Hi Mihai ,
My situation is different because it is already grown back from being what you have. But similar I think because it is not super rich soil and berry bushes and trees thrive. My land was pasture like you have in my fathers childhood( 1940's) He later planted alot of spruce trees, all throughout are patches of blackberries that have grown up, and
apple trees that survived from the pasture days. I have been harvesting for cash mature spruce to let it get more light.
Ash trees and elder are growing up.
This has given me established permanent beds to tend . I have also added more Elderberry , which was propogated from 2 bushes my grandfather planted in 1930 s. I now have 100 + bearing fruit. ( Sambucus)
We also have the Hawthorn( Posted photo above) Serviceberry(amalancier) lots of wild rose( give nice vitamin rich jam), blueberries( lowbush) Hazelnuts, Vibernum and also
local delicacy "fiddleheads"( ostrich fern) you eat the young shoots.
So I am lucky because I don't have to plant too much on the
permaculture side, as I have alot already established, which I do look after by cutting out deadwood etc.
This is also the reason why I believe in these plants. My family has been on this land since 1930. Nature itself has been my biggest helper. ANd it has inspired me , I encourage certain trees and discourage others.
I will start a
thread on the Elderberry, as I will soon be making new cuttings. They are very easy to propagate. They are also common in Europe ( Sambucus nigra) .
The Elder is very special, almost magical. Maybe in Romania too? We are from Denmark originally. THe Elder is associated with the goddess of life and death. The ripe fruit is good for the health( must be cooked) and the raw fruit and leaves are poison. It is considered good luck for family health to grow it. In English " The Lady Tree".
All in all the blackberry is my favourite. You have a long one in your photo. Some people don't like them because of the thorns. The thorns also prevent animals and birds from stealing the fruit. Also the stem that bears fruit can be cut away at harvest as it will not produce again. These vines get really long and produce alot of food. I can almost never pick it all. They make a very good syrup for winter. Elderberry too. It is the easiest to pick. Blackberry is slow picking but they produce berries in two stages about 2-3 weeks apart.
Only problem for you might be if its too dry the berries dry up on the vine and are hard to remove. Then they can be used dried in worse case.
I would study the local botany. I was lucky , my father was a forester and botanist so I know alot of the bushes and collect cuttings this time of year. Put them in
coffee cans with water and some nutrient in it( just a little soil or manure will do) or some
root hormone(not my choice).
You should be able to find Elder, Vibernum somewherein your area. The elder will like wetter ground but will grow on dry land too. Blackberry is hard to make cuttings from. YOu will need to dig up the plant. There are likely lots of places, maybe roadside that you can get. I see alot of them under power transmission corridors. Look around. Hopefully you are already good at identification and know of some sources. Starting out we sometimes have to be a bit daring and adventurous.
Good Luck !