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United States Department of Agriculture

Agricultural Research Service

Title: Use of Fame to Distinguish Management Effects in Conventional and Organic Farming Systems

Authors
item Weyers, Sharon
item Archer, David
item Johnson, Jane
item Wilts, Alan
item Barbour, Nancy
item Eklund, James

Submitted to: Meeting Abstract
Publication Type: Abstract Only
Publication Acceptance Date: May 25, 2005
Publication Date: May 25, 2005
Citation: Lachnicht, S.L., Archer, D.W., Johnson, J., Wilts, A., Barbour, N., Eklund, J. 2005. Use of FAME to distinguish management effects in conventional and organic farming systems [abstract]. Soil Ecology Society. p. 63.

Technical Abstract: A large scale systems study on conventional and organic management systems was established. Two vs. four year crop rotations (corn-soybean, corn-soybean-wheat-alfalfa), inorganic vs. organic fertilizer sources, and conventional vs. strip tillage management practices were compared. Fatty acid methyl esters (FAME) were extracted from the top 10 cm of soil in spring samples collected over three years from initial plot establishment. FAME profiles were compared by principle component analysis to determine if management practices affected the microbial community.

Last Modified: 8/22/2014
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