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The Effect of Soil pH on the Living Conditions
In Lumbricus terrestris

Abstract
The difference in soil pH weighs a heavy measure on the appearance of the earthworm Lumbricus terrestris in different areas of soil. A highly acidic or highly alkaline soil may be the underlying reason for the absence of this earthworm in certain areas where pH plays a large role. In this experiment, soil pH was altered with Miracid—a soil acidifier and Agricultural Limestone—a soil correctional for acidic soil. This was done to test the effects pH would have on the living conditions of Lumbricus terrestris over a twenty-one day period. The experiment shows the fluctuation of numbers on a daily and weekly basis verifying the theory that the earthworm prefers a soil with a pH between 6.0 and 7.0. In summary, this paper provides a three week synopsis of a closed experiment showing the preference of soil pH for the earthworm Lumbricus terrestris.
KEY WORDS: Lumbricus terrestris, earthworm, soil,......

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Approximate Word Count: 2211
Approximate Pages: 9 (250 words per double-spaced page)

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