Comparative Study on Nutrient Composition and Biological Activity of Vermiwash Obtained from Different Organic Wastes
Kaur R, Rani N, Garcha S, Shilpa, Sidhu AS and Walia SS
DOI: 10.5281/zenodo.21757705
ABSTRACT
This study optimized vermiwash production using Eisenia fetida from organic substrates rice straw + cow dung (1:1), wheat straw + cow dung (1:1), kitchen waste + cow dung (1:1), neem leaves + cow dung (1:1), and pure cow dung in a drip-irrigated earthen pot system at Punjab Agricultural University, Ludhiana. Kitchen waste vermiwash demonstrated superior nutrient enrichment (elevated NPK, micronutrients), microbiological (peak microbial populations, enzyme activities), and biochemical profiles (maximum proteins, pigments, sugars) across treatments (p<0.05). Kitchen waste's labile nutrients enhanced earthworm-microbial synergy over lignocellulosic straws and stabilized cow dung, positioning vermiwash as an optimal organic biostimulant for sustainable agriculture.
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