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The African Network for Soil Biology and Fertility (AfNet) Saidou Koala CIAT-TSBF Cali 19 05 09
The yield gap and the limitations that cause it  Potential  yield  (Experimentation) Actual yield   Yield gap ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Yield Gap… ,[object Object]
Bridging the Yield Gap  ,[object Object],[object Object],[object Object],[object Object]
Bridging the Yield Gap…  ,[object Object]
AfNet  Strategy ,[object Object]
African Network for Soil Biology and Fertility (AfNet) ,[object Object],[object Object],[object Object],[object Object]
ISFM & Eco-Efficiency ,[object Object],[object Object]
AfNet & Eco-Efficient Agriculture ,[object Object]
AfNet’s Overall Goal ,[object Object]
Main Focus Areas  ,[object Object],[object Object],[object Object]
Research and Development Activities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
1 2 3 4 7 6 5 8 9 10 11 12 13 14 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Selected AfNet research sites Koulikoro, Fana, Niono (ICRISAT, IER) University of Abidjan-Cocody Lamto Kumasi Farakou-Ba, Kouare (INERA) Sadore, Banizoumbou Karabedji, Gaya, Gobery (ICRISAT) Zaria Lome ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Mlingano, Sokoine university Egerton university, Nairobi university, KAR-KEFRI-ICRAF Ndere dance Troupe Makerere university NARO University of Zimbabwe Misamfu Research  Centre, Chilanga University of Kisangani IRAD, University of Yaounde 15 University of Witwatersrand University of Fort Hare 16 FOFIFA 17 Chitedze More than 100 research sites in Africa
The Sahelian Drylands Area: 1.2 million km 2 Population: 38 million Millet & sorghum belt: 23 million ha Impact zones Tactics for implementation Humid Forest Zone Area: 5.8 million km 2 Population: 168 million Cassava belt: 18 million ha NERICA potential: 2 million ha  Moist Savanna and Woodland Zones Area: 4.4 million km 2 Population: 157 million Maize belt: 32 million ha CA potential: 7 million ha S N E W 0 1000 2000 kilometers
Innovation platforms Provides a forum and mechanism for articulating stakeholders’ demands and matching such demands with effective and adequate supply of technologies and innovations. Tactics for implementation
A Soils Platform for SSA ,[object Object]
Outputs ,[object Object],[object Object],[object Object],[object Object],[object Object]
Investment Needs… ,[object Object],[object Object],[object Object],[object Object],[object Object]
Looking ahead ,[object Object],[object Object],[object Object]
Looking ahead … ,[object Object],[object Object]
Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
Yield Gap ,[object Object],[object Object],[object Object]
Location of some selected long-term experiments in Africa
Investment needs ,[object Object]

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The African Network for Soil Biology and Fertility (AfNet)

  • 1. The African Network for Soil Biology and Fertility (AfNet) Saidou Koala CIAT-TSBF Cali 19 05 09
  • 2.
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  • 8.
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  • 14. The Sahelian Drylands Area: 1.2 million km 2 Population: 38 million Millet & sorghum belt: 23 million ha Impact zones Tactics for implementation Humid Forest Zone Area: 5.8 million km 2 Population: 168 million Cassava belt: 18 million ha NERICA potential: 2 million ha Moist Savanna and Woodland Zones Area: 4.4 million km 2 Population: 157 million Maize belt: 32 million ha CA potential: 7 million ha S N E W 0 1000 2000 kilometers
  • 15. Innovation platforms Provides a forum and mechanism for articulating stakeholders’ demands and matching such demands with effective and adequate supply of technologies and innovations. Tactics for implementation
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  • 24. Location of some selected long-term experiments in Africa
  • 25.