Earthworm Diversity and Their Influences on Soil Enzyme Activities in Organic, Sustainable and Conventional Farming Systems of Puducherry

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  • M SUDHAKARAN Department of Environmental Sciences, J.K.K. Munirajah College of Agricultural Sciences, TN Palayam, Gobichettipalayam, Erode - 638 506, Tamil Nadu, India
  • D RAMAMOORTHY Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry - 605 014, India
  • V SAVITHA Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry - 605 014, India
  • M KOKILA Department of Seed Science and Technology, Kumaraguru Institute of Agriculture, Sakthi Nagar, Erode - 638 315, Tamil Nadu, India


Coastal agro-ecosystem, Earthworm diversity, Organic farming, Soil enzymes


An experiment was conducted to study the earthworm diversity and its influence on soil enzyme activities in organic, sustainable and conventional farming systems in the state of Puducherry. A total of five earthworm species namely Drawida willsi, Drawida scandens, Lampito mauritii, Perionyx excavates and Eudrilus eugeniae were present in the study sites. Four species were found in conventional and sustainable farming and five species were found in organic farming. Earthworm species diversity, population, species dominance, and biomass were significantly higher in organic farming systems compared to sustainable and conventional farming systems. In addition, soils from organic farming showed higher activity of urease, alkaline phosphatase, β-glucosidase, cellulase, invertase and xylanase activities and they had a significant positive correlation with earthworm population and biomass. Our results revealed that the presence of earthworms strongly affected enzyme activities in soil. Earthworm casts probably contributed to the enrichment of plant-available nutrients and higher soil enzyme activities in organically managed soils.


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How to Cite

SUDHAKARAN, M., RAMAMOORTHY, D., SAVITHA, V., & KOKILA, M. (2023). Earthworm Diversity and Their Influences on Soil Enzyme Activities in Organic, Sustainable and Conventional Farming Systems of Puducherry. Journal of the Indian Society of Coastal Agricultural Research, 40(2), 58–68.