irrigation flow Articles
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Soil salinity and exchangeable cations in a wastewater irrigated area, India
Received for publication May 29, 2008. The salinity and cation composition of water and soil were documented in a large (98 km2) wastewater-irrigated area (WIA) downstream of Hyderabad, India. The wastewater, which flows in a river that passes through the city, had a high to very high salinity hazard (EC = 1.1–3.0 dS m–1) that increased with distance from the city. The EC of soil irrigated by ...
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Sustaining Mali’s Inner Niger Delta
The Inner Niger Delta in central Mali is a giant green oasis on the edge of the Sahara desert. It is one of the country’s most productive areas, but also among its poorest. At the height of the wet season, when the River Niger is swollen by heavy rainfall in Guinea, an area the size of Belgium, from Mopti to Tombouctou, turns into a landscape of lakes. As I discovered on a previous visit ...
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