Learning Objectives


The goal of this application is for students to understand geographically where soil addition of municipal organic wastes occurs and how this addition affects soil profile development and the use of soils as a sustainable resource.


  1. Identify which constituents in organic wastes are of concern in terms of environmental pollution.
  2. Identify which constituents may lead to an improvement in profile development and soil sustainability
  3. Identify the effects of biota/organisms on soil formation.

Lesson map of application scenario on Agroecosystems. Highlighted in red on the map are concepts addressed in this application lesson. Image courtesy of UNL, 2006

This lesson was developed by Martha Mamo, Timothy Kettler, and Dennis McCallister at the University of Nebraska-Lincoln; Jim Ippolito at Colorado State University; Ron Reuter at Oregon State University; Christoph Geiss at Trinity College-Connecticut; and William Zanner at the University of Minnesota. Development of this lesson was supported by the National Science Foundation Course, Curriculum, and Laboratory Improvement Program (NSF-CCLI), Award Number DUE-0042603. Any opinions, findings, conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of NSF.

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