Table 1 Characteristics of the three agro-ecological zones of Benin

Location

9°45′–12°25′ N

7°30′–9°45′ N

6°25′–7°30′ N

Sinsin et al. [52]

Rainfall (mm)

< 1000

900–1110

1200

Judex et al. [51]

Climate type

Dry tropical

Humid tropical

Humid tropical

Judex et al. [51]

Density of population^††

33–49

51–162

191–8593

INSAE [49]

Days in growing season

90–100

180–270

270–365

Jahnke and Jahnke [50]