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This video shows you how to become self-sufficient in potatoes and guides you through exactly what I am doing this growing season to achieve spud-sufficiency!

The 8-stage formula for working out how many potatoes to grow:

Stage 1: Work out how many potatoes you need in kilos or pounds.
Now I have an appetite, so while a suggested portion of potatoes is 200g, for my sake I am going to double that to 400g. However your potation may only by 300g so adjust as needed. I eat 5 portions of potatoes a week, then the total weekly requirement would be 2kg.

Stage 2 - Refine the total based on storage
However it might not be practical to eat potatoes year round in terms of storage, so work out over how long you can simply manage eating potatoes from cool storage. So lets say I don’t have freezer space and I want to keep the potato growing simple, then I would need to grow enough for 44 weeks of the year which would be 88kg.

Stage 3 - Consider the needs of the entire household
Add up each members annual potato needs and write down that number!

Step 4 - Allocate space by working out average yield and plant numbers
The Self Sufficiency garden I have outlined the average yield per plant we got in the garden, and for maincrop potatoes it came in at 1.8kg per plant. I grew 5 plants per square metre, and so per square metre the yield was a healthy 9kg!

I like to work in square metres to know how much growing space I need to allocate. Now this 9kg yield was in nice fertile soil, so I will change it down to 7kg as I will be growing them more extensively with a little less fertility, but with more mulch.

And so the square metres I need is 88kg divided by 7kg = 12.6

And to find the number of plants, just time the plants per square metre by the total square metre needed.

12.6 x 5 = 63 potato plants

Step 5 - Redundancy/security for final total
Always build in some redundancy for potation low yields or failures, so times the number of metres by at least x1.2 and work out total plant needs.

12.6sqaure metres x 1.2 = 15.1m

15.1 x 5 =75.5 so round up to 76 plants.

Step 6 - Lay out a plan
For me to be self-sufficient in potatoes to suit my needs 10 months of the year, I would need a 5x3m section of growing area and 76 potatoes. Doesn’t need to be detailed, just a few bullet points of what actions to take.

Stage 7 - Implement plan
Grow the spuds!

Stage 8 - Review and refine plan
Practice under your belt which means you can further tailor to your needs.

#selfsufficiency #gardeningtips #potatoes