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  • #1

    Potato Fertiliser - How much to use in containers?

    I have purchased some Spuds Galore fertiliser which is 12-11-18 and has a stated application rate of 70g per square metre.

    How much would I use in a 9L single spud pot or a 40L multiple spud pot?
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  • #2
    Do you know that's an interesting question I use it all the time and really have no idea as to an exact measurement.

    If its any help I mix my compost in a 45ltr container and just throw a handful in, then fill my smaller pots from that.
    Potty by name Potty by nature.

    By appointment of VeggieChicken Member of the Nutters club.


    We hang petty thieves and appoint great ones to public office.

    Aesop 620BC-560BC

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    • #3
      I do the same as potty a small handfull with everything but that sounds good stuff so I'd just work it out by dimensions of you're pot
      Where did you buy it by the way and how much if you don't mind me asking?

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      • #4
        Better answer in following post
        Last edited by Veggiemama; 07-02-2015, 05:57 PM.
        If someone has lost their smile, give them one of yours. :

        Children seldom misquote you. In fact they usually repeat word for word what you shouldn't have said

        God made rainy days so gardeners could get the housework done

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        • #5
          On the JBA seed potatoe site (which is the fertiliser i used last year) it says this :-
          -------------------------------------------------------------------------------------------------------------
          JBA are now able to offer an organic potato fertilizer that has been specially formulated to produce bumper crops of potatoes.

          The organic granules provide a slow and even release allowing steady and constant growth.

          A definite must for all potato growers. Each box contains 1kg.

          Apply 135g/sq.m (4oz per sq.yd) to the soil before planting and gently work into the soil.

          For container growing add at a rate of 140g/sq.m (4oz/sq.yd) Equivelent pot size is 30cm (12in) diameter pot - 10g. 38cm (15in) diameter pot - 15g. 50cm(20in) diameter pot - 30g.

          For our grower bags we would recommend adding 45g


          -----------------------------------------------------------------------------------------------------

          This may be a better guide that my original reply. So maybe i used 45g before, sorry for the confusion
          Last edited by Veggiemama; 07-02-2015, 05:33 PM.
          If someone has lost their smile, give them one of yours. :

          Children seldom misquote you. In fact they usually repeat word for word what you shouldn't have said

          God made rainy days so gardeners could get the housework done

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          • #6
            Is this the same fertiliser as jonnys using veggie mamma?

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            • #7
              Originally posted by Spunky View Post
              Is this the same fertiliser as jonnys using veggie mamma?
              I am not sure Spunky, but i thought he could work out the calculations on the above and then adapt it to his instructions.
              Hope you know what i mean

              So on jonnys instruction it said
              70g per square metre.
              On JB it says 140g per square metre for container growing.

              If it were me i would halve that for the 3 sized pots mentioned.

              30cm diameter pot 5g
              38cm diameter pot 7.5g
              50 cm diameter pot 15g
              Then i would use this as a guide to work out any other sized pots i had to use.
              Again i hope this helps
              Last edited by Veggiemama; 07-02-2015, 05:52 PM.
              If someone has lost their smile, give them one of yours. :

              Children seldom misquote you. In fact they usually repeat word for word what you shouldn't have said

              God made rainy days so gardeners could get the housework done

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              • #8
                Sorry I was too lazy to google it! Just did and it's a good buy

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                • #9
                  Nope can't be bothered with figures it will remain a 'handful' much less stress.
                  Potty by name Potty by nature.

                  By appointment of VeggieChicken Member of the Nutters club.


                  We hang petty thieves and appoint great ones to public office.

                  Aesop 620BC-560BC

                  sigpic

                  Comment

                  • #10
                    I watch allotment diary on youtube, he's grows potatoes in 30L pots and I made a note the in each pot he uses

                    110grams of fertilizer (blood fish and bone) or he has used 86grams of vitax q4

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                    • #11
                      Organic potato fertiliser in Poundland at the moment - 1 kg boxes. Seems a good deal as costs a tenner for a kilo on T&M website
                      Are y'oroight booy?

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                      • #12
                        Originally posted by Vince G View Post
                        Costs a tenner for a kilo on T&M website


                        £3.49 /1kg at JBA - can't beat Poundland though, for folk who can get to one easily

                        Potato Fertilizer
                        Last edited by Kristen; 08-02-2015, 08:23 AM.
                        K's Garden blog the story of the creation of our garden

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                        • #13
                          Wow just googled that fertiliser as well.
                          It is expensive.
                          jonnyt can you let us know later in the year how good it is? am interested to see if it as as good as it says it is, but not willing to pay that much for it without knowing the outcome.

                          Kristen do Poundland now have an online store?, I am sure I read that recently............will have a check to see
                          If someone has lost their smile, give them one of yours. :

                          Children seldom misquote you. In fact they usually repeat word for word what you shouldn't have said

                          God made rainy days so gardeners could get the housework done

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                          • #14
                            Originally posted by Veggiemama View Post
                            do Poundland now have an online store?
                            Not that I can see??

                            Organic Potato Fertiliser 1kg - Pest, Weeds & Fertilisers - Gardening - Home & Garden

                            I don't find it expensive - I use so little in containers it lasts me years (1kg is enough for 22 containers of 3-tubers each). out in the garden I use a cheaper more generic fertiliser. Also don't know if the brand matters? There might be "more" in the JBA / T&M ones than the Poundland ones? (Might well be that Poundland is buying up bin-end stock though and just stack-high-sell-cheap)
                            Last edited by Kristen; 08-02-2015, 11:14 AM.
                            K's Garden blog the story of the creation of our garden

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                            • #15
                              No, i cant find it either....must be having another dim moment

                              I think i will stick with what i have been using as i get great results and if it aint broken why try to fix it :-)
                              If someone has lost their smile, give them one of yours. :

                              Children seldom misquote you. In fact they usually repeat word for word what you shouldn't have said

                              God made rainy days so gardeners could get the housework done

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