In Sweden, Poland and Portygal, the students sowed the same seeds (onion and carrot) on the same day, 31/03/17.
Here is a small film with the work of our students of the vocational course of Biotourism (Portugal).
The results are explored on this website:
https://claportugal.blogspot.com/2017/10/os-resultados-da-nossa-sementeira-de.html