Hi, I've recently dug up a potato crop and most of them are quite small. I prefer to grow veg naturally no feed only sun shine (HA !!) and water.
Any advice to make potatoes bigger?
Simple-you have to feed plants or feed the soil so they can take up nourishment-potatoes are heavy feeders-no plant will flourish on water and sunshine alone -can you?
LOL Geoff. I didn't realize you had to fertilize potatoes as well! Tut, wish you could get foods stamps for plants!
James, this will be my first attempt to grow potatoes in time for Christmas, so glad you asked, or mine would have just had sunshine (when applicable) and water as well, producing many marbles I suspect.
Ah, but you said 'No feed' - manure adds nutrients to the soil - did you manure your potato patch last winter or is this a very new plot?
I only started our new plot this spring so I did not manure the potato patch as freshly manured ground is liable to cause potato scab. We are growing 1st earlies to eat as 'new potatoes' we've had a reasonable yield per plant (enough for a meal for two people each plant) - the size of the potatoes has been quite variable. We're growing Annabelle - what variety are you growing?
We like to garden fairly organically (although not strict about it) so I've used some organic chicken manure pellets and a little organic seaweed fertiliser powder on the veg patch as the nearby tree roots had made the soil quite 'hungry'.
All plants can (almost) make something from nothing by photosynthesis. But they actually need more than sunshine and water. They need nitrogen.
One way of supplying nitrogen is through animal dung. Another way is through crop rotation. Legumes (peas and clover) are capable of fixing nitrogen from the air. Growing potatoes on a plot formerly used for legumes would be one way of solving the problem.
So it is possible to produce food from air and water.
James Davis wrote (see)
That was very blunt! I only a beginner with little knowledge. I feed the soil with manure, I was told to do it over the winter months?
You didn't say you were a beginner -you also said you hadn't used feed-my advice was based on what you wrote-sorry if you feel that was blunt
I think you'll find potatoes want a high potash feed.
Nitrogen is likely to produce too much Haulm instead of potatoes.
This what I use as a feed and slug repellant, http://www.sluggone.com/ .
We all have to learn sometimes, nobody knows it all.
You also need to leave them in the soil longer. You have dug them up too soon.