Spelling suggestions: "subject:"hyacinths effect off water pollution ono"" "subject:"hyacinths effect off water pollution onn""
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The effect of nutrient rich water on the biological control of water hyacinthOberholzer, Izak Gerhardus 08 October 2007 (has links)
Please read the abstract on p1 of the document 00dissertation / Dissertation (M Inst Agrar (Sustainable Insect Management))--University of Pretoria, 2007. / Zoology and Entomology / M Inst Agrar / unrestricted
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