Potato yield

[Jaxom]

This year I got excelent results in my tubs. The soil I used was a mix of compost, vermiculite, water retaining granuals and bone meal.
Once a week I also gave a liquid feed.
I only grew two types of spud. Desiree and Shetland Blacks
Desiree is a maincrop potato variety, with high and early yields. I have since found out that Shetland Blacks have shallow roots and dont need deep pots, so will be saving my large tubs for more Desiree next year.
I think that the water retaining granuals and bone meal made a big diference to my results this year over last years harvest. After all bone meal builds roots and thats where the potatoes are to be found

[blackcatlois]

potato yield

That's interesting - I have some blood, fish and bone in my shed - do you think that would do the trick too?

[Snadger]

That's interesting - I have some blood, fish and bone in my shed - do you think that would do the trick too?

Blood fish and bone meal is a balanced organic fertiliser which was the predecessor of the non-organic National Growmore pellets.
Incorporating it in your compost at planting time will make NPK readily available throughout a long period. A high potassium liquid feed, or comfrey tea if your organically minded, could be applied later in the year prior to flowering!

[moggssue]

I throw growmore around everywhere before planting anything! It worked well for the flowerbeds so I tried it with the veg as well and it certainly hasnt done any harm. I didnt realise it wasnt organic though - should I be using bf & b instead?

I've got 4 maris piper in a 50l compost bag, is this too many then, won't there be room for the tatties to develop much? I was hoping to start looking in a week or two.

BTW, sorry to jump in and hijack things here!