The technical bulletins describe in the form of brochure, notices or panel and are use as auxiliary of vulgarisation.

The are grouping by agro ecological zone number as togheter :

1 : Sudano-Sahelian Agro Ecological Zone

2 : High Guinea Savanna Agro Ecological Zone

3 : Western Highlands Agro Ecological Zone

4 : Monomodal Humid Forest Zone

5 : Bimodal Humid Forest Zone