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Thread: Blood, fish and bone

  1. #9
    eskymo's Avatar
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    I've got a bag of the stuff and not sure what to do with it. My plants are all nice and healthy so not sure they need the extra fertilisation. Would it be good to sprinkle it around my pumpkins and courgettes? Or should I wait unti autumn / winter and just dig some into the bare veg plot?

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    Quote Originally Posted by eskymo View Post
    I've got a bag of the stuff and not sure what to do with it. My plants are all nice and healthy so not sure they need the extra fertilisation. Would it be good to sprinkle it around my pumpkins and courgettes? Or should I wait unti autumn / winter and just dig some into the bare veg plot?
    If somethings not broken, don't fix it!

    Its usually used as a dressing in the spring and I think it would be wasted to add it in the autumn to bare soil. Better still to wait til the following spring and apply it as a topdressing when preparing seedbeds just before planting! Thats my view anyway!

    PS The Nitrogen content would have vanished by the spring anyway!
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    I agree Snadger (well for flowering plants anyway) - a quick sprinkle in spring as you plant - or into the hole as you plant. But maybe doesnt have the correct nutrients to allow veg to fruit up? I used it as a top dressing before planting, but wouldnt use it as a feed during the season.

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    Just Doing Research on Fish Blood and Bone and came across this old thread. I was just trying to work out how much fertilizer I would need for my plot. There was an article on GardenFocused for growing Peas and Beans. Add FBB monthly - 3 dressing or so for the 12 to 16 weeks growth. It was my understanding that FBB is a slow release fertilizer (2 - 4 months), so couldn't see why you would apply monthly. Many of the peas would be harvested before fertilizer exhausted. Perhaps a second feed for Main Crop and a potash fertilizer for fruit growth?

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    burnie is offline Veggie gardener
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    I use FBB and have done for years, although reading through the old posts I might take up the fact that it's organic, because I doubt it actually is, do they really know where all the blood and bone came from?
    I use it as a pre planting feed and as a top dressing for anything in pots, but work into the soil or you get a mouldy "fur" growing on the surface.
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    I had quarter of a box left which i found on a tidy up of shed yesterday. Its now all gone apart from a lump in th bottom. I can only surmise that mice have beeen eating it!
    burnie likes this.
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    Thelma Sanders is offline Gardening Guru
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    Quote Originally Posted by Snadger View Post
    I can only surmise that mice have beeen eating it!
    Well it is good all purpose feed
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    Quote Originally Posted by burnie View Post
    I use it as a pre planting feed and as a top dressing for anything in pots, but work into the soil or you get a mouldy "fur" growing on the surface.
    So the fur must be the Nitrogen (Blood). Must assume organic is being used in the chemistry sense there.

    To be honest, I was trying to square the circle with difference between Bone Meal and Fish Bone Blood. 12% Active ingredient to 15% in FBB.
    Looking at standard 1.5kg packets @ 3.99
    Bone Meal NPK 3 9 0 12% Active ingredient
    Fish Bone Blood. NPK 3 9 3 15% Active ingredient

    Sulphate of Ammonia NPK 21 0 0
    Sulphate of Potash NPK 0 0 48
    Superphosphate NPK 0 17.5 0

    So mixed 3 last - 1 pkt each would give NPK 7 6 16 - 29% Active ingredients

    at 1 box to 2.4m x 10m (10 boxes for my 10 x 20m area ish) - it then starts to make sense to mix / customising the fertilizer for specific treatments, with fast acting Sulphate of Ammonia for leaf growth through to potash for fruit development.

    Technically speaking - Targeted treatment should give saving of 50%+ should easily be possible. But then I found a supplier for a big bag of FBB so needs more work

    ** Addition
    May have jumped the gun. The 3 individual components may not be organic. I was on the thread they were all packaged similar where listed, so was an easy leap.
    Last edited by 4Shoes; 01-01-2018 at 05:54 PM. Reason: addition

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