Ahmed TF, Hashmi HN and Ghumman AR, 2011. Performance assessment of Subsurface Drip irrigation System using pipes of varying flexibility. Mehran Univer-sity Research Engineering & Technology, 30(3): 361-370. [ISSN 0254-7821].
Allen RG, Pereira LS, Raes D and Smith M, 1998. Crop evapotranspiration: Guidelines for computing cropwater requirements. FAO Irrigation and Drainage Paper 56, Rome, Italy.
Al-Rumaih M and Kassem MA, 2003. The effect of irrigation interval on the yield and quality of palms dates. The The Canadian society for engineering in agricultural, Food and Biological Systems meeting. Montreal, conada: 43-58.
Al-Amoud AI, Fawzi S, Mohammad Saad A, Al-Hamed A and Ahmed M, 2000. reference evapo-transpiration and date palm water use in the Kingdom of Saudi Arabia. International Research Agricul- tural Science and Soil Science (ISSN: 2251-0044), 2(4): 155-169, April 2012. Available online
http://www.interes-journals.org/IRJAS
Al-Zaidi AA, Baig M B, Elhag, EA and Al-Juhani MA, 2013. Farmers’ attitude towards the traditional and modern irrigation methods in Tabuk region - King-dom of Saudi Arabia. Chapter 8. in. Science, Policy and Politics of Modern Agricultural System: Global Context to local Dynamics of Sustainable Agriculture. Springer Science+business
AOAC, 1990. Official Methods of Analysis, 15thedn. Washington, D.C.Associationof OfficialAnalyticalChemists.
Darfaoui C, El-Mostafa A and Al-Assiri A, 2010. response to climate change in the Kingdom of Saudi Arabia. A report prepared for FAO-RNE. Available at: Accessed on March 23, 2013.
FAo, 2002. Date palm cultivation. FAoPlant production and protection paper 156 rev. 1. Food and Agriculture organi-zation of the United Nations, Rome, Italy.
FAO, 2009. Food and Agriculture Organization of the United Nations Statistics Division, from http: //faostat3.fao.org/download/Q/QC/E
Foakwa E O, Paterson A, Fowler M, Vieira J, 2008. Particle size distribution and compositional effects on textural properties and appearance of dark chocolates. Food Engineering ,87,p 181-190
KACST, 2012. Strategic Priorities for agricultural research. King Abdulaziz City for Science and Technology. Ministry of Economy and Planning, Doc. No. 40P0001-PLN-0001-er01. Kingdom of Saudi Arabia. Accessed on March 28, 2012. Available at: http://nstip.kacst.edu.sa/cs/groups/public/documents/document/edisp/agricul-turetech.pdf
Karami E, 2006. Appropriateness of farmers’ adoption of irrigation methods: The application of AHP model. Agricul-tural Systems, 87:101-119.
Liebenberg PJ and Zaid A, 2002. Date Palm irrigation. Chapter 7. in. Date palm cultivation. Plant Production Pa-per 156 rev.1. Food and Agriculture organization of the United Nations (FAO). Rome, Italy.
Phene CJ, 1995. Sustainability and potential of subsurface drip irrigation. In; Proc. 5th int. Microirrigation Congress,
Sivanappan RK, 1998. ”Low cost micro irrigation system for all crops and all farmers” In: Proceedings of Workshop Micro irrigation and Sprinkler irrigation systems April 1998 at New Delhi. Organized by Central Board of Irrigation and Power, Edited by CVJ Verma, Pp.. IV-15-IV-20.