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Dan Kittredge Yearly Soil Amendments As Close as I can figure.

 
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2025 Recipe List (PPA) Amounts: Pounds Per Acre

400 lbs Sul-Po-Mag / Langbeinite
100 lbs Rock Phosphate
100 lbs Gypsum
100 lbs Greensand
100 lbs Humates
100 lbs Carbonatite / Dolomitic Lime (with Mg)
100 lbs Dyna-Min / Azomite
50 lbs Kelp
50 lbs Sea Salt
50 lbs Alfalfa Meal
50 lbs Compost

1200 lbs per acre so this is for committed area..
the 100# of rock dust/ azomite Dyna-Min was left as unfinished thought.
He has some depots with these amendments around the country. Not all amendments are needed everywhere. For example:
If you have excess calcium, remove gypsum and lime.
If you have excess phosphorus, remove rock phosphate.
If you have too much Potassium tune down or eliminate Sul-po-Mag (Langbeinite)
Adjust accordingly.  
Never forget foliar sprays as cheat codes.
Also deep rooted plants can drag these mineral from your bedrock if they are there over time.

PPA conversion charts
1000 lbs per acre = 23.0 lbs per 1000 sq ft = 2.3 lbs per 100 sq ft
500 lbs per acre = 11.5 lbs per 1000 sq ft = 1.15 lbs per 100 sq ft
100 lbs per acre = 2.3 lbs per 1000 sq ft = 0.23 lbs per 100 sq ft
20 lbs per acre = 0.46 lbs per 1000 sq ft = 0.046 lbs (0.74 oz) per 100 sq ft
5 lbs per acre = 0.11 lbs (2 oz) per 1000 sq ft = 0.011 lbs (0.18 oz) per 100 sq ft
Screenshot-2025-04-11-181624.jpg
[Thumbnail for Screenshot-2025-04-11-181624.jpg]
 
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