Why does my Duke Of York Potatoes grow all tops and no tubers?
Question:The potatoes are red in colour but growth is so small and very disapointing can anyone shed any light on this variety
Answers:
Don't give them a fertilizer that is high in nitrogen. That will do the opposite of what you want. Nitrogen makes plants grow up. What you want are fertilizers that are high in the other two: phosphorous and potassium. Those two help make the roots of plants grow. And of course for potatoes, the potato is part of the root. So making the roots grow will help make the potato bigger.
With other plants you normally fertilize with fertilizer that is high in nitrogen and fairly low in the other two.
The percentage of the Nitrogen, Phosphorous, and Potassium is noted by the three numbers that are on every fertilizer bag.
They are always in the order:
Nitrogen - Phosphorous - Potassium
or
N - P - K
Are you giving them the correct type of fertilizer? Check !
Make sure you work up the ground real good before you plant. If the ground is hard they will not produce. Like you said the potatoes will be tiny.
Here is something else that might help. An old wive's tale, I think.
If your plants are pretty when you plant them and stay that way until harvest then you will not have a good crop.
Also you may not be planting them in the right sign.
Get a calendar, like the one you get from a bank or funeral home, etc.: The white ones that are rolled and look on the back pages. There you will find lots of helpful hints.
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