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2 mai 1970 - Canola

Description:

The greatest change ever in crop planting came with the introduction of canola, a plant able to produce a more desirable oil for the food trade. Canola became a dominant crop on the Canadian prairies, causing the greatest change ever in crop planting.

Ajouté au bande de temps:

7 févr. 2020
1
0
1806

Date:

2 mai 1970
Maintenaint
~ Il y a 55 ans