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Re: [compost_tea] triple superphosphate and roses
I agree with Shane Gishford on the MAP and DAP issue.
When we have a problem that has developed, and need to tweak things TODAY, you need to understand the chemicals that are the least biologically detrimental and that can do the immediate chemical tweaking. But to prevent ever having to do the chemcial man-handling and fertilizer additions again, you need to get the biology in proper form and ratios. Aerobic bacterial-dominance gives you alkaline soil, beneficial fungal dominance gives you soil between pH 5.5 and 7. Anaerobic bacteria start dropping soil toward the extremely low pH ranges. Is the biology going to get to the right ratio immedaitely? Not likely. It can take 6 weeks, to 6 months, to 3 years, depending how much you pay attention to the needs of the biology and are willing to do the work to return the correct biology, and maintain the correct biology.
Shane has had outstanding results with the use of the SFI approach and understands how to marry together soil biology, soil chemistry and plant production.
He's a great resource and those of you in OZ should consider getting him out to speak to your groups about using soil biology and testing soil biology/chemistry properly.
In my experience, Shane understands a great deal about the transition period from totally toxic chemical use, to incorporating some biology, to getting more biological, to fully biological (where the biology in the soil does the work it's supposed to do, and humans have more of a fine-tuning, supervisory role).
Elaine Ingham
President, Soil Foodweb Inc.
www.soilfoodweb.com
SFI Oregon, USA
SFI Australia
SFI New York
SFI Europe
SFI New Zealand
"Hope is not a feeling. It is not the belief that things will turn out well, but the conviction that what we are doing makes sense, no matter how things turn out." -- Vaclav Havel, former President of the Czech Republic
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