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Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
Another Kind of Green Revolution in Drylands
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Another Kind of Green Revolution in Drylands

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Presentation by Chris Reij (Senior Fellow, WRI) at the May 15, 2013 event "Natural Resource Management and Food Security for a Growing Population". For more information visit: …

Presentation by Chris Reij (Senior Fellow, WRI) 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

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  • 1. Chris Reij ESTABLISHED 1982 ANOTHER KIND OF GREEN REVOLUTION IN DRYLANDS
  • 2. THE CONVENTIONAL AGRICULTURAL MODERNISATION PARADIGM IN ACTION: NOT SUSTAINABLE, NO RESILIENCE,NO EQUITY AGROFORESTRY IS THE PILLAR OF AGRICULTURE IN DRYLANDS AND SUBHUMID REGIONS
  • 3. RE-GREENING = INCREASING THE NUMBER OF ON-FARM TREES PRODUCES MULTIPLE IMPACTS ☺ SOIL ORGANIC MATTER/SOIL FERTILITY ☺ FODDER FOR LIVESTOCK ☺ FOOD SECURITY ☺ HOUSEHOLD ENERGY ☺ COMPLEX FARMING SYSTEMS ☺ VALUE CHAINS ☺ NUTRITION ☺ ADAPTATION TO CLIMATE CHANGE ☺ CARBON SEQUESTRATION ☺ BIODIVERSITY
  • 4. NIGER: 5 MILLION HA OF NEW AGROFORESTRY PARKLAND
  • 5. SENEGAL: ? MILLION HA OF PARKLAND IN THE PEANUT BASIN
  • 6. MALI: 6 MILLION HA OF PARKLAND IN SOUTHERN MALI
  • 7. NEW AGROFORESTS ON MALI’S SENO PLAINS (450,000 ha) GRAIN SURPLUS IN 2011: about 50,000 tons
  • 8. BURKINA IS GRADUALLY TRANSFORMED INTO AN AGROFORESTRY PARKLAND
  • 9. FOOD DEFICIT IN NIGER IN 2011 -2012: 600,000 TONS
  • 10. Grain surplus Kantché District (Zinder/Niger). 350,000 inhabitants; high on-farm tree densities • 2007 + 21,230 ton • 2008 + 36,838 ton • 2009 + 28,122 ton • 2010 + 64,208 ton • 2011 + 13,818 ton Source: National Committee for the Prevention and Management of Food Crises and FEWS Quoted by: Yamba and sambo (2012)
  • 11. VEGETATION TURNS DOWN THE HEAT
  • 12. Village Degree of vulnerability Kouka Samou Doukoum Doukoum Kirou Haussa Zedrawa Daré Least vulnerable 200 40 140 125 135 Medium Vulnerable 110 37 120 70 63 Very vulnerable 80 83 26 40 100 Extremely Vulnerable 104 50 116 80 45 AVERAGE ANNUAL HOUSEHOLD INCOME FROM NEW AGROFORESTRY PARKLAND (US $) Source: Yamba and Sambo (2012)
  • 13. 1990 AGROFORESTRY AS CO-BENEFIT OF WATER HARVESTING 2004 Demi lunes Combretum glutinosum Zaï Simple techniques Piliostigma reticulatum Big impacts
  • 14. Rainfall, WH techniques and cereal yields in Niger (1991 – 1996) Rainfall Badagui chiri Illéla 1991 726 mm 581 mm 1992 423 mm 440 mm 1993 369 mm 233 mm 1994 613 mm 581 mm 1995 415 mm 404 mm 1996 439 mm 440 mm Average 1991 – 1996 Zaï T0 T1 T2 ---- 520 764 0 297 494 0 393 659 0 969 1486 0 347 534 0 553 653 0 513 765 Half moons T0 T1 T2 0 655 1183 0 293 538 0 416 641 0 912 1531 0 424 615 0 511 632 0 535 857 Average Illéla district 386 241 270 362 267 282 301 T0 = before situation; T1 WH technique + manure T2 WH technique + manure + urea
  • 15. Group of Villages SWC technique Grain yield (kg/ha) Dry matter (kg/ha) Ziga Average region 434 2472 Zaï 772 3471 Stone bunds 574 2843 Zaï+ stone bunds 956 3798 Ranawa Average region 376 2375 Zaï 804 3822 Stone bunds 531 2964 Zaï+ stone bunds 922 3968 Source: Sawadogo, H. (2008) IMPACT OF WH TECHNIQUES ON CEREAL YIELDS IN 2007 (NORTHERN CENTRAL PLATEAU, BURKINA FASO)
  • 16. Water harvesting Agroforestry Micro-dosing + + Agroforestry Niger 500 kg/ha Agroforestry + micro-dosing 900 – 1000 kg/ha Without water harvesting 0 kg/ha Water harvesting 500 kg/ha Water harvesting + microdosing 800 – 1000 kg/ha
  • 17. SOME DEVELOPMENT OPTIONS FOR SMALLHOLDER INTENSIFICATION AND RESILIENCE BUILDING IN DRYLANDS INCREASE ON-FARM TREE DENSITIES IN EXISTING PARKLANDS MICRO DOSING + IMPROVED VARIETIES IN EXISTING PARKLANDS (MILLIONS OF HA) DIVERSIFY TREE SPECIES REJUVENATE OLD PARKLAND BUILD NEW AGROFORESTS

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