Applied and Environmental Soil Science

Research Article

Characterization of Potential Plant Growth Promoting Rhizobacteria Isolated from Maize (Zea mays L.) in Central and Northern Benin (West Africa)

Table 1

Agroecological characteristics of villages surveyed.
Agroecological zone ClimateAnnual pluviometry (mm)VillageType of soilOther crops grown
I :
Far North Benin		Sudano-Sahelian with one rainy season700 to 900/yearsTomboutouWashing and No Concretion Tropical Ferruginous Soil 
Rice, sorghum, small millet
Monsey
Molla centreWashing and Hydromorphic Tropical Ferruginous Soil
II :
Cotton zone of
North Benin		Sudanese with one rainy season800 to 900/yearsBensékouWashing and Idurate Tropical Ferruginous Soil 
Millet
Sonsoro
ArbongaWashing and Hydromorphic Tropical Ferruginous Soil
III: 
food-producing zone of
South Benin		Sudanese with one rainy season900 to 1300/yearsIna 
N’dali 
Sakarou		Washing and Concretion Tropical Ferruginous SoilSorghum, cotton, bean, cassava
IV:
West
Atacora zone		Sudanese with one rainy season800 to 1300/yearsBariénouFew Washing Tropical Ferruginous SoilSorghum, bean, bambara groundnut, cassava, groundnut, yam
Koua
BagriFew Developed Soil
V: 
Cotton Zone of Central Benin		Sudano-Guinean with two rainy seasons1100 to 1400/yearsAchakpaImpoverished Tropical Ferruginous SoilYam, cassava, pimento
Manigri OkéWashing and No Concretion Tropical Ferruginous Soil
Manigri Ikanni