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Underground tank

No change in size, 06:24, 2 October 2013
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====Build the tank====
[[Image:TankLiningOptions.jpg|thumb|none|500px|Recommended options for the tank lining when plastering the walls.]]
[[Image:RootZoneDepth.jpg|thumb|right|350px200px| Preparing to ram the bottom of the underground tank <br> ©Practical Action/Douglas Gumbo.]][[Image:AddTankLining.jpg|thumb|right|350px200px| Tank lining / Plastering <br> ©Practical Action/Douglas Gumbo.]]
# Along any dug dead level contour (which is your collection area) choose where you can construct your storage tank. If you would like to consider nearby crops, the storage tanks should be near all soils that allow rapid percolation. This is because your soil quickly loses water and that's where your plants are likely to show signs of moisture stress during the dry spell.
# Measure along the channel the length of the tank you want and mark using pegs. Dig the marked area up to a further depth of 500cm or more. The deeper it is the more water will be harvested.
Winona
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