S/N | Competencies in: | = NG | R | ||
Contour Bunding | |||||
1 | Identify the erosion site | 4.00 | 2.69 | 1.31 | IN |
2 | Prepare the site for contour bonding | 3.96 | 2.69 | 1.27 | IN |
3 | Observe the contour and its slope | 3.96 | 2.41 | 1.55 | IN |
4 | Measure the contour and its slope | 3.93 | 2.56 | 1.37 | IN |
5 | Lay out contour using stake driven into the ground on point of equal elevation | 3.96 | 2.39 | 1.57 | IN |
6 | Determine the elevation using farm level or Abney level | 3.95 | 2.45 | 1.50 | IN |
7 | Construct the contour bund using suitable implement | 3.92 | 2.39 | 1.52 | IN |
8 | Space the contour bund at 10 - 20 cm interval | 3.79 | 1.95 | 1.84 | IN |
9 | Make the contour bund during period of low rainfall | 3.93 | 1.72 | 2.20 | IN |
10 | Plant crops on the bunds | 3.94 | 1.52 | 2.43 | IN |
11 | Stabilize the contour bund with vegetation to withstand heavy rainstorm | 4.00 | 1.46 | 2.54 | IN |
Terracing | |||||
12 | Clear the farmland of existing vegetation | 3.93 | 1.63 | 2.30 | IN |
13 | Survey the farmland and note the slope and gullies | 3.92 | 3.16 | 0.76 | IN |
14 | Plan the terrace according to the drainage unit of the farm | 4.00 | 2.54 | 1.46 | IN |
15 | Mark out position for the construction of the terrace | 3.94 | 1.63 | 2.31 | IN |
16 | Construct the terrace with appropriate implement | 3.91 | 1.82 | 2.09 | IN |
17 | Construct the terrace by breaking the slope into steps | 3.88 | 1.61 | 2.27 | IN |
18 | Place barriers such as sandbag, log of wood | 3.96 | 1.46 | 2.50 | IN |
19 | Arrange for the maintenance of the terrace | 3.96 | 1.46 | 2.50 | IN |
20 | Construct diversion channel to remove excess water | 3.78 | 1.45 | 2.34 | IN |
21 | Plant crops on the terrace | 4.00 | 1.88 | 2.12 | IN |
22 | Plant grass along the diversion channel to prevent under wash | 3.96 | 1.53 | 2.43 | IN |
Channeling | |||||
23 | Prepare the site for channeling | 3.78 | 1.13 | 2.24 | IN |
24 | Survey the farmland | 3.78 | 2.83 | 0.95 | IN |
25 | Determine the slope, length and width of the slope | 3.81 | 1.65 | 2.17 | IN |
26 | Measure out the length and width of the slope | 3.76 | 1.52 | 2.24 | IN |
27 | Determine the channel depth | 3.81 | 1.43 | 2.39 | IN |
28 | Build the channel incorporation with adjacent land owner for common runoff outlet system | 3.79 | 1.43 | 2.36 | IN |
29 | Excavate the channel with relevant implement | 3.73 | 1.45 | 2.28 | IN |
30 | Build the channel using concrete or cement block or corrugated metals | 3.74 | 1.45 | 2.28 | IN |
31 | Install drop-check structure at interval along the channel to reduce the rate of flow | 3.74 | 1.35 | 2.39 | IN |
32 | Arrange for a permanent maintenance | 3.72 | 1.53 | 2.19 | IN |
33 | Grass the outlet to prevent wash | 3.64 | 1.53 | 2.11 | IN |
34 | Dig catchments pits beside farmland | 3.72 | 1.53 | 2.20 | IN |
Tunneling | |||||
35 | Survey farmland and note the direction of water flow and its stand | 3.79 | 1.42 | 2.37 | IN |
36 | Draw plan for the tunneling | 3.73 | 1.33 | 2.40 | IN |
37 | Measure out the position for the installation of tunnel | 3.79 | 1.32 | 2.48 | IN |
38 | Build the tunnel with concrete materials | 3.69 | 1.41 | 2.28 | IN |
39 | Excavate soil from the measured position | 3.70 | 1.26 | 2.42 | IN |
40 | Build the tunnel when rainfall is low | 3.62 | 1.21 | 2.42 | IN |
41 | Install the tunnel in the excavated position | 3.71 | 1.32 | 2.39 | IN |
42 | Cover the tunnel with top soil | 3.81 | 1.15 | 2.66 | IN |
43 | Allow water to pass through the tunnel | 3.81 | 1.15 | 2.66 | IN |
44 | Connect the tunnel to the nearest convenient outlet | 3.72 | 1.35 | 2.35 | IN |
45 | Plant grasses along the outlet to prevent under wash | 3.58 | 1.27 | 2.31 | IN |