Evergreen Agriculture means placing trees on farms. These systems, indigenous to Africa, can boost crop yields, provide alternative incomes, resplenish soil fertility, increase soil carbon retention, and protect biodiversity. With these systems, food security becomes attainable; the land becomes more fertile; and the farm is better protected against extreme weather events.
This slideshow presents the latest evidence about the impact of evergreen agriculture.
Fertilizer use and crop production worldwide,Green revolution & fertilizer,Soil organic matter build-up & fertilizer,Fertilizers and the environment,Soil Fertility in Asia,Soil Fertility in Africa,Future needs for research and outreach
Potassium nutrition of crop plants. Why to include nonexchangeable potassium in soil testing ? Emerging nutrient deficiencies in rainfed agriculture,Carbon sequestration strategies: Trends from long term manurial trials,Strategies for soil fertility management
Catalogue of tested crop, soil, and water management options in target areas ...africa-rising
Presented by Patrick Mutuo, Lulseged Desta, Leigh Winowiecki, Job Kihara and Nelson Mango (CIAT) at the Africa RISING East and Southern Africa Research Review and Planning Meeting, Arusha, Tanzania, 1-5 October 2012
Fertilizer use and crop production worldwide,Green revolution & fertilizer,Soil organic matter build-up & fertilizer,Fertilizers and the environment,Soil Fertility in Asia,Soil Fertility in Africa,Future needs for research and outreach
Potassium nutrition of crop plants. Why to include nonexchangeable potassium in soil testing ? Emerging nutrient deficiencies in rainfed agriculture,Carbon sequestration strategies: Trends from long term manurial trials,Strategies for soil fertility management
Catalogue of tested crop, soil, and water management options in target areas ...africa-rising
Presented by Patrick Mutuo, Lulseged Desta, Leigh Winowiecki, Job Kihara and Nelson Mango (CIAT) at the Africa RISING East and Southern Africa Research Review and Planning Meeting, Arusha, Tanzania, 1-5 October 2012
Agroforestry for food security and climate resiliencePatrick Worms
Feeding 9 billion people by 2050 on less land, with less water, and more extreme weather can seem hopeless. But it is not so. Agroforestry, evergreen agriculture and using the findings of agrocecology to manage farms can all bring sizeable, durable gains in productivity - even on degraded lands. The debate needs to move on from the facile organic vs. intensive agriculture one - the future will mean combining the best of all technologies while taking the way that natural systems behave into account. Much of the science is in: it's feasible. Now we need to do it.
How do the challenges of Climate Change, Food and Nutrition Security and Health affect each other? What, in this context, is the role of R&D in providing sustainable and appropriate solutions? This presentation discusses the issue in the African context, and offers solutions based on agroecology and agroforestry.
Presentation by Abdoulaye Mando at the May 15, 2013 event "Natural Resource Management and Food Security for a Growing Population". For more information visit: http://www.wri.org/event/2013/05/natural-resource-management-and-food-security-growing-population
A sweeping tour of everything that agroforestry has to offer, from the frozen wastes of northern Europe to the drylands of the African Sahel. This presentation explores the mechanisms behind the successes of the mixing of trees and crops or trees and livestock and suggest some answers to the question regarding its relatively slow spread. It is the presentation that was used in this masterclass: https://vimeo.com/264522227
Author: Erika Styger
Title: Scaling Up Climate-smart Rice Production in West Africa
Date: February 11, 2016
Presented at the Issues in African Development Weekly Seminar Series
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Presentation by Dr Christian Thierfelder from CIMMYT, at the Regional planning meeting on ‘Scaling-Up Climate-Smart Agricultural Solutions for Cereals and Livestock Farmers in Southern Africa – Building partnership for successful implementation’,13–15 September 2016, Johannesburg, South Africa
What can you do when you are a poor smallholder, without money for machinery, fertilizer or other inputs? You can follow the example of Sebastian Scott from Zambia, whose absurdly productive farming systems will fill your belly and make you comfortable. The trick? Mix it all up. Trees, plants, animals. But do so with planning and purpose.
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3. Who are we?
• We are one of the 13 global reasearch centres of the
Consultative Group on International Agricultural
Research (CGIAR)
• We are dedicated to generating and applying the
best available knowledge to stimulate agricultural
growth in developing countries, raise farmers’
incomes, and protect the environment.
– Our Vision: a rural transformation in the developing
world as smallholder households increase their use of
trees in agricultural landscapes to improve their food
security, nutrition, income, health, shelter, energy
resources and environmental sustainability.
