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The Future of DrylandsDegraded Arid Land Restoration for Afforestation and Agro-Silvo-Pastoral Production through New Water Harvesting Mechanized Technology

The Future of Drylands: Degraded Arid Land Restoration for Afforestation and Agro-Silvo-Pastoral... [The Keita Integrated Development Project implemented in Niger during the 1980s was an Employment Intensive Investment Project. While working within the project's framework in 1987, Venanzio Vallerani, an Italian expert, noted the slow pace of land reclamation and the demanding nature of the work due to the scarce availability of workers (low population density). Hence, most of the degraded lands with heavy soils were abandoned. To achieve a significant impact, he noted that rapid reclamation of large areas was needed. He invented two ploughs, the “Delfino” (dolphin) and the “Treno” (train), which were adapted to different soil types and were able to reclaim large areas of degraded land. These automatic ploughs built micro-catchment basins at a rate of 700–1,500 “half-moons” per hour (compared with the 1–2 hand made “half-moons” built per day per worker on comparable soils).] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

The Future of DrylandsDegraded Arid Land Restoration for Afforestation and Agro-Silvo-Pastoral Production through New Water Harvesting Mechanized Technology

Editors: Lee, Cathy; Schaaf, Thomas
Malagnoux, Michel
The Future of Drylands — Jan 1, 2008
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References (2)

Publisher
Springer Netherlands
Copyright
© Springer Netherlands 2008
ISBN
978-1-4020-6969-7
Pages
269–282
DOI
10.1007/978-1-4020-6970-3_30
Publisher site
See Chapter on Publisher Site

Abstract

[The Keita Integrated Development Project implemented in Niger during the 1980s was an Employment Intensive Investment Project. While working within the project's framework in 1987, Venanzio Vallerani, an Italian expert, noted the slow pace of land reclamation and the demanding nature of the work due to the scarce availability of workers (low population density). Hence, most of the degraded lands with heavy soils were abandoned. To achieve a significant impact, he noted that rapid reclamation of large areas was needed. He invented two ploughs, the “Delfino” (dolphin) and the “Treno” (train), which were adapted to different soil types and were able to reclaim large areas of degraded land. These automatic ploughs built micro-catchment basins at a rate of 700–1,500 “half-moons” per hour (compared with the 1–2 hand made “half-moons” built per day per worker on comparable soils).]

Published: Jan 1, 2008

Keywords: Land reclamation; mechanized techniques; water and soil conservation; contour lines

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