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Old April 14, 2016   #5
Lindalana
Tomatovillian™
 
Join Date: Oct 2013
Location: Chicago IL
Posts: 857
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Here is except from Jon Frank podcast/ emails, one could sign up for whole series of those emails. I like reading them. I have read similar reviews from other sources as well.
http://www.highbrixgardens.com/30-da...riculture.html
"The natural inclination of most people is to load up this soil with a plentiful supply of compost or aged manure. In theory compost can supply a whole lot of minerals and it may be cheap, local, and available. DON'T DO IT! This is the shackle that imprisons soil to produce poor to mediocre quality. Only use compost to the extent of the soils need for potassium and no more.

Here is another principle. Build and maintain phosphorous levels with Soft Rock Phosphate--not poultry manure, not hard rock phosphate, not commercial fertilizers exclusively. Why?

Soft Rock Phosphate is a colloidal clay rich in trace minerals that gets really sticky when wet. It is very important that SRP be included because it helps hold the calcium in the root zone. This is one of the secrets of raising available calcium in rain depleted soils.
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