Physicochemical and micronutrients properties of vermicompost produced from municipal solid waste in National Thermal Power Corporation, Barh, Bihar, India

Ranjan Kumar Mishra; Sunil Kumar Choudhary; Prashant Chandra Kumar; Bishnu Dev Das; Ruby Kumari

doi:10.18203/issn.2454-2156.IntJSciRep20194250

Authors

Ranjan Kumar Mishra Department of Botany, Tilka Manjhi Bhagalpur University, Bhagalpur, Bihar
Sunil Kumar Choudhary Department of Botany, Tilka Manjhi Bhagalpur University, Bhagalpur, Bihar
Prashant Chandra Kumar CCD III NTPC Barh, Bihar
Bishnu Dev Das Department of Botany, Mahendra Morang Aadarsh Multiple Campus Biratnagar, Tribhuvan University, Nepal
Ruby Kumari Department of Botany, Tilka Manjhi Bhagalpur University, Bhagalpur, Bihar

DOI:

https://doi.org/10.18203/issn.2454-2156.IntJSciRep20194250

Keywords:

Vermicompost, Physicochemical, Micronutrients, NTPC, India

Abstract

Background: The present study has been carried out to investigate the physicochemical and micronutrients properties of vermicompost generated from the major municipal biodegradable solid waste (fruits and vegetables) by using two common species of earthworm i.e., Eisenia foetida and Eudrilus eugenia in National Thermal Power Corporation (NTPC), Barh, Bihar (India).

Methods: Compost pH was measured in distilled water (free of CO₂) using 10 g of compost sample and 25 ml distilled water (ratio 1:2.5). The suspension was agitated for 3-5 min and placed for half an hour before measuring the pH value with a glass. Organic carbon was measured by Walkey and Black method, total N by Kajeldahl method, P₂O₅ was determined by means of colorimetric method and K₂O, Cu, Zn, Mo, Mn, Fe and B were determined by the means of Hi Media Kit.

Results: Among the micronutrients in harvested vermicompost, increase in Zn, Cu and B contents and slight decrease in Mo content were observed when compared to standards given in soil health card of the State Government of Bihar. Mn and Fe were found to be critical in the harvested vermicompost samples. The level of boron (B) in vermicompost was found much higher than the required availability in the soil.

Conclusions: On the basis of overall physicochemical as well as micronutrients properties of the vermicompost prepared in NTPC is of better quality in compared to the other vermicompost.

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