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- Title
Preparation and Characterization of Lake Biomass Compost Enriched with different Sources.
- Authors
SHALINI; SATHISH, A.; VASANTHI, B. G.; DASHAVANT, PREMANAND B.; GOWDA, J. VENKATE
- Abstract
A study was conducted in the Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences, Gandhi Krishi Vigyan Kendra, Bengaluru. For the compost preparation lake biomass such as water hyacinth and alligator weed was collected from the selected lakes and used as raw materials. Cow dung, the major accelerator for compost preparation and microbial inoculum (Pleurotus sajorcaju, Phanerochaete chrysosporium and Trichoderma harzianum) was used as components to hasten the rate of decomposition. Initial chemical composition of sources and after preparation of lake biomass compost (LBC), were analysed for physico-chemical and biochemical changes at different stages of composting. The matured compost was nearly neutral (6.93) with dark brown colour and there was increase in nutrient composition of compost during all the stages of composting, highest nutrient content of nitrogen (1.73 %), phosphorus (0.92 %) and potassium (2.87 %) along with secondary and micronutrients along with reduction in lignin and cellulose content at the end of composting process. Further, the LBC was enriched with different sources (neem cake, single super phosphate and microbial consortium) for 15 days. After enrichment compost was analysed for many parameters. Results of the study revealed that there was increase in nutrient composition of enriched compost compared to the compost without enrichment. Maximum nutrient content was recorded in MNSE-LBC (microbial consortium + neem cake + SSP enriched lake biomass compost) followed by SSPELBC (single super phosphate enriched lake biomass compost) with maximum nitrogen, phosphorus and potassium of 1.91, 1.52 and 3.10 per cent, respectively. Hence, lake biomass compost can serve as organic source to supply nutrients to crops specially for urban farmers who are in need of organic sources and the waste generated from the lakes can be better utilized.
- Subjects
COMPOSTING; SOIL science; BIOMASS; PHANEROCHAETE chrysosporium; RAW materials; WATER hyacinth
- Publication
Mysore Journal of Agricultural Sciences, 2023, Vol 57, Issue 4, p290
- ISSN
0047-8539
- Publication type
Article