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close this bookSourcebook of Alternative Technologies for Freshwater Augmentation in Africa (International Environmental Technology Centre - United Nations Environment Programme, 1998, 182 p.)
close this folderPart B - Technology profiles
close this folder1. Agricultural technologies
close this folder1.1 Fresh water augmentation
View the document(introduction...)
View the document1.1.1 Planting pits (zai)
View the document1.1.2 Demi-lunes or semi-circular hoops.
View the document1.1.3 Katumani pitting technical description
View the document1.1.4 Permeable rock dams
View the document1.1.5 Contour stone bunding
View the document1.1.6 Tied contour ridges
View the document1.1.7 Fanya-juu terracing
View the document1.1.8 Flood harvesting using bunds
View the document1.1.9 Earthen bunds
View the document1.1.10 External catchments using contour ridging
View the document1.1.11 Sand abstraction technical description
View the document1.1.12 Lagoon-front hand-dug wells
View the document1.1.13 Sub-surface dams, small dams, and sand dams
View the document1.1.14 Cloud seeding
View the document1.1.15 Tidal irrigation