I think you need to check it ...
Published by Yashwant Rawat, Federal TVET Institute, Addis Ababa, Ethiopia
I think you need to check it out from South Africa, they have done a lot of work on it to eradicate it from the water bodies.
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A Nutrient Management Plan for the contributing water basin could be used to help prevent the rapid growth of the hyacinth. Then a harvesting and composting program could take the nutrients out of the river and recycle the nutrients for agricultural use.
Published by Stephen Cook