EFFICIENT RECYCLING OF SUGARCANE BYPRODUCTS THROUGH INTEGRATED COMPOSTING

CH. S. RAMA LAKSHMI¹*, T. SREELATHA², A. SIREESHA³, M. BHARATHA LAKSHMI⁴, P. JAMUNA^5
1Regional Agricultural Research Station, Anakapalle, 531 001, Acharya N. G. Ranga Agricultural University, Lam, Guntur, 522034, Andhra Pradesh, India
²Regional Agricultural Research Station, Anakapalle, 531 001, Acharya N. G. Ranga Agricultural University, Lam, Guntur, 522034, Andhra Pradesh, India
³Regional Agricultural Research Station, Anakapalle, 531 001, Acharya N. G. Ranga Agricultural University, Lam, Guntur, 522034, Andhra Pradesh, India
⁴Regional Agricultural Research Station, Anakapalle, 531 001, Acharya N. G. Ranga Agricultural University, Lam, Guntur, 522034, Andhra Pradesh, India
⁵Regional Agricultural Research Station, Anakapalle, 531 001, Acharya N. G. Ranga Agricultural University, Lam, Guntur, 522034, Andhra Pradesh, India
* Corresponding Author : sitaramalakshmi20@yahoo.com

Received : 02-09-2019     Accepted : 13-09-2019     Published : 15-09-2019
Volume : 11     Issue : 17       Pages : 9004 - 9006
Int J Agr Sci 11.17 (2019):9004-9006

Keywords : Organic residues, Sugarcane crop
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Regional Agricultural Research Station, Anakapalle, 531 001, Acharya N. G. Ranga Agricultural University, Lam, Guntur, 522034, Andhra Pradesh, India
Author Contribution : All authors equally contributed

The present study was formulated for integrated composting of sugarcane by products through treatment with microorganisms and subsequent vermicomposting. The present investigation was carried out at Regional Agricultural Research Station, Anakapalle, Visakhapatnam district of Andhra Pradesh, India during 2013-14. The basic raw materials used for vermicomposting and integrated composting are bagasse, press mud cake and cane trash. Earthworm species used for vermicomposting was Eisenia foetida. Whereas in integrated composting both compost culture and earthworms were used for composting of sugarcane byproducts/wastes. As a accelerator 5 % dung slurry was used in both the methods of composting. The total organic carbon and C:N ratio decreased and total nitrogen increased significantly during maturation of the compost irrespective of the sources and methods of composting. The use of earthworms narrowed the C:N ratio in vermicomposting and it was further reduced in integrated composting by action of both microbes and earthworms. Percent increase of total nitrogen and decrease of C:N ratio was more in integrated composting over vermicomposting. Reduction in pH was observed in all matured composts compared to their initial values might be due to production of organic acids during decomposition. Among different byproducts the total NPK content in both the composting methods was highest in press mud cake with narrow C/N ratio and the reverse trend was followed in cane trash. Integrated compost obtained from decomposition of organic residues possessed significantly narrow CN ratio than that of vermicompost obtained from the decomposition of sugarcane byproducts. Which was probably due to the coupled effect of microbes and earthworms.

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