Good literature on cropping systems diversification

STEVE ROBERT SIMMONS (SSIMMONS@maroon.tc.umn.edu)
Wed, 25 Aug 93 15:16:26 -0500

I am relatively new to the sustainable agriculture network and am interested in
knowing of good review references regarding temporal and spatial diversification
of grain cropping systems in the U.S. Anyone who has a good reference to
suggest please send the citation to:

ssimmons@staff.tc.umn.edu

Thank you.
Steve Simmons
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