Bioconversion of eucalyptus bark waste into soil conditioner
K R Yadav1, R K Sharma, R M Kothari
1Prathista Industries Ltd, Secunderabad, India.
Abstract:
An optimized protocol for the bioconversion of eucalyptus bark was devised. It comprised: (i) mechanical reduction in bark size to 0.5-3.0 cm, (ii) moistening to 60-65%, (iii) fortification with ligninase-rich fungus Volvariella sp. (S-1) and 2% urea and (iv) maintenance of this composting mix under aerobic and ambient condition for 14-15 weeks. The resulting bark soil conditioner (BSC) was an easily crumbling, reddish brown biomass, with physico-chemical and microbial properties which would enrich soil fertility/productivity.
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