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Earthworm fecal pellets




ID # 161

Earthworm fecal pellets
From the Soil Micromorphology Slide Collection

STEM Standard addressed: ESS2E - Biogeology


Appropriate Grade Level(s)
  • College-level
Materials are best used for
  • Classroom Lectures
  • Laboratory Activities
General Course Areas
  • Soil Microbiology
Description
Description of slide: Earthworm fecal pellets (1000 pm)

Data for the horizon
Horizon sampled: A
Depth sampled: 0-10 cm
Physical and chemical data: OC = 3.0%, bulk density = 1 .3 g/cc
Data for thin section
Preparation of sample: Air dry
Impregnating medium: Epoxy
Thickness of section: 40 µm
Size of section: 5 x 7 cm
Orientation of section: Horizontal

Soil Classification
U.S.: Typic Haputdalf (Russell series)

Physiographic position: Upland till plain
Parent material: Till
Vegetation: Virgin deciduous forest - oak, hickory

Method
Data for 35-mm slide
Magnification: 10 X
Light mode: Plane polarized

References
S. J. Livingston, L. D. Norton and L. T. West. 1 990. Effect of long-term cultivation on aggregate stability, organic carbon distribution, and porosity of two soil series. p. 89-95. In L.A. Douglas (ed.) Soil micromorphology: A basic and applied science. Proc. 8th Inter. Working Meeting on Soil Micromorphology, San Antonio (1 988). Elsevier, Amsterdam. Source: S. Livingston and L. D. Norton

Slide BF 17. Soil Science Society of America, 1993. A Reference Slide Collection for Soil Micromorphology SSSA, Madison, WI.

Peer Review: Yes

Credit this item to: SSSA
Media Date: 1993-01-01
Provided By: (SSSA) Soil Science Society of America


Author(s)/Creator(s)

  • * Soil Science Society of America
    SSSA

Submitted By: (SSSA) Soil Science Society of America


Keywords

  • Biological Features
  • A
  • micromorphology
  • Earthworm

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