sentences:  The plant is floated on the water surface of filled (glassware) fishbowls, or glazed earthenware waterlily pots (hibachi pots serving as substitute).In the 1930s, water hyacinth was introduced into China as a feed, ornamental plant and sewage control plant, and it was widely planted in the south as an animal feed.Beginning in the 1980s, with the rapid development of China's inland industry, the eutrophication of inland waters has intensified.