So the water hyacinth will be useful: that's the idea.
There's a similar plan to make paper from water hyacinth in Bangladesh.
The water hyacinth, a plant not native to the lake, also poses a major problem.
The same sort of thing happened to those once-thought-beautiful water hyacinths.
There was just one problem with his plan: the water hyacinths would not grow in the alien soil.
Reports have shown this to be an effective method in controlling water hyacinth.
Other vegetation, such as water hyacinths, have clogged the lake over the years.
The river bed is full of sludge, garbage and vegetation growth like water hyacinth in many parts.
Hey, water hyacinths aren't called the survival flower for nothing.
Islands of water hyacinths floated past in the drowsy current.