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Potential utilization of guar gum industrial waste in vermicompost [An article from: Bioresource Technology]
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This digital document is a journal article from Bioresource Technology, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Recycling of guar gum industrial waste through vermitechnology was studied under laboratory conditions by using composting earthworm Perionyx excavatus (Perrier). Three different combination of guar gum industrial waste namely guar gum industrial waste:cow dung:saw dust in 40:30:30 ratio (T"1), guar gum industrial waste:cow dung:saw dust in 60:20:20 ratio (T"2), and guar gum industrial waste:cow dung:saw dust in 75:15:10 ratio (T"3) were used for vermicomposting experiments. Chemical changes during vermicomposting were measured and comparatively T"2 showed great increase (from its initial level) for total N (25.4%), phosphorus (72.8%) and potassium (20.9%) than the other treatments. T"2 also showed higher vermicomposting coefficient (VC), higher mean biomass for P. excavatus (146.68mg) and higher cocoon production (about 21.9% and 645.5% more than the T"1 and T"3, respectively). Maximum earthworm mortality during vermicomposting was recorded with T"3 treatment while zero mortality was recorded for T"2 treatment after150 days. Overall, T"2 treatment appeared to be an ideal combination for enhancing maximum biopotential of earthworms to management guar gum industrial waste as well as for earthworm biomass and cocoon production.
Description:
Recycling of guar gum industrial waste through vermitechnology was studied under laboratory conditions by using composting earthworm Perionyx excavatus (Perrier). Three different combination of guar gum industrial waste namely guar gum industrial waste:cow dung:saw dust in 40:30:30 ratio (T"1), guar gum industrial waste:cow dung:saw dust in 60:20:20 ratio (T"2), and guar gum industrial waste:cow dung:saw dust in 75:15:10 ratio (T"3) were used for vermicomposting experiments. Chemical changes during vermicomposting were measured and comparatively T"2 showed great increase (from its initial level) for total N (25.4%), phosphorus (72.8%) and potassium (20.9%) than the other treatments. T"2 also showed higher vermicomposting coefficient (VC), higher mean biomass for P. excavatus (146.68mg) and higher cocoon production (about 21.9% and 645.5% more than the T"1 and T"3, respectively). Maximum earthworm mortality during vermicomposting was recorded with T"3 treatment while zero mortality was recorded for T"2 treatment after150 days. Overall, T"2 treatment appeared to be an ideal combination for enhancing maximum biopotential of earthworms to management guar gum industrial waste as well as for earthworm biomass and cocoon production.
