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Mengesha - Lessons from upstream soil conservation measures to mitigate soil erosion and improve land productivity in the humid highlands of northwestern Ethiopia.

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Mengesha - Lessons from upstream soil conservation measures to mitigate soil erosion and improve land productivity in the humid highlands of northwestern Ethiopia.

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Presentation delivered at the CIALCA international conference 'Challenges and Opportunities to the agricultural intensification of the humid highland systems of sub-Saharan Africa'. Kigali, Rwanda, October 24-27 2011.

Presentation delivered at the CIALCA international conference 'Challenges and Opportunities to the agricultural intensification of the humid highland systems of sub-Saharan Africa'. Kigali, Rwanda, October 24-27 2011.

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Mengesha - Lessons from upstream soil conservation measures to mitigate soil erosion and improve land productivity in the humid highlands of northwestern Ethiopia.

  1. 1. Source: Birru Yitaferu (Google Image)
  2. 2. AMHARA
  3. 3. Means in a column followed by the same letter are not statistically different at p≤0.05
  4. 4. Means in a column followed by the same letter are not statistically different at p≤0.05
  5. 5. Means in a column followed by the same letter are not statistically different at p≤0.05
  6. 6. Means in a column followed by the same letter are not statistically different at p≤0.01
  7. 7. Means in a column followed by the same letter are not statistically different at p≤0.05
  8. 8. Means in a column followed by the same letter are not statistically different at p≤0.05
  9. 9. Effect of local bund (1985-2010) on physico-chemical properties of soil at Anjeni catchment Bulk Organic Total Density Treatment Mater Nitrogen Available P (gm/cm3) Loss 1.767b 0.140b 6.734a 1.346a Deposition 3.024a 0.202a 7.882a 1.234b
  10. 10. Effect of topo-sequence (1985-2010) on physico- chemical properties of soil at Anjeni catchment Bulk Organic Total Available Density Treatments Matter (%) Nitrogen P (Bd) Crust slope 2.957ab 0.176ab 6.896a 1.20c Shoulder slope 1.420c 0.149b 7.046a 1.36a Back slope 1.986bc 0.153b 7.429a 1.30ab Foot slope 2.091bc 0.149b 7.431a 1.25bc Toe slope 3.784a 0.240a 8.357a 1.07d
  11. 11. Grain Yield Total Biomass Treatment (kg ha-1) (kg ha-1) Deposition 1077.23a 5208.3a Middle 759.93b 4183.3b Loss 656.19b 3491.7c
  12. 12.   Downstream   Sedimentation on •  dams •  reservoirs •  rivers
  13. 13. a b
  14. 14. Scale-up good Practices Source: GTZ-South Gondar
  15. 15. Scale-up good Practices Source: GTZ-South Gondar
  16. 16. Scale-up good Practices Source: GTZ-South Gondar
  17. 17. Scale-up good Practices Source: GTZ-South Gondar
  18. 18. Thank You

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