Rock Dust (forum)
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Greg 10 starts with ...
Can anyone tell me how much rock dust to apply to fruit trees and vegetables and how often to apply
Time: 4th June 2014 1:02pm
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About the Author Greg 10
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Julie says...
I think rock dusts vary a lot in their mineral content, so it would be hard to give a figure. Is it a commercial packaged rock dust?
Time: 4th June 2014 7:28pm
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About the Author Julie
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Greg 10 says...
its a commerical packaged rock dust
Time: 4th June 2014 7:48pm
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Greg 10 says...
its called Nutri-PhosSoft Rock
Time: 4th June 2014 7:55pm
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Boris Spasky says...
The product is really rock phosphate (alteranative to super) rather than rock dust (crushed granite/basalt full of trace minerals).
Time: 4th June 2014 8:47pm
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About the Author Boris Spasky
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Julie says...
Boris, I think I have some of that. As far as I know - I'm no expert - phosphorus moves very slowly through the soil.
When I use it I put it at the bottom of the plant, rather than adding it later. It makes it more accessible to the roots.
Time: 5th June 2014 9:12pm
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About the Author Julie
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