We used to discuss stratification here, not so much anymore.
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I pull samples at full probe depth now, 8-12 inches. I feel I pretty much understand what the numbers mean after 50 years of sampling. I can pull various depths and tell you what to expect and not be far off.
Even though I spread nutrients broadcast, I don't see an acid roof here either.
I know I struggle to get enough calcium on my ground, let alone the other 16 crop nutrients.
Continous No-Till Soils Developing an "Acid Roof" ?
