Archived posting to the Leica Users Group, 2009/08/17

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Subject: [Leica] IMG: Information Needed on Cause of Lawn Circle
From: chs2018 at med.cornell.edu (Chris Saganich)
Date: Mon, 17 Aug 2009 09:19:51 -0400
References: <978FB258646E44CAA3F682B552AF1BCE@jimnichols> <4A886765.9060101@gmx.de> <CB7F8BE8480548F485A19CAF801CA829@jimnichols> <3e7573d40908161508k144f2b77s8c6d2633b310ce30@mail.gmail.com>

Mushrooms


At 06:08 PM 8/16/2009, you wrote:
>Septic tank?
>
>Leo Wesson
>Photographer/Videographer
>817.733.9157
>www.leowesson.com
>
>
>On Sun, Aug 16, 2009 at 4:01 PM, Jim Nichols <jhnichols at 
>lighttube.net>wrote:
>
> > Hi Douglas,
> >
> > The only structure that ever adorned these lots before our houses was an
> > American Civil War earthwork on the opposite end of my lot, overlooking 
> > the
> > roadside at that time.  That disappeared forty years ago.
> >
> > Thanks for the feedback.
> >
> > Jim Nichols
> > Tullahoma, TN USA
> > ----- Original Message ----- From: "Douglas Sharp" <douglas.sharp at 
> > gmx.de>
> > To: "Leica Users Group" <lug at leica-users.org>
> > Sent: Sunday, August 16, 2009 3:09 PM
> > Subject: Re: [Leica] IMG: Information Needed on Cause of Lawn Circle
> >
> >
> >  Hi Jim,
> >>
> >> have you had very little rain recently?
> >>
> >> This looks like what happens when some kind of structure is at shallow
> >> depth below the surface. Both sides stiil get enough water from deeper
> >> in the ground, but above the structure everything dies off. Very useful
> >> for archaeologists but not so good for a nice green lawn.
> >>
> >> Could be an old wall or foundations, the rim of an old pond (hard packed
> >> clay), an old farm building or similar.
> >>
> >> If there's been a lot of construction work with pretty deep foundations
> >> being dug or pipelaying in the neighbourhood, it could mean that the
> >> groundwater table has fallen.
> >>
> >> We had a similar effect in our garden caused by "lenses" of clay and
> >> sand. These filled with rainwater and made circular areas that wobbled
> >> like quicksand. I had to dig a criss-cross of trenches almost 3-feet
> >> deep through the garden to get it draining properly.
> >>
> >> Cheers
> >> Douglas
> >>
> >>
> >>
> >> Jim Nichols wrote:
> >>
> >>> I know there are many knowledgable people on these two lists. I am
> >>> looking for a hint on the cause of a circle of dead grass that 
> is very well
> >>> defined on my lawn and extends, faintly, into the adjoining lawn.
> >>>
> >>> I recall that a cherry tree once existed in this general area in the
> >>> neighboring lawn. I had a maple in my yard that was damaged by 
> a wind storm
> >>> and removed.  However, neither of these was near the center of 
> the circle.
> >>>  I have heard that maple roots can cause problems in grass, but no
> >>> previously-existing root circle matches what I now observe.
> >>>
> >>> Anyone got a suggestion?
> >>>
> >>> http://gallery.leica-users.org/v/OldNick/Lawn+Circle.jpg.html
> >>>
> >>> Jim Nichols
> >>> Tullahoma, TN USA
> >>>
> >>> _______________________________________________
> >>> Leica Users Group.
> >>> See http://leica-users.org/mailman/listinfo/lug for more information
> >>>
> >>>
> >>>
> >>
> >
> >
> > 
> --------------------------------------------------------------------------------
> >
> >
> >
> >
> >> _______________________________________________
> >> Leica Users Group.
> >> See http://leica-users.org/mailman/listinfo/lug for more information
> >>
> >
> >
> >
> > _______________________________________________
> > Leica Users Group.
> > See http://leica-users.org/mailman/listinfo/lug for more information
> >
>
>_______________________________________________
>Leica Users Group.
>See http://leica-users.org/mailman/listinfo/lug for more information



Replies: Reply from douglas.sharp at gmx.de (Douglas Sharp) ([Leica] IMG: Information Needed on Cause of Lawn Circle)
Reply from sonc.hegr at gmail.com (Sonny Carter) ([Leica] IMG: Information Needed on Cause of Lawn Circle)
In reply to: Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] IMG: Information Needed on Cause of Lawn Circle)
Message from douglas.sharp at gmx.de (Douglas Sharp) ([Leica] IMG: Information Needed on Cause of Lawn Circle)
Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] IMG: Information Needed on Cause of Lawn Circle)
Message from leowesson at gmail.com (leo wesson) ([Leica] IMG: Information Needed on Cause of Lawn Circle)