[permaculture] Fwd: [grazersedge] Re: Energy Reqs-Graze vs Grain

Mark mpludwig at facstaff.wisc.edu
Thu Mar 28 14:10:06 EST 2002


In light of our earlier talk on mathane I'll send this along.
Mark L


> > I don't see oil being used for ag as a problem.
> > However I would love to be able to blow methane
> > into my tractor as Mark Ludwig has suggested.
> >    I don't know how realistic it is but I would like to
> > see methane digesters get to the point that they are
> > cheap enough and small enough that they could be used
> > to power a small farm from that farms manure.
> >
> > Russ
> > WI
>
>Russ,
>
>You may know this,I'm not so sure the general public does, but the
>use of petroleum based products and natural gas are extremely high in
>agriculture.  I believe ag is the second biggest user next to
>transportation, but I could be wrong.  Regardless, it's a top user.
>It's not so much what we pour in our machines, but what is used
>directly/indirectly in producing fertilizers, herbicides, pesticides
>etc.  Some of the wetting agents for these sythetics continue to be
>petroleum based solvents such as napthalene.  Fertilizers such as
>anhydrous require huge volumes of natural gas.  The list is long.
>
>I didn't respond for that reason.  I met a man named Al Rutan who
>turned out to be the methane man.  (I didn't intend to make a song of
>it, that's just what came off the keyboard)!  He's a dairy farmer
>from Liberty Center Iowa.  He has successfully built small-scale
>methane digesters. He gave a presentation complete with diagrams and
>slides of his work.  He's a nuts and bolts kind of person.  I would
>venture to guess that much of his work has been emulated by the big
>boys.  I think you could say that he was methane, when methane wasn't
>cool!  He did a 5 part series of articles on it for Home Power
>Magazine.  They will allow you to download this information free,
>directly off the web.  They are at www.homepower.com  The articles
>are found as follows:
>
>Issue 26 page 24
>Issue 27 page 44
>Issue 28 page 39
>Issue 30 page 42
>Issue 40 page 82
>
>If a man had the initiative, I believe he could build himself a
>digester based on this information alone.
>
>Steve Heyer
>SE WI
>
>
>
>------------------------ Yahoo! Groups Sponsor ---------------------~-->
>Buy Stock for $4.
>No Minimums.
>FREE Money 2002.
>http://us.click.yahoo.com/BgmYkB/VovDAA/ySSFAA/S8XolB/TM
>---------------------------------------------------------------------~->
>
>Since time is important, please reduce the number of lines from previous 
>posts you reply to, and use an accurate subject line.
>Post message: grazersedge at egroups.com
>Subscribe: grazersedge-subscribe at egroups.com
>Unsubscribe: grazersedge-unsubscribe at egroups.com
>List owner: grazersedge-owner at egroups.com
>Our homepage: http://www.egroups.com/group/grazersedge
>
>
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/

Mark P. Ludwig
Poultry Research Lab
University of Wisconsin -Madison
608-262-1730 WK
608-846-7125 HM




More information about the permaculture mailing list