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Wastewater Use in Agriculture: Agronomic Considerations
Under water scarce conditions and in the absence of alternative sources, wastewater generated by domestic, commercial, and industrial sectors is used worldwide to irrigate a range of crops. The sustainable use of wastewater ...
Enhancing the productivity of high-magnesium soil and water resources in Central Asia through the application of phosphogypsum
Recent evidences from some irrigated areas worldwide, such as Central Asia, suggest that water used for irrigation contains magnesium (Mg2+) at levels higher than calcium (Ca2+). Excess levels of Mg2+ in irrigation water ...
CAC News No 34. October-December 2007
News from CGIAR Collaborative Research Program for Sustainable Agricultural Development in Central Asia and the Caucasus (CAC) covering the countries: Armenia, Azerbaijan, Georgia, Tajikistan, Turkmenistan, Kazakhstan, ...
Amelioration and nutrient management strategies for sodic and alkali soils
Sodic and alkali soils are characterized by the occurrence of excess sodium (Na+) to levels that can adversely affect soil structure and disturb the availability of nutrients for plant growth. Structural problems in these ...
CAC News No 31. January-March 2007
News from CGIAR Collaborative Research Program for Sustainable Agricultural Development in Central Asia and the Caucasus (CAC) covering the countries: Armenia, Azerbaijan, Georgia, Tajikistan, Turkmenistan, Kazakhstan, ...
Agricultural use of marginal - quality water - opportunities and challenges
This section examines the main types of marginal-quality water: wastewater from urban and
peri-urban areas and saline or sodic agricultural drainage water and groundwater
Extent and characterisation of salt-affected soils in Iran and strategies for their amelioration and management
Salinisation of land resources is a major impediment to their optimal utilisation in many and and semi-arid regions of the world including Iran. Estimates suggest that about 34 million ha, including 4-1 million ha of the ...
CAC News No 32. April-June 2007
News from CGIAR Collaborative Research Program for Sustainable Agricultural Development in Central Asia and the Caucasus (CAC) covering the countries: Armenia, Azerbaijan, Georgia, Tajikistan, Turkmenistan, Kazakhstan, ...
CAC News No 33. July-September 2007
News from CGIAR Collaborative Research Program for Sustainable Agricultural Development in Central Asia and the Caucasus (CAC) covering the countries: Armenia, Azerbaijan, Georgia, Tajikistan, Turkmenistan, Kazakhstan, ...
Managing salinity and waterlogging in the Indus Basin of Pakistan
Waterlogging and salinization are major impediment to the sustainability of irrigated lands and livelihoods of the farmers, especially the smallholders, in the affected areas of the Indus Basin. These problems are the ...