The Potential of Water Hyacinth (Eicchornia crassipes) from Hartbeespoort dam in Biogas and Soil Ameliorant production, as a Solution to Water Weed Challenges The Potential of Water Hyacinth (Eicchornia crassipes) from Hartbeespoort dam in Biogas and Soil Ameliorant production, as a Solution to Water Weed Challenges Posted in .