Earthworm abundance and diversity in different cropping systems under organic and conventional farming

dc.contributor.advisorAulakh, R. K.
dc.contributor.authorArshpreet Kaur
dc.date.accessioned2022-08-01T05:06:20Z
dc.date.available2022-08-01T05:06:20Z
dc.date.issued2021
dc.description.abstractEarthworms form an integral part of the soil ecosystem, contributing to the development of soil structure, nutrient cycling, pedogenisis, water regulation and pollution remediation. The present study is an attempt to assess the earthworm abundance and diversity in the different cropping systems (i.e. basmati-wheat, basmati-chickpea, soybean-wheat, moong-wheat) under organic and conventional farming systems in the fields of Punjab Agricultural University, Ludhiana. The four earthworm species found during the study period are Metaphire posthuma, Lampito mauritti, Amynthas morissia and Travoscolides chengannure. which belong to two families i.e. Megascolicidae and Octochateidae. Out of these Travoscolides chengannure was reported for the first time in Punjab. The results indicate that richer earthworm diversity is found in the organic farming systems as compared to the conventional farming systems. The overall abundance of earthworms (60.4%) in organic farming system was more as compared to the conventional (39.5%) farming system. The present study reveals that the management practices adopted for conventional farming like chemical fertilizers and pesticides had a negative effect on the earthworm population which might be the reason for less abundance and diversity of earthworm species in conventional fields. The correlation analysis of earthworm abundance with the physicochemical parameters of soil in different farming systems has revealed that the abundance of earthworms in organic farming system shows positive but non-significant correlation with pH, nitrogen and potassium levels while negative correlation was observed for electric conductivity, organic carbon and phosphorus. In conventional farming system, significant positive correlation (p≤0.01) was found for organic carbon, electric conductivity and nitrogen.en_US
dc.identifier.citationArshpreet Kaur (2021). Earthworm abundance and diversity in different cropping systems under organic and conventional farming (Unpublished M.Sc. thesis). Punjab Agricultural University, Ludhiana, Punjab, India.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810185984
dc.keywordsEarthworms, Diversity, Abundance, Organic, Conventional, Cropping Systemen_US
dc.language.isoEnglishen_US
dc.pages69en_US
dc.publisherPunjab Agricultural University, Ludhianaen_US
dc.research.problemEarthworm abundance and diversity in different cropping systems under organic and conventional farmingen_US
dc.subZoologyen_US
dc.themeEarthworm abundance and diversity in different cropping systems under organic and conventional farmingen_US
dc.these.typeM.Scen_US
dc.titleEarthworm abundance and diversity in different cropping systems under organic and conventional farmingen_US
dc.typeThesisen_US
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