– Our mission: generate science-based knowledge
about the diverse roles that trees play in agricultural
landscapes, and use this research to advance policies and
practices that benefit the poor and the environment.
3
4. Our research priorities
• Domestication, utilization and conservation of superior
agroforestry germplasm.
• Maximizing on-farm productivity of trees and
agroforestry systems.
• Improving tree product marketing and extension
for smallholders.
• Reducing land health risks and targeting agroforestry
interventions to enhance land productivity and food
availability.
• Improving the ability of farmers, ecosystems, and
governments to cope with climate change.
• Developing policies and incentives for multi-
functional landscapes with trees that provide
environmental services.
4
5. Our participation in the CGIAR
Research Programmes (CRPs)
• CRP 1 Integrated Agricultural Systems
• CRP 2 Policy research
• CRP 4 Health and Nutrition
• CRP 5 Land and Water
• CRP 6 Forests, Trees and Agroforestry
• CRP 7 Climate Change and Agriculture
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6. Why agroforestry?
• Agroforestry lets farmers grow more food, fodder and fuel
while managing agricultural landscapes for critical ecosystem
services - sustainably.
• Agroforestry helps curb greenhouse gas emissions by
slowing the conversion of forest to farmland and by
sequestering more carbon on farms (in trees and the soil).
• The World Agroforestry Centre is unique:
– Over thirty years working with smallholders in Africa, Asia and
Latin America
– Strategic alliances with advanced laboratories, national research
institutions, universities and NGOs
– Hundreds of scientists across the tropics
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7. “Why agroforestry?” put
differently
The core problem: by 2050, we need to…
3. Double world food production, esp. in Africa
4. Make farms, fields and landscapes more
resistant to extreme weather, while…
5. … reducing greenhouse gas emissions
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9. 5000 The context: cereal yields by region
4500
4000
East Asia
3500
3000 Latin America
Kg per Hectare
2500
2000
South Asia
1500
1000
Sub-Saharan Africa
500
0
1960 1965 1970 1975 1980 1985 1990 1995 2000 2005
World Bank World Development Indicators
10. 2500
The context: fertiliser use by region
East
Asia
2000
100 grams per Hectare
1500
South Asia
1000
Latin America
500
Sub-Saharan Africa
0
1960 1965 1970 1975 1980 1985 1990 1995 2000 2005
World Bank World Development Indicators
11. African facts
• Population growth has rendered fallowing impossible
in many communities
• Land overuse is depleting soil organic matter, soil
carbon and soil microbiology
• Consequenlty, across drylands Africa, soil fertility is
dropping by 10-15% a year (Bunch, 2011)
• Deep poverty and logistical bottlenecks makes
fertiliser unaffordable for most
• Funding for fertiliser subsidies is scarce and fickle
Where will soil fertility, soil organic matter and
extreme weather resilience come from ?
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12. From trees.
Faidherbia Albida in teff crop system in Ethiopia
13. Long-term maize yield without fertilizer
in a Gliricidia system
P addition
resumed
Flood Drought Drought
P stopped
14. Malawi National Agroforestry
Food Security Programme
Malawi is one of African 16 countries (April 2012) that are implementing or setting up National Evergreen
Agriculture Action Plans, and the seat of the World Agroforestry Centre’s Southern Africa hub.
15. Gliricidia, a leguminous coppice tree, interplanted with maize. The leaves are cut and
turned over into the topmost soil layer, providing nitrogen and other nutrients
16. Impact of fertilizer trees on maize yield
under farmer management
_______________________________________
maize yield (t/ha)
Maize only 1.30
Maize + fertilizer trees 3.05
____________________________________________________________
2011 Survey of farms in six districts (Mzimba, Lilongwe, Mulanje,
Salima, Thyolo and Machinga)
17. Conservation Agriculture with Trees (CAWT)
National recommendations for maize in Zambia: Faidherbia Fertilizer
Trees at 100 trees per ha
18. Conservation Agriculture with Trees:
results in Zambia
Maize yield - zero fertiliser (t/ha)
2008 2009 2010
Number of trials 15 40 40
With Faidherbia 4.1 5.1 5.6
Without Faidherbia 1.3 2.6 2.6
________________________________________________________________________________________________________________________________________________________________________________________________
With Faidherbia trees and no fertiliser, yields exceed the average yield observed in East Asia
19. Farmer-Managed Natural Regeneration
Zinder, southern Niger in the 1980s
In FMNR, farmers will select the best shoots from trees regrowing
naturally from stumps and eliminate the rest. This promotes the
growth of vigorous new trees adapted to local conditions.
