Organic Farming: Conserving Top Soil
http://www.pbslearningmedia.org/resources/ess05/sci/ess/earthsys/organic/index.html


Fueled by economic pressure to maximize crop yields and government incentives to produce only one type of crop, contemporary American farmers have been facing a crisis reminiscent of one that hit the Great Plains in the 1930s. This video segment explains why more and more farmers are opting for sustainable, organic farming practices to help preserve the valuable topsoil that they rely on for their livelihoods, and that society relies on for a continuing supply of grains and produce. The segment is three minutes six seconds in length. A background essay and discussion questions are included.

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This resource originally cataloged at:

DLESE

Subject: Geoscience:Geology, Biology
Grade Level: Primary (K-2), High School (9-12), Middle (6-8), Intermediate (3-5)