Potatoes are growing!

We planted the potatoes in April and then we had a very dry spell without rain, but the potatoes are now growing well. Potatoes are planted in rows as you can see on the first picture.

Why do you think there is a pile of stones in the field? well everyone likes to buy perfect round potatoes in the supermarket with a good clean finish to the skin. If a potato grew around a stone in the ground then it would be mis shappen and if it grew too close to the top if the soil it would turn green and be rejected. How do we overcome this? we take the stones out of the soil in the rows and put it in the space between and we have to plant the potatoes at a depth where they don't come into contact with the light.

Its a complicated job!