21. The end result: here, a Faidherbia tree & millet field in
Zinder district in Niger
22. Today, there are 5 million hectares of millet production in Faidherbia parklands
in Niger, producing 500,000 tons of extra grain a year !
23. Kantché district, Zinder, Niger
District of 350,000 people, with high tree on-field
densities. Rainfall averages ca. 350 mm per year,
typical of Sahel drylands.
Annual district-wide grain surplus:
2007 21,230 tons
2008 36,838 tons
2009 28,122 tons
2010 64,208 tons
2011 13,818 tons
Kantché produces grain surpluses even in drought years. This is mostly
exported to northern Nigeria, providing cash revenue.
Yamba & Sambo, 2012
23
24. Fertilizer tree options: from the short to the long term
Relay Fallow Improved Fallows Gliricidia / Maize Faidherbia/ Maize
intercropping (grain yield: 3-4 tons) intercropping
(grain yield: 2-3 (grain yield 3-5 tons) intercropping
tons) (grain yield 3-5+
tons)
1 year 2 years 3 years 5+ years
Waiting period before benefit accrues
25. Mature Faidherbia Agroforests in Senegal
What’s wrong with this picture? All the trees are old and risk declining soon. These lands are
not being managed for replacement tree growth.
26. What trees give to farms:
• Increased crop nutrient availability in rainfed food crop systems
• Improved microclimate and soil water relations conveying greater
adaptation to climate change
• Increased and more stable food crop productivity
• Increased food micronutrient availability (fruits)
• Enhanced dry season fodder availability
• Dramatically increased carbon accumulation in food crop systems:
6-10 tons of CO per hectare per year are common
2
• Enhanced biodiversity
• Reduced deforestation due to on-farm fuelwood and timber
production
27. Aggregate maize yields with fertilizer trees are
closing to gap with East Asian averages
2009/2010 season; data from 6 Malawian districts
Plot management Sampling Mean Standard
Frequency (Kg/Ha) error
Maize without fertiliser 36 1322 220.33
Maize with fertiliser 213 1736 118.95
Maize with fertiliser trees 72 3053 359.8
Maize with fertiliser trees & fertiliser 135 3071 264.31
Mwalwanda, A.B., O. Ajayi, F.K. Akinnifesi, T. Beedy, Sileshi G, and G. Chiundu 2010
27
28. Because it works, evergreen agriculture and agroforestry are spreading across Africa, both from the grassroots
and through government programmes.
This spread must be hugely speeded up to meet the needs of tens of millions of smallholder farmers.
33. Growing Evergreen Agriculture on
farms
1. Offer support to countries launching evergreen agriculture
programmes:
– Help establish the right policies
– Technical support to define and establish best systems
– Boost extension services reach and quality
• Research, develop and support the implementation of scaling
up and scaling out to many millions of smallholders
– Support to pioneer farmers, to national extension services, to
NGOs and INGOs
• Encourage more partnerships between research and
development (the World Agroforestry Centre already work with World Vision, Oxfam, CARE, Concern
Worldwide, AGRA and many more)
• Help spread the idea of “trees on farms” further at national
and international levels
33
34. Building the science of Evergreen
Agriculture
• Grow the science by encouraging research partnerships
across the region to tackle key questions:
• Develop systems adapted to as many agroecological
regions as are encountered
• Resolving complex policy issues
• Enhancing targeting & scaling-up
• Ensure quality tree genetics and plentiful tree seed
supplies
• Enhance tree propagation and establishment
• Adapt to integrated production systems
• Estimate potentials for climate change adaptation
• …
34
35. Conclusion
Agroforestry and EverGreen Agriculture are
• fresh, low-cost approaches to land regeneration and food
security that have their roots in Africa and are spreading
across the tropics and that are
• being adopted by millions of smallholders.
• Poor households should be targeted over large areas to
end hunger on small farms; working in the
• many nations that are creating the policy and
institutional environments to favor adoption.
• Research is critical to underpin the acceleration of more
widespread adoption
36. For more information
Patrick Worms, World Agroforestry Centre
Email:p.worms@cgiar.org
Tel: +32 495 24 46 11
www.worldagroforestrycentre.org
www.worldagroforestrycentre.org/evergreen_agriculture
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