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What makes Iowa/Illinois soil so good?
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farmpro11
Posted 11/16/2007 15:44 (#239439)
Subject: What makes Iowa/Illinois soil so good?



I'm from WC ohio and drool at the yields I here from you producers out there. What types of soils do you get the big yields on. What are your CEC's, OM, so on. Are they silty clay loams like around here, but with a higher CEC maybe?

Around here we have alot of silt loams, silty clay loams, and clay loams, consisting of:

Pewamo:Silty clay loam highest producing soil type
Blount: Silt loam 0-2% slope about 10-15% less productive.
Montgomery: clay loam about the same as pewamo, but more clay, usually in wet holes.

Then there glywood and morley silt/sandy loams.

Theses are the soils that turn are fields into 200+ bushels per acre down to 160. Usually high ground with some sand. Of course one 100 field around here can have 7 differnernt soils types in it. We live right on the edge of where the glaciers started to stop 25000 years ago thus leaving us with a little more roll to our ground which isnt really a bad thing for drainage. If you go north some there is Hoytville and Latty soil and those are heavy clay loams with a CEC above 30 generally and the fields are flat can be. Just curios about some of the characteristics of the best soil in the midwest.
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