I agree and am adding biochar also.
Kai Walker wrote:Didn't see any nitrogen numbers in your list.
For a higher cation exchange maybe look into biochar?
Easy to make.
Great for sandy soils!
Oh and it is a permanent amendment. Lasts 100 to 50,000 years from what I read.
S Bengi wrote:My recommendation is to add organic matter like woodchip/mulch and not ash/mineral to increase organic matter/CEC. I really like the idea of adding biochar esp for southeast USA.
S Bengi wrote:Both field 1 and field 2 have too much potassium, so I would not add more potassium.
For now I recommend only adding carbon/woodchip/etc to bring up your CEC and the right soil life to make what little minerals you have more bio-available to the plants.
I wish there was a easy way to buy $4/40lbs bales of straw and turn them into biochar. As biochar it would probably only weigh 10lbs)
Kai Walker wrote:Don't Tomatoes like a lot of 'P'?