Production of vermifertilizer from guar gum industrial wastes by using composting earthworm Perionyx sansibaricus (Perrier)
作者： Surendra Suthar
DOI: 10.1007/S10669-007-9032-9
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摘要: Efforts have been made to convert the guar gum industrial waste into a value-added product, by employing new earthworm species for vermicomposting e.g. Perionyx sansibaricus (Perrier) (Megascolecidae), under laboratory conditions. Industrial lignocellulosic was amended with other organic supplements (saw dust and cow dung); three types of vermibeds were prepared: waste + cow dung + saw in 40: 30: 30 ratio (T1), 60: 20: 20 (T2,), 75: 15: 10 (T3). As compared initial concentrations, vermicomposts exhibited decrease C content (5.0–11.3%) C:N (11.1–24.4%) an increase total N (18.4–22.8%), available P (39.7–92.4%), exchangeable K (9.4–19.7%) contents, after 150 days vermicomposting. A coefficient (VC) used compare experimental control (composting). P. maximum value mean individual live weight (742.8 ± 21.1 mg), biomass gain (442.94 ± 21.8 mg), growth rate (2.95 ± 0.15 mg day−1), cocoon numbers (96.0 ± 5.1) reproduction (cocoons worm−1 day−1) (0.034 ± 0.001) T2 treatment. In T3 mortality (30.0 ± 4.01 %) population observed. Overall, vermibed appeared as ideal substrate manage effectively. Vermicomposting can be proposed low-input basis technology biofertilizer.
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