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Evergreen Agriculture from Agriculture and Rural Development Day (ARDD) 2011

Evergreen Agriculture from Agriculture and Rural Development Day (ARDD) 2011






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    Evergreen Agriculture from Agriculture and Rural Development Day (ARDD) 2011 Evergreen Agriculture from Agriculture and Rural Development Day (ARDD) 2011 Presentation Transcript

    • Evergreen Agriculture What is it, what makes it work, and what is the promise? Dennis Garrity Distinguished Board Research Fellow World Agroforestry CentreDrylands Ambassador, UN Convention to Combat Desertification
    • Two Major Types of Evergreen Agriculture(1) Farmer-Managed Natural Regeneration of Indigenous Trees on Farmlands, as in the Sahel(2) Trees planted in annual cropping systems, as in Eastern and Southern Africa and South Asia
    • The albida halo effect
    • Farmer-Managed Natural Regeneration of Indigenous Trees in the semiarid lands of the Sahel
    • High-density Faidherbia millet systems in Niger
    • 5 m ha of parklands dominated by Faidherbia in Niger
    • Expansion of agroforestry parklands in W AfricaA basis for a new vision of regreening the Sahel
    • Key examples of Evergreen Agriculture in Eastern and Southern Africa•  Faidherbia albida in maize production systems•  Fodder shrubs for balanced dairy nutrition•  Mango and other fruits intercropped in maize systems•  Grevillia robusta intercropped in maize for timber, fodder & fuel•  Intercropped coppicing leguminous trees in maize (eg Gliricidia in Malawi)•  Relay-cropped leguminous species managed as annual green manure (eg Tephrosia)•  Improved fallows with leguminous species (eg Sesbania sesban)
    • National recommendations for maize in Malawi & Zambia: Faidherbia Fertilizer Trees at 100 trees per ha
    • Malawi National Agroforestry Food Security Programme
    • Impact of fertilizer trees on maize yield_______________________________________Plot management Yield (t/ha)Maize only 1.30Maize + fertilizer trees 3.05____________________________________________________________Survey of farms in six districts (Mzimba, Lilongwe, Mulanje, Salima,Thyolo and Machinga)
    • Kenyan Farmlands: Bold policy to achieve >10% tree cover on farms through aNational Evergreen Agriculture Programme
    • Faidherbia albida is commonly found in cereal cropsystems in Ethiopia. Government is launching a new programme in 2012 to plant 100 m more trees.
    • For More Information World Agroforestry Centre www.worldagroforestry.org Evergreen Agriculture page www.worldagroforestry.org/ evergreen_agriculture Email contacts: d.garrity@cgiar.org – 
    • The Next PhaseAccelerate the ongoing national scaling- up programmes in Malawi, Zambia, Burkina Faso and NigerNational Agroforestry Food Security Programmes being developed for Senegal, Ethiopia, Rwanda, and KenyaPreparatory work for new programmes under way in Tanzania, Mali, and 12 other countries
    • What are the key research issues?Quality genetics•  More complete germplasm collection & characterization•  More extensive provenance trials•  Identification of superior seed sourcesPropagation and agronomy•  Better propagation and tree establishment methods•  Determine optimum tree densities•  Elucidate optimum soil fertility synergies between organic and inorganic nutrient sourcesCarbon sequestration and climate change•  Carbon estimates (soil & above-ground) and modeling•  Methodologies for smallholder carbon projectsBiodiversity effects of agroforests on croplandsEconomics, social & cultural aspectsPolicy reformTargeting & Scaling-up methodologies