permaculture

[Mark <mpludwig@facstaff.wisc.edu>]

> Date: Mon, 11 Nov 2002 09:39:17 -0600
> From: "Laura.Paine" <laura.paine@ces.uwex.edu>
> Subject: RE: [grazersedge] CRP vs grazing
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> Hello everyone,
>
> I'm not aware of any direct comparisons of CRP and MiG, but there have been
> several studies looking at conversion of former CRP fields into pasture.
> The results of these vary, probably more as a result of the grazing
> management practices than anything else.  A study done in NY showed no
> difference in erosion, one done in Missouri showed no erosion differences,
> but increases in runoff when CRP fields were grazed or hayed, one in Wyoming
> showed more erosion.  This makes the point that this is all site specific
> and management specific, but one thing that everyone can agree on, I think,
> is that both CRP and MiG are significantly better than crop ground, even
> no-till crop ground.
>
> Here in Wisconsin, we compared grazed vs. ungrazed/buffered riparian areas
> and found that streambanks that had well-managed grazing applied controlled
> erosion as well as grassy buffer strips and had less erosion than unmanaged
> streambanks that had been allowed to grow up to trees.
>
> We also found in several of our studies that more species of grassland birds
> are attracted to the habitat structure created by grazed or harvested
> grasslands than attracted to unmanaged grasslands, including CRP fields.
>
> The take home message here is that well-managed pasture is vastly superior
> to any other cropping system in terms of conservation value.  And that areas
> set aside specifically for conservation and wildlife purposes can often be
> improved using well-managed grazing.
>
> Here's a website that has some information on grasslands and wildlife:
>
> http://www.fb-net.org/FB/workshop/CRP-wild.htm
>
> Hope that's what you were looking for, Russ!
>
> Best regards,
> Laura
>
> Laura Paine
> Crops and Soils Agent
> Columbia County Extension
> 120 West Conant Street
> PO Box 567
> Portage, WI   53901-0567
> phone: 608/742-9682
> fax: 608/742-9862
> email: laura.paine@ces.uwex.edu
>
> An EEO/Affirmative Action Employer, UW-Extension provides equal
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> requirements
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>
>
> -----Original Message-----
> From: Russ Thompson [mailto:pmfb@mwt.net]
> Sent: Friday, November 08, 2002 7:13 AM
> To: grazersedge@yahoogroups.com
> Subject: [grazersedge] CRP vs grazing
>
>
>
>
> David McCartney wrote:
>
> > The information came from a grazing meeting I attended recently. One of
> the
> > speakers was the head of Michigan's NRCS. He presented a lot of brand new
> > research data that has helped them to write new grazing standards for the
> > state. Part of that info showed evidence that managed grazing lands had
> more
> > wildlife activity of certain species than did CRP ground.
>
> In Wisconsin studies have shown that CRP land results in
> more erosion than managed grazing land.
>      Maybe Laura P could help with a reference?
>
> Russ
> Wi
>
>
>
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Mark P. Ludwig
Poultry Research Lab
University of Wisconsin -Madison
608-262-1730 WK
608-846-7125 HM