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How I take soil samples
#6774975
05/25/17 11:58 PM
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Joined: Oct 2009
Posts: 12,718
Dustnsand
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I know a lot of y'all take soil samples so I thought I'd post a picture of how I take them at work. It's a tractor mounted sampling rig that is hydraulically driven and can also auger. Most commonly we take samples 0-24" but sometimes will go up to 48". We divide those up into 6" increments usually. Each year I will take a few thousand samples with this machine.
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Re: How I take soil samples
[Re: Dustnsand]
#6781150
06/01/17 08:54 PM
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Joined: Jul 2005
Posts: 2,114
Ranch Dog
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I guess the question I have is why?
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Re: How I take soil samples
[Re: Ranch Dog]
#6781591
06/02/17 03:57 AM
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Joined: Mar 2013
Posts: 3,637
BayouGuy
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I guess the question I have is why? Yeah, why? Is anything gained by going deeper than twelve inches or so?
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Re: How I take soil samples
[Re: Dustnsand]
#6781651
06/02/17 11:29 AM
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Joined: Apr 2011
Posts: 29,094
Western
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Probably for sub soil results, but usually from what Ive heard, that is not needed the majority of the time unless there is a problem, generally 6"-8" is the rule.
If at first you dont succeed, then skydiving is not for you..
"Don't trust everything you read on the Internet"- Abraham Lincoln Dennis
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Re: How I take soil samples
[Re: Dustnsand]
#6781679
06/02/17 12:26 PM
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Joined: Jul 2005
Posts: 2,114
Ranch Dog
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You go beyond 9" where I food plot, all you are going to get is clay and eventually limestone.
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Re: How I take soil samples
[Re: Dustnsand]
#6781718
06/02/17 01:13 PM
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Joined: Apr 2011
Posts: 29,094
Western
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I hear you, never seen anyone take sub soil outside of sewer perk test, but I have heard of it for problem growing areas on crops with tap roots. I know some ares have a thick bed of blow in from the dust bowl days, but don't know what impact that may have. Im like you an usually follow the standard depth recommendations by most labs.
If at first you dont succeed, then skydiving is not for you..
"Don't trust everything you read on the Internet"- Abraham Lincoln Dennis
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Re: How I take soil samples
[Re: Dustnsand]
#6781792
06/02/17 02:29 PM
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Joined: Oct 2009
Posts: 12,718
Dustnsand
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I work in agriculture research, specifically in soil fertility and chemistry. We do research trials on a wide range of crops, mostly cotton though, looking at fertility. When dealing with soil fertility you take alot of soil samples to see what's going on in the soil.
Deeper than 12" in useful. Fertilizer does not just stay in one place even if you never touch it with a plow. Seeing what we have at what depths is important to know what to apply and what is going on. Plus some crops can have a taproot several feet long. We also will sometimes do soil moisture so different depths are important looking at that. Bulk density is another we look at in tillage studies.
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Re: How I take soil samples
[Re: Dustnsand]
#6782284
06/03/17 01:01 AM
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Joined: Jul 2005
Posts: 2,114
Ranch Dog
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Re: How I take soil samples
[Re: Dustnsand]
#6784967
06/06/17 12:12 PM
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Joined: Jun 2006
Posts: 8,640
Dave Davidson
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Without a sense of urgency, nothing ever happens.
Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley, Rancher Muleshoe Texas 1892-1985 RIP
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Re: How I take soil samples
[Re: Dustnsand]
#6785017
06/06/17 01:09 PM
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Joined: Jun 2010
Posts: 8,313
Stompy
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My soil samples are usually only 3-6" deep.
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Re: How I take soil samples
[Re: Dustnsand]
#6785018
06/06/17 01:10 PM
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Joined: Dec 2008
Posts: 41,968
J.G.
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Please bring it to the Blackland prairie in early August. I want to see just how stout of a machine it is.
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