Kelp extract analysis -- anyone know?

Bonide Sea Green brand. Bonide doesn't list so much as the NPK. Probably wondrous stuff, but if you combine it with other fertilizers and you don't know what's in it, you risk overfeeding.
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On Mon, 30 Nov 2009 22:44:22 -0800 (PST), Father Haskell

Use sparingly. It contains salt (taste it!) so that is another concern. Most beneficial for the trace elements, not NPK.
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It's not considered a fertilizer per se, so that's why no NPK breakdown. But most kelp extracts come out around 0-1-1 - pretty low in the nutrient department. And since they are an organic source, it is pretty hard to overdo with them. As stated, the big benefits are the trace elments they provide. btw, the salts are natural salts, not the nutrient salts of synthetic chemical fertilizers. And they do get diluted, as well.
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gardengal wrote:

The origin of the salts is not important but the type, just because it is "natural" doesn't mean it is necessarily benign. You don't want to be adding sodium salts to your soil, seaweed products contain these to various degrees as they are concentrated from seaweed which naturally contains such.
David
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Full complement of secondaries and micronutrients, IIRC. Lots of growth regulators, like giberellins (which are why kelp grows so fast).
A good potassium source according to what I've read, which is why I was curious about the NPK.
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