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Correction des ravins par des Seuils en gabion ou en maçonnerie
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Correction des ravins par des Seuils en gabion … [Morocco]

Le seuil en gabion: est un barrage élevé en pierres sèches assemblées dans des gabions de fil de fer galvanisé double torsion (N°17 φ 3mm). Le corps de l'ouvrage se compose d'une ou plusieurs rangées de gabions de largeur décroissante avec la hauteur construite horizontalement les unes sur les autres …

  • Compiler: UNCCD PRAIS
Confection de Terrasses de cultures avec murs en pierres.
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Confection de Terrasses de cultures avec murs en … [Morocco]

Il s’agit d’une technique très ancestrale dans les vallées de N’Fis et Rhiraya et qui consiste à transformer les versants à pente raide (5 à 40% et plus) en une série de terrasses nivelées progressives et irrigables en aval des sources ou de dérivations des oueds. Les terrasses sont séparées …

  • Compiler: UNCCD PRAIS
Banquettes et éléments de banquettes avec plantations
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Banquettes et éléments de banquettes avec plantations [Morocco]

Il s’agit de "fossés" exécutées suivant les courbes de niveau et se caractérisent par trois parties : le talus, le bourrelet et le fond . On distingue trois profils théoriques : 1) profil en V déversé vers l’amont favorisant plus l’évacuation latérale des eaux de ruissellement au dépens de l’infiltration …

  • Compiler: UNCCD PRAIS
Correction des ravins par des Seuils métalliques filtrants
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Correction des ravins par des Seuils métalliques filtrants [Morocco]

La structure des seuils est basée sur un dispositif de piquets en bois, en béton ou en tubes ou tiges carrées métalliques bien encrés dans le lit et tout au long du profil en travers du ravin. Ils jouent le rôle de pieux de soutènement. La figure ci-dessous présente le …

  • Compiler: UNCCD PRAIS
Conservation Tillage adapted to the Namibian environment and known as "Lima Nawa"
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Conservation Tillage adapted to the Namibian environment and … [Namibia]

The CONTILL approach is specially tailored towards Namibia’s low and erratic rainfall, and sandy and degraded soils. It advocates the use of a ripper furrower/constant traffic approach to break up the compacted sub-soil hard pan (caused by compaction from using disc harrows) and to ensure in-field water harvesting and soil …

  • Compiler: UNCCD PRAIS
Planned Grazing through Herding (PGH)
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Planned Grazing through Herding (PGH) [Namibia]

The PGH best practice has been trialled on 3 conservancies. Each conservancy was divided up into grazing areas. These smaller areas were mapped, and the farmers of several areas developed a land plan and grazing plan for each area. Herders were appointed, and planned grazing started in five areas. A …

  • Compiler: UNCCD PRAIS
Leasehold Forestry
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Leasehold Forestry [Nepal]

1. Poverty elevation 2. Participation of Ultra- poor people in forest development 3. Control deforestation and forest degradation 4. Enhance soil fertility and productivity of degraded forest land

  • Compiler: UNCCD PRAIS
Degraded Land Rehabilitation
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Degraded Land Rehabilitation [Nepal]

In the first call of meeting, very few farmers turned up and showed no interest in dealing with the office staff. They disappeared just after a very short talk of about half an hour. After four/five uncalled visits and informal talks about the Sukauri-khola micro-watershed management, the farmers were found …

  • Compiler: UNCCD PRAIS
Sustainable Farming in the Sloping Lands
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Sustainable Farming in the Sloping Lands [Nepal]

Under this practices sloping agriculture land technology (SALT-2 and SALT-4) were applied. In the sloping terrain fruits, fodder trees and broom brass were planted. Hedge row farming and alley cropping were applied. Different methods of agro-forestry practices were applied as necessary depending on site condition and specific condition of the …

  • Compiler: UNCCD PRAIS
BORROW-PIT COMMUNITY FOREST
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BORROW-PIT COMMUNITY FOREST [Nepal]

Borrow-Pit was the quarry site of earthen materials during hydro-power construction. A huge quantity of clay soils was borrowed from this site for the construction of core part of earthen dam. Later, the quarry sites of clay soil were converted to the degraded land, due to destruction of vegetation and …

  • Compiler: UNCCD PRAIS