Soil compaction at log landings

• To: FOREST mail list <forest@nic.funet.fi>
• Subject: Soil compaction at log landings
• From: "James T. Gabriel" <76654.720@compuserve.com>
• Date: Wed, 17 May 1995 10:54:21 -0400 (EDT)
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• Resent-Date: Wed, 17 May 1995 10:54:21 -0400 (EDT)
• Resent-From: forest-owner@nic.funet.fi
• Resent-Message-Id: <01HQMKVHG0K48WW4NO@palmu.metla.fi>
• Resent-To: mesinfo@pihta.metla.fi

We are a paper company in northern Minnesota (Grand Rapids), managing 200,000
acres of Minnesota forest land.  We'd like to present the following question for
response:

Following timber sale activity, it is sometimes desireable to rehab the landing
site itself.  Our soils range from sand-loams to clay-loams, but predominately
heavy silt loams.  

Qu:  To what depth will compaction interfere with tree growth?
or:    How deep must the soil be loosened to overcome the effects of the intense
compaction which occurs with such concentrated activity?

Disking will loosen the surface layer, and is an option.  Qu:  Is that adequate
for the long term?  Will frost loosen the profile in time for the roots to grow
into any deeper compaction layer?  or is sub-soiling, or ripping required?  and
if so, to what depth?

We would appreciate any replys or suggestions.

Respond to Jim Gabriel
76654.720@compuserve.com

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