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Re: [compost_tea] Kelp
You need to consider what forms of nutrients plants can take up, and then ask whether kelp has these forms. Doesn't count to consider the nutrients they ADD to the kelp.
So, what is the form of N in kelp? Not nitrate. Plant material should not have high levels of nitrate.
What form of P in kelp? Phosphate? Phosphorus? No.
These nutrients are in the form of proteins, plant cytoplasm, etc in plants, not as inorganic forms of N. So, can plants access the nutrients inside plant cells only after what happens?
Elaine Ingham
President, Soil Foodweb Inc.
www.soilfoodweb.com
SFI Oregon, USA
SFI Australia
SFI New York
SFI Europe
SFI New Zealand
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