Investigating the Effects of Chemical Fertilizers on Population Variations of Different Species of Earthworms

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Yahyaabadi Mojtaba; HAMIDIAN AMIR HOSSEIN; ASHRAFI SOHRAB

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Journal: Journal of Natural Environment Year:2019 | Volume:72 | Issue:2 Page(s): 227-238

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Title

Investigating the Effects of Chemical Fertilizers on Population Variations of Different Species of Earthworms

Author(s)

Yahyaabadi Mojtaba | HAMIDIAN AMIR HOSSEIN | ASHRAFI SOHRAB | Issue Writer Certificate

Keywords

EarthwormsQ1

AnecicQ1

EpigeicQ1

Chemical and organic fertilizersQ1

Abstract

Earthworms have been used for many toxicity assays and environmental assessments because of the remarkable role they play in biological, chemical and physical processes of the soil. The purpose of this study was to investigate the impact of chemical fertilizers on the density of Earthworms in the soil of an orchard. One square meter area was considered as experimental plot. Seven different types of fertilizers including urea, ammonium sulfate, diammonium phosphate, solupotas, NPK (15-5-25), NPK and organic manure were studied as experimental treatments, based on soil test. Abundances of worms were evaluated in two different times and in 2 depths of 0-20 and 20-40 cm of soil. In the first stage, 20 days after the addition of fertilizers, and in the second stage, 60 days after fertilization, Earthworms were sampled and their number changes were determined. Treatments were applied in three replications and the data were analyzed using one-way ANOVA (using the GLM process) by SPSS software. The results of the means comparison showed that in the 20th day, at 0-20 cm soil depth, E. fetida species abundance was decreased significantly in ammonium sulfate and urea treatments compared to the control plot (p˂ 0. 05). From Epigeic group, D. hortensis species showed more compatibility and its population in ammonium sulfate treatment was more than that of urea treatment. Results also showed that the Anecic L. terrestris, had a greater tolerance to chemical fertilizers compared to the A. Longa species.

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APA: Copy

Yahyaabadi, Mojtaba, HAMIDIAN, AMIR HOSSEIN, & ASHRAFI, SOHRAB. (2019). Investigating the Effects of Chemical Fertilizers on Population Variations of Different Species of Earthworms. JOURNAL OF NATURAL ENVIRONMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), 72(2 ), 227-238. SID. https://sid.ir/paper/376944/en

Vancouver: Copy

Yahyaabadi Mojtaba, HAMIDIAN AMIR HOSSEIN, ASHRAFI SOHRAB. Investigating the Effects of Chemical Fertilizers on Population Variations of Different Species of Earthworms. JOURNAL OF NATURAL ENVIRONMENT (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2019;72(2 ):227-238. Available from: https://sid.ir/paper/376944/en

IEEE: Copy

Mojtaba Yahyaabadi, AMIR HOSSEIN HAMIDIAN, and SOHRAB ASHRAFI, “Investigating the Effects of Chemical Fertilizers on Population Variations of Different Species of Earthworms,” JOURNAL OF NATURAL ENVIRONMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 72, no. 2 , pp. 227–238, 2019, [Online]. Available: https://sid.ir/paper/376944/en

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