The cultivatable surface of the Duero valley (more than 45,000 km2) presents mainly dry arable crops such as grain cereals (45%) and fodder plants (30%), with which agricultural treatments (fertilisers, pesticides, etc.) are less used.
The cultivatable surface of the Duero valley (more than 45,000 km2) presents mainly dry arable crops such as grain cereals (45%) and fodder plants (30%), with which agricultural treatments(fertilisers, pesticides, etc.) are less used.