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Joined: Nov 2006
Posts: 6,879
14 point
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14 point
Joined: Nov 2006
Posts: 6,879 |
I pulled soil samples back in March and sent to Waypoint. Applied lime in June at recommended rate, but not sure of fertilizer application in Oct. I entered the following test results into chatgpt: 1 acre deer food plot, wheat rye clovers, pH 6.2, P 70 ppm, K 32ppm, Ca 582ppm, Mg 91 ppm, OM 2%.
Below is the Fertilizer Recommendations from chatgpt:
Primary Fertilizer: Muriate of Potash (0-0-60)
Rate: 200 lb/acre (120 lb K2O) to correct K deficiency (32 ppm to ~120 ppm).
Application: Broadcast and incorporate before planting (fall for winter wheat/rye/clover, spring for spring planting).
Nitrogen for Wheat/Rye: Urea (46-0-0)
Rate: 130 lb/acre (~60 lb N), split 65 lb at planting, 65 lb at tillering (March–April).
Note: Minimize N on clover to encourage N fixation.
Organic Matter: Compost
Rate: 1 ton/acre to boost OM from 2%, improving nutrient retention.
Application: Spread evenly and incorporate.
Does this sound right? Better options?
Last edited by 270wsm; 09/04/25 09:17 PM.
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Joined: Nov 2010
Posts: 1,816 Likes: 1
8 point
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8 point
Joined: Nov 2010
Posts: 1,816 Likes: 1 |
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Joined: Nov 2011
Posts: 22,603 Likes: 22
Freak of Nature
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Freak of Nature
Joined: Nov 2011
Posts: 22,603 Likes: 22 |
Never heard of anyone adding tons of compost to a deer plot. Add your NPK and roll on. Your pH is actually fairly good already.
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Joined: Jan 2017
Posts: 10,381 Likes: 150
Glad He Doesn’t Have One
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Glad He Doesn’t Have One
Joined: Jan 2017
Posts: 10,381 Likes: 150 |
You aren’t going to retain any soil amendments with the OM so low. Borrow a no till drill for the next 5 years and rebuild your soil.
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Joined: Oct 2017
Posts: 2,840 Likes: 45
10 point
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10 point
Joined: Oct 2017
Posts: 2,840 Likes: 45 |
I've never chatgpt'd anything. This one has shown expected results for me: https://aesl.ces.uga.edu/soil/fertcalc/ I also do a large vegetable garden. Storing fertilizer in buckets and blending to soil tests seems to waste less fertilizer over the years.
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Joined: Jun 2012
Posts: 29,071 Likes: 83
Dances With Weeds
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Dances With Weeds
Joined: Jun 2012
Posts: 29,071 Likes: 83 |
You aren’t going to retain any soil amendments with the OM so low. Borrow a no till drill for the next 5 years and rebuild your soil. I believe he has been doing throw and mow.......The depth of your soil sample can have huge impact on what the OM% show on the test.....OM builds up in a layer on the top that gets thicker over time......Any OM that reaches below 8-10 inches or so after that is typically achieved through roots......If you're sampling below that top OM layer though it isnt going to show much.....His OM layer may only be a few inches thick It could also be his approach......Something I've said a bunch in the past is that there is more to it than just "not tilling".....You have to make a conscious effort every year to grow tons of biomass and recycle it with a good C:N balance if you want to build OM levels to 5-6%
Last edited by CNC; 09/07/25 10:45 AM.
Folks that know don't shoot old does........ 
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Joined: Jun 2012
Posts: 29,071 Likes: 83
Dances With Weeds
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Dances With Weeds
Joined: Jun 2012
Posts: 29,071 Likes: 83 |
I’ll also add that it isnt true that he wont hold soil amendments without OM……It depends on the soil type…..Clay soils will hold it just fine…..Its the sandier soils that don’t have the holding capacity......OM is still important in clay soils but it serves other functions more so than supplying all of the holding capacity.....Its key in maintaining structure and keeping clay from turning into a brick
Last edited by CNC; 09/07/25 11:21 AM.
Folks that know don't shoot old does........
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Joined: Jul 2020
Posts: 9,818 Likes: 91
14 point
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14 point
Joined: Jul 2020
Posts: 9,818 Likes: 91 |
Some sandy soil in the South is basically Sand (rocks) and Dust. Enjoy.
I put Chicken Manure of my small Deer plot this year.
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Joined: Jan 2017
Posts: 10,381 Likes: 150
Glad He Doesn’t Have One
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Glad He Doesn’t Have One
Joined: Jan 2017
Posts: 10,381 Likes: 150 |
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Joined: Nov 2006
Posts: 6,879
14 point
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14 point
Joined: Nov 2006
Posts: 6,879 |
This plot hasn't been tilled in 3-4 yrs. Been doing T&M and letting plots go in spring & summer. No clay soil. Sandy river bottom soil. I have 3 plots that are really sandy and I converted those 3 to chufa only.
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Joined: Jun 2012
Posts: 29,071 Likes: 83
Dances With Weeds
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Dances With Weeds
Joined: Jun 2012
Posts: 29,071 Likes: 83 |
Are your cereal grains maturing and getting tall in the spring??......What kind of growth are you getting out of summer vegetation??
I would split your N application like it says but apply the second application around Christmas……If you’re not getting good plant growth out of your summer forage it wouldn’t be a bad idea to hit it with a little more around May/June time frame……Something else that will help is to load your fall mix down with crimson clover
Folks that know don't shoot old does........
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