1.   One interesting potential source of energy in the Third World is the water hyacinth and other aquatic weeds.

2.   Aquatic weeds such as the wild hyacinths which choke canals and reservoirs in some parts of the world can also be used to produce biogas.

3.   He blames the district, which sprays herbicides on water hyacinths and other aquatic weeds.

4.   In addition, pesticides have been sprayed on nearby commercial forest lands and cranberry bogs, and on Willapa Bay to kill aquatic weeds and oyster parasites.

5.   Users of toxic chemicals in waterways of Northwest irrigation districts say there is no other proven, economical way to control aquatic weeds that threaten to choke canals.

6.   He complains he lacks emergency funding to eradicate the aquatic weed while the outbreak is small.

7.   The tangled masses of the aquatic weed strangle docks and clog waterworks.