compost for tatties

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hermon

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compost for tatties
« on: February 26, 2009, 08:38 »
can i use my compost to grow my potatoes in or should i use bought compost (i haven't got enough spare soil) also i am thinking about liming a bed for brocolli and kale just wondering how much to use as it doesn't say on the box and also is it ok for organic growing?

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Aidy

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Re: compost for tatties
« Reply #1 on: February 26, 2009, 09:14 »
Yes you could use the compost, there may be a slight risk of disease depending on what went in the heap in the first place but I have had volunteer spuds in mine and they have been fine. Re Lime here is Johns advice.... http://www.allotment-garden.org/fertilizer/garden-lime.php
Punk isn't dead...it's underground where it belongs. If it comes to the surface it's no longer punk...it's Green Day!

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Salmo

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Re: compost for tatties
« Reply #2 on: February 26, 2009, 10:35 »
Bought compost has fertiliser added and would be better than your own compost. Potatoes need the same nutrition as tomatoes so buy tomato growbags.

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hermon

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Re: compost for tatties
« Reply #3 on: February 26, 2009, 19:16 »
fantastic answers thanks! this year i am determined to get things right!

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woodburner

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Re: compost for tatties
« Reply #4 on: February 26, 2009, 20:31 »
Bought compost has fertiliser added and would be better than your own compost. Potatoes need the same nutrition as tomatoes so buy tomato growbags.
Surely they need phosphorous rather than potassium?!
Nitrogen for leaves, phosphorous for roots, potassium for flowers and fruit.  ???
I demand the right to buy seed of varieties that are not "distinct, uniform and stable".

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Salmo

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Re: compost for tatties
« Reply #5 on: February 26, 2009, 23:36 »
Why then do potato fertilisers have a ratio of 1N:1P:1.5K?

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woodburner

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Re: compost for tatties
« Reply #6 on: February 27, 2009, 20:54 »
Why then do potato fertilisers have a ratio of 1N:1P:1.5K?

Did you miss the confused smiley?

I have been told "Nitrogen for leaves, phosphorous for roots, potassium for flowers and fruit. " since . . . I can't remember when. Probably as a kid asking what was fertilser for.

Tomato feed is high potassium, to help with the flowers and fruiting, but you don't want potatoes to flower or set seed normally, so why is potato fertiliser the same as tomato?
Do tubers count as 'fruit'?  ???


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