water hyacinth

Concerns about alien creatures
Many surveys of the Association of Natural and Environmental Protection of Vietnam from 2012 to present on foreign organisms in Hanoi show that alien creatures spread in many areas
Use water hyacinth to make organic fertilizer
The project was implemented before the situation in Thua Thien - Hue, the water hyacinth grows strongly on lakes, rivers and streams, obstructing the flow, affecting the lives and