29
/fr/
fr
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
491234
41944
1
Créer
Public Timelines
Bibliothèque
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
1 janv. 1987 - Introduces hybrids and improved varieties as better yielding alternatives, also because some hybrids produced two cobs per plant. Both maize traditional maize varieties are lost.
Ajouté au bande de temps:
4 janv. 2018
0
0
296
F_Gomez
Date:
1 janv. 1987
Maintenaint
~ Il y a 37 ans