@alchemybioscience: Aight #farmtok. Prove me wrong: taking your CEC on your #soiltest and dividing that by 10 will give you a pretty close estimate on your OM, UNLESS you’re engaging in at least one of 4 #farming practices: 1. Using #manure 2. Using #covercrops 3. No-till and/or 4. NOT applying anhydrous ammonia. Post a screenshot of the CEC and OM on your soil tests and let’s see what we can learn.
Conventional tillage, no manure history, anhydrous every other year
2026-01-16 19:44:50
1
CC Farmer :
5.2% OM with 22 cec. No-till, cover crops and no anhydrous.
2025-12-16 03:15:46
3
Michael Stevens9165 :
25+ cec, om's around 4. Use non of the aforementioned
2025-12-14 03:17:05
1
Dirt :
This test was this fall after beets. Strip tilled dry for corn planing to side dress nh3 in season 2026
2025-12-13 19:54:25
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Matt Griggs :
I was about to go take screen shots of my soil tests…but then you listed your 4 conditions. And I check the box on all 4. 😂. We average around 3% OM and our CEC usually ranges between 5-10
2025-12-14 23:18:09
1
Mork Farms :
CEC 25-30… had our first OMs 5%+… kind of half tillage practice… usually don’t rip corn stalks… but option to run minimum til or no till the beans
2025-12-16 03:04:20
1
mnfarmer6 :
Om 3.5, tillage , no cover, no manure, etc
2025-12-13 19:01:09
0
The Farmer's Life 🌾 :
One thing I've never heard is a time frame on that N holding capacity with 10x CEC. What's the turnaround on that? Saw you have low OM sandy soils. You put some on preplant that hits that capacity. When do you apply again?
2025-12-14 15:45:21
1
Danimal :
I know you like having people shit on your theories. My CEC average is 10 with a 3.9 OM. No anhydrous ever. Yes Dairy & Beef manure. Cover Crops is normally light grain from green combines.
2025-12-14 00:57:59
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doughboy :
First of all a big factor is how far north you are. Much higher OM in ND than Texas. Length of season , avg temp etc. We have been notill for decades with nh3 OM is about .25 of cec and = to native. Neighbor uses urea and notill and OM is the same.
2025-12-14 14:53:09
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Danny Gardner :
Passes all 4 tests
2025-12-13 20:21:53
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Rowdyfun4 :
what about application of charged biochar or worm casting tea?
2025-12-13 19:24:16
1
mnfarmer6 :
Cec 13
2025-12-13 19:00:08
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Dirt :
First soil test in 2018 shortly after I started farming it. 2018 nh3 corn, 2019 nh3 corn 2020 nh3 spring wheat baled straw, 2021 beets, 2022 nh3 corn 5tpa beef manure, 2023 strip till soybeans, 2024 spring wheat nh3 baled straw 5tpa ag lime strip tilled after, 2025 sugar beets. Conventional till other than 2 years of strip tilled.
2025-12-13 19:52:52
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MasonClaude5 :
I’ll share an example Kurt! No anhydrous since 2012. No manure ever. Conventional till. Corn/soy rotation since 2016. Baled corn stalks 2012-2016
2025-12-13 19:00:11
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M Meyer :
😁
2025-12-17 16:34:28
1
AlchemyBioscience :
Ack! Forgot to tag @Danny Gardner
2025-12-13 18:38:47
1
Josh Messer :
I’ll pose the question of who cares about OM? It correlates to nothing and doesn’t mean what the industry is telling you it does.
2025-12-14 14:40:10
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jeffshea24 :
Our cec is on average 16-20
2025-12-14 00:18:06
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bighairydata :
Without standardized soil testing and quality assurance we are all just pissing into the wind.
2025-12-14 10:56:39
1
Matt McRae :
Average CEC of 23 with and average organic matter of 4.25. No manure, No cover crops. No anhydrous, mostly disk ripped every other year.
2025-12-14 00:22:26
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