Comparison of techniques for organic manure production from plantation wastes
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2007-02-08
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The studies on organic manure preparation from plantation wastes viz. coir pith, areca wastes and coffee husk revealed that recovery per cent was highest in case of coffee husk followed by areca waste and coir pith. Highest recovery was recorded using chemical technique followed by anaerobic, aerobic and lastly microbial (Pleurotus sajor caju) technique. The C/N ratio was found to be the least in areca waste (7.82) and amongst the methods of composting, it was aerobic method (8.73). The nutritive value (N, P, K, Ca and Mg) of final compost was found to be more than the base material used. The pith - fibre ratio decreased to as low as 3.3 from initial value of 7.3 after composting of coir pith. The microbial load was higher for areca and coffee husk compost over their base materials. The cost of preparation of organic manure was found to be the least in chemical followed by anaerobic technique.
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J.Plantn.Crops 1998 v-26 i-2 p-120-126