Subsurface irrigation with ultra-low-pressure (ULP) dripper
Arash Nejatian, Abdoul Aziz Niane. (29/10/2022). Subsurface irrigation with ultra-low-pressure (ULP) dripper. Beirut, Lebanon: International Center for Agricultural Research in the Dry Areas (ICARDA).
In desert farming, water use efficiency is crucial for all plants including agroforestry crops such as date palm which are highly adapted to the desert ecosystems. To respond to the water use efficiency requirement in desert farming, innovation packages (Genetic, biophysical, and managerial) have been developed and deployed. Subsurface drip irrigation is one of such innovations. The system aims at minimizing water loss through evaporation, percolation and run of by directly delivering the water to the root zone. Subsurface irrigation is an improvement over the micro catchments established around the date palm trees. ICARDA and NARS partners in the Arabian Peninsula demonstrated that subsurface drip irrigation can save water in date palm production compared to conventional flood, drip, and bubbler irrigation systems Further improvement on sub surface irrigation is • Use of Ultra Low-Pressure Drippers (ULPD) to minimize energy consumption and facilitate us of solar energy • Placement of the ULPD within perforated tubes facilitating moisture distribution while preventing clogging
- Agricultural Research Knowledge 
Niane, Abdoul Azizhttps://orcid.org/0000-0003-0873-4394
supplemental and sub-surface irrigation; affordable and clean energy; date palm; systems transformation; genetic innovation; good health and well-being; decent work and growth economic; responsible consumption and production; clean water and sanitation; climate adaptation and mitigation; environmental health and biodiversity; resilient agrifood systems; nutrition, health and food security; poverty reduction, livelihoods and jobs
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