الاثنين، 23 أبريل 2012

damage cauced by the water haycinth


Hyacinth is being used recently in the poaching of fish and that by identifying the area to be abusing the timber long and a hyacinth within it to grow and reproduce Besorth cancer to be after the transfer of poultry and dead animals into the water and put it down hyacinth Vtkon factor to attract the fish easier then caught without look at the pollution caused by the presence of these dead animals in the water.
Solutions to the problem of water hyacinth
Different methods and control one and control the spread of water hyacinth used by some countries, including Nigeria to mechanical control, while other resorts, including Benin to biological control, while the resort of other countries including Egypt, to combine the two. And mechanical control says d / Fayad Yahya professor of biological control at the National Center for Research in Cairo, it is done by some machines that are de-hyacinth and fragmentation, these machines have cost Nigeria $ 1.75 million in the eighties.
The biological control is up to using the natural enemies of the plant from insects, has invented a new "Petrno Nschwandr" expert at the International Institute of Tropical Agriculture, Benin how to use the beetles that are placed on the water hyacinth to eat, have been recorded this way a remarkable success over mechanical control, but it did not succeed in eliminate it completely; for ease of vegetative propagation retail Any part separated from it multiplies and becomes a new plant. 

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