Which Soil Sample?

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slick4591
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Which Soil Sample?

Postby slick4591 » Thu Nov 23, 2017 11:48 am

Doing my first ever soil sample testing on a plot that's strictly pasture. Texas A&M gives me 10 choices. Anyone have an idea which one I'll need.
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Re: Which Soil Sample?

Postby Stocker Steve » Thu Nov 23, 2017 3:15 pm

Depends on your goals and how many inputs you want to buy.
P, K, ph are standard tests, and what you need to manage legume content.
Row crop guys may pay for extra testing to get nitrates and micro nutrients and perhaps even different depths -- but that seems to be overkill for pasture.
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Re: Which Soil Sample?

Postby slick4591 » Thu Nov 23, 2017 3:50 pm

Thank you. I figured that would get me by but wanted to check to make sure before sending it in.
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Re: Which Soil Sample?

Postby kenny thomas » Thu Nov 23, 2017 8:47 pm

I would add to take the samples as the directions says and remember the more samples the better the accuracy for the average of the field.
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Re: Which Soil Sample?

Postby slick4591 » Fri Nov 24, 2017 9:59 am

Thanks Kenny. I've taken 16 samples from the 6 acre plot that I want to improve first.
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Re: Which Soil Sample?

Postby Dave » Sat Nov 25, 2017 6:45 pm

It varies depending on who does the testing but often they will offer a package test of multiple nutrients for less money than it would cost to do them individually.
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Re: Which Soil Sample?

Postby slick4591 » Sat Nov 25, 2017 9:59 pm

Dave wrote:It varies depending on who does the testing but often they will offer a package test of multiple nutrients for less money than it would cost to do them individually.


A&M didn't get that memo, Dave. The more they test for the higher the rate. It's running from $10 to $74.
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Re: Which Soil Sample?

Postby Dave » Sun Nov 26, 2017 12:37 am

slick4591 wrote:
Dave wrote:It varies depending on who does the testing but often they will offer a package test of multiple nutrients for less money than it would cost to do them individually.


A&M didn't get that memo, Dave. The more they test for the higher the rate. It's running from $10 to $74.


Ouch. That is a bit steep. Before I retired I ran about 300 samples a year through A&L labs. For $25 they did organic matter, P, K, Mg, Ca, Na, H, pH, pH buffer, CEC, NO3, and Sulfur. For $48 you could get all of that plus the micro nutrients.
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Re: Which Soil Sample?

Postby Texasmark » Thu Nov 30, 2017 7:28 am

They recommend an averaging of the tests made at 4 or 5 locations around the plot for general requirements if your land is somewhat uniform.

On micro-nutrients and Sulphur, I like to use American Plant Food products, out of Galena Park, Near Houston. They have a product, forget the name but www has it, that has the main 3 plus micros. The other thing is for smaller quantities than you would use from the bulk distributor using Ammonium Nitrate, They use Ammonium Sulphate and No Urea. I like that for 2 reasons. I like the Sulphur and can't always get my fertilizer in the soil properly, or just before a rain to keep the Urea from evaporating. Yeah, on paper I loose some N but in the real world, just how much of what I put out do I really get if not incorporating per the recommended guidelines.
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