Allen, R.G., L.S. Pereira, D. Raes, and M. Smith.(1998). Crop evapotranspiration guidelines for computing crop water requirements.Irrigation and Drainage Paper 56, FAO, Rome, 300 P.
Barrett, J. W. H. and G. V. Skogerboe.(1980). Crop production functions and the allocation and use of irrigation water.Agr. Water Management 3: 53-64.
Clark, G. A., D. Rogers, M. Alam, D. Fjell, and S. Briggeman(2002). A mobile irrigation lab for water conservation: I. Physical and electronic tools.Conference Proceedings, Irrigation Association International Irrigation Technical Conference. Falls Church, Va.: Irrigation Assoc, 5p.
FAO.(1979). Yield response to water by J. Doorenbos& A.H. Kassam. Irrigation and Drainage Paper No. 33. FAO, Rome, PP 6-13.
FAO.(1986). Yield response to water by J. Doorenbos& A.H. Kassam. Irrigation and Drainage Paper No. 33. FAO, Rome, Italy.1-13P.
FAO.(1992). CROPWAT: A computer program for irrigation planning and management. Developed by: Martin Smith.FAO Irrigation and Drainage Paper 46.Rome, Italy, 1-123P.
FAO.(1998).Crop evapotranspiration :Guidelines for computing crop water requirements. By: Richerd Allen, Luis Pereira, Dirk Raes and Martin Smith. FAO Irrigation and Drainage paper 56.Rome, Italy, 300 P.
Hillel, D. (1972). The relationship between field water balance and water use efficiency. In Optimizing the Soil Physical Environment Toward Greater Crop Yields, Ed. D. Hillel, PP 79-100. New York: Academic Press.
Henggeler, J. (2002).Software programs currently available for irrigation scheduling (Kansched).Conference Proceedings, Irrigation Association International Irrigation Technical Conference. Falls Church, Va: Irrigation Assn.PP120-129.
Joern, B. and P. Hess.(1997).Irris scheduler help contents.Agronomy department, Purdue University, USA, PP1-13.
Keller, J. and R. D. Bliesner.(1990). Sprinkler and trickle irrigation. An Avi book, Van Nostrand Reinhold, New York, 652 P.
Laghari, K. Q. (2009). Perceptive Research on Irrigation Scheduling And Water Management. Mehran University of Engineering TechnologyJamshoro, PP 1-135.
Ramadan, M.H., M.A. El-Adl, H.N. Abd El-Mageed and M. Maher.(2006).Computer-Aided Mapping Irrigation Scheduling for Arab Republic of Egypt.The 2nd International Conf. on Water Resources & Arid Environment (2006), 22P.
SAS (2011).Version 9.3. SAS institute inc, Cary, NC, USA.
Savva,A. P. and K. Frenken.(2002).Crop water requirements and irrigation scheduling.Irrigation manual. Module 4, FAO Sub-Regional Office for East and Southern Africa, PP1-121.
Smajstrla, A.G., B.J. Boman, D.Z. Haman, F.T. Izuno, D.J. Pitts, and F.S. Zazueta.(2006). Design of Agricultural Irrigation Systems in Florida. BUL249, one of a series of the Agricultural and Biological Engineering Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida.Original Publication date February1997.ReviewedFebruary2006.Availableat:
http://edis.ifas.ufl.edu.Accessed on 3May.2013.15P
Smith, M. (1992).CROPWAT – A computer program for irrigation planning and management, Irrigation and Drainage Pap.46, Food and Agric. Org. of the U. N., Rome.PP 1-75.
Stewart, B.A. and J.T. Musick, (1982).Conjunctive use of irrigation and rainfall in semi-arid regions. Advances in Agronomy 1: 1-23.
Van Heerden, P., C.T. Crosby, and C.P. Crosby (2001). Using SAPWAT to estimating water requirement of crops in selected irrigation areas managed by the Orange-Vaal and Orange-Reit Water User Associations. WRC Report No TT 163/01, (2001). ASABE Standards.S526.3 SEP20077: Soil and waterterminology. St. Joseph, Mich.: ASABE.PP 1273-1279.
Woyessa, Y.E., E. Pretorius and P. van Heerden(2004). The Application of SAPWAT model in irrigation water management planning for the sand –vet irrigation scheme : contribution towards an integrated catchment management system.Proceedings of the 2004 Water Institute of Southern Africa (WISA) Biennial Conference, 2-6 May 2004 ISBN: 1-920-01728-3.