Author(s): MD.N. ALI

Abstract: An experiment was conducted to investigate the quality parameters with respect to macro and micronutrients content and microbial population of vermicompost produced from different feeding stock. Four feeding stocks (60 kg each) i.e straw (T1), water hyacinth (T2), hybrid napier (T3), and green gram (T4) were used to prepare vermicompost following standard procedure using red worm (Eisenia foetida [Eisenia fetida]). The time taken for the production of compost by E. foetida was least (24 days) in the case of water hyacinth and longest (46 days) in straw. Macro elements content were found maximum in green gram (1.33% N2; 1.06% P205 and 0.9% K2O). Each micronutrient recorded maximum in water hyacinth (485 ppm Zn; 34 ppm Cu; 719 ppm Mn and 2851 ppm Fe) and were minimum in green gram except Cu. With respect to microbial count, water hyacinth recorded the highest followed by green gram. Considering both macro and micro nutrient content, co-composting of green gram and water hyacinth could be ideal for getting better quality vermicompost.

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