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Water Hyacinth Project Turns Nuisance Plant into Potential Source of Biogas
Water hyacinth is considered the most productive plant on earth as it yields more than 200 tons of dry matter per hectare per year under normal conditions. On water containing high concentrations of sewage, it yields up to 657 tons of dry matter per hectare.

In Dianchi Lake in Kunming City, the provincial capital of China’s Yunnan Province, water hyacinth is considered a nuisance plant thanks to the lake's polluted water and the growth of the aquatic plant is one of the lake’s biggest problems.

Currently, there are several popular methods for preventing the spread of, or eradicating the water hyacinth: biological, chemical and physical control. A new study could add prove that this nuisance plant may be useful for biogas productions.

The study wanted to find out whether biogas is a cost-effective method to control the noxious weed, help clean up water pollution, and generate a source of renewable energy.


 
 


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Hydrilla threatens the Finger Lakes - The plant hydrilla, was found late last summer in the creeks at the south end of Cayuga Lake at Ithaca. An initial control effort to beat it back last fall had failed and New York state officials have said they can only promise $50,000 in state money and possibly $380,000 in federal money could come through for this year as well.


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