣。养殖滿江紅肥田,在浙江南部地区,早受群众欢迎。养殖面积,已由解放初的40～50万亩逐年扩大到1962年的100万亩左右。由原来多限于溫州、瑞安、平阳三个县(市)养殖,而扩大至乐清、青田、云和等县。1962年浙北
Azolla (Green Ping) in China’s east, southeast and southwest provinces are distributed. In addition to feeding pigs around, in southern Zhejiang and Fujian, Guangdong, Guangxi, Sichuan and other provinces under the jurisdiction of some places, there is the habit of farming as a fertilizer for rice. Manchurian red soil farming, in southern Zhejiang Province, as early as welcomed by the masses. The area of breeding has been expanded from 40 to 500,000 mu at the beginning of the liberation year by year to about 1 million mu in 1962. From the original limited to Wenzhou, Ryan, Pingyang three counties (cities) breeding, and expanded to Yueqing, Qingtian, cloud and counties. 1962 North Zhejiang