Bander, J. 1984. Scheduling irrigation with evaporation
pans. Montana State Univ. Agr. Bull. 1262. Montana, USA.
Barghouti, S. & Le Moigne, G., eds. 1990. Irrigation in sub-Saharan Africa:
development of public and private systems. Tech. Paper No. 123. Washington, DC, World
Bank.
Bar-Yosef, B. & Sagiv, B. 1985. Potassium supply to field crops grown
under drip irrigation and fertigation. In Int. Potash Inst., Potassium Symposium,
p. 185-188. Pretoria, South Africa.
Bos, M.G. & Nugteren, J. 1978. On irrigation efficiencies.
Wageningen, the Netherlands, Int. Inst. Land Reclam. Improve. (ILRI).
Bucks,D.A. & Nakayama, F.S. 1986. Trickle irrigation for crop production.
Elsevier, Amsterdam, the Netherlands.
Bucks, D.A., Nakayama, F.S. & Warrick, A.W. 1982. Principles, practices
and potentialities of trickle (drip) irrigation. In D. Hillel, ed. Advances in
irrigation, Vol. I. New York, Academic Press.
Burman, R.D., Cuenca, R.H. & Weiss, A. 1983. Techniques for estimating
irrigation and water requirements. In D. Hillel, ed. Advances in irrigation,
Vol. II. Orlando, Florida, USA, Academic Press.
Campbell, G.S. 1977. An introduction to environmental biophysics. New
York, Springer-Verlag.
Chossat, J.C. 1992. Evaluation du proc�d� d'irrigation "Irrigasc".
Minist�re de la Coop�ration et du D�veloppement, France.
Copeland, M.C., ed. 1993. A manual for irrigation planning in developing
areas. Pretoria, South Africa, SECOSAF.
Dasberg, S. & Bresler, E. 1985. Drip Irrigation Manual. Bet Dagan,
Israel, Int. Irrig. Info. Ctr.
Delgado, C.L. 1995. Africa's changing agricultural development strategies.
Washington, DC, Int. Food Policy Res. Inst.
FAO. 1977. Crop water requirements. By J. Doorenbos & W.O.
Pruitt, FAO Irrigation and Drainage Paper No. 24. Rome.
FAO. 1979. Yield response to water. By J. Doorenbos & A.H.
Kassam, Irrigation and Drainage Paper No. 33. Rome.
FAO. 1987. Irrigation and water resources potential for Africa.
AGL/Misc/11/87. Rome.
FAO. 1989. NGO casebook on small-scale irrigation in Africa. R.
Carter, ed. Rome.
FAO. 1991. Fertigation/Chemigation. E.D. Threadgill, ed.
AGL/MISC/19/91. Rome.
FAO. 1995. Irrigation in Africa in figures. Water Report No. 7.
Rome.
Gilley, J.R. 1983. Energy utilization and management in irrigation. In
D. Hillel, ed. Advances in irrigation, Vol. II. Orlando, Florida, USA, Academic
Press.
Hanks, R.J. 1980. Yield and water use relationships. In Efficient water use
in crop production. Madison, Wisconsin, USA, Am. Soc. Agron.
Hillel, D., ed. 1972. Optimizing the soil physical environment toward
greater crop yields. New York, Academic Press.
Hillel, D. 1987. The efficient use of water in irrigation: principles
and practices for improving irrigation in arid and semi-arid regions. Tech.
Paper. No. 64. Washington, DC, World Bank.
Hillel, D. & Guron, Y. 1973. Evapotrans-piration and the yield of maize. Water
Resources Res., 9: 743-748.
Hoffman, G.J. et al. 1978. Minimizing salt in drain water by irrigation
management. Agric. Water Manage., 1: 233-252.
James, L.G. 1988. Principles of farm irrigation system design. New
York, Wiley.
Kovach, S.P. 1984. Injection of fertilizers into drip irrigation systems
for vegetables. Circular 606. Coop. Extension Service, Univ. Florida, Gainesville,
USA.
Merriam, J.L. & Keller, J. 1978. Farm irrigation system evaluation: a
guide for management. Agr. and Irrig. Eng. Dept, Utah State University, Logan, USA.
Miller, E. 1990. Low-head irrigation system for smallholdings. Agric. Water
Manage., 17: 37-47.
Miller, R.F. et al. 1975. Drip application of nitrogen is efficient. Calif.
Agric., 76: 16-18.
Mondal, R.C. 1974. Pitcher farming: a simple low cost method of irrigation. Appropri-ate
Technology, 1: 7-8. London, Intermediate Technology Publ.
Monteith, J.L. 1980. Development and extension of Penman's evaporation
formula. In D. Hillel, Applications of Soil Physics. Orlando, Florida, USA,
Academic Press.
Murata, M. et al. 1995. Development of small-scale irrigation using
groundwater resources. 4th Int. Rept. Min. Lands Agr. & Water Dev., Zimbabwe and
Inst. Hydrology, Wallingford, UK.
O'Mara, G.T., ed. 1988. Efficiency in irrigation: conjunctive use of
surface and groundwater resources. Washington, DC, World Bank.
Penman, H.L. 1948. Natural evaporation from open water, bare soil and grass. Proc.
R. Soc. London, Ser. A, 193: 120-146.
Raju, K.S., Biere, A.W., Kanemasu, E.T. & Lee, E.S. 1983. Irrigation
scheduling based on a dynamic crop response model. In D. Hillel, ed. Advances in
irrigation, Vol. II. Orlando, Florida, USA, Academic Press.
Rauschkolb, R.S. et al. 1976. Phosphorus fertilization with drip
irrigation. Soil Sci. Soc. Amer. J., 49: 62-68.
Rawitz, E. & Hillel, D. 1974. Progress and problems of drip irrigation in
Israel. Proc. 2nd Intl Congr. Drip Irrig., San Diego, California, USA.
Rawlins, S.L. 1977. Uniform irrigation with a low-head bubbler system. Agric.
and Water Manage., 1: 167-178.
Rawlins, S.L. & Raats, P.A.C. 1975. Prospects for high-frequency
irrigation. Science, 188: 604-610.
Rosegrant, M.W. & Perez, N.D. 1995. Water resources development in
Africa. Washington, DC, Int. Food Policy Res. Inst.
Shalhevet, J. et al. 1976. Irrigation of field and orchard crops under
semi-arid conditions. Bet Dagan, Israel, Intl Irrig. Info. Ctr.
Sharma, M.L. 1985. Estimating evapotranspiration. In D. Hillel, ed. Advances
in irrigation, Vol. III. Orlando, Florida, USA, Academic Press.
Sivanappan, R.K. 1994. Prospects of micro-irrigation in India. Irrig.
Drain. Sys., 8: 49-58.
Van Bavel, C.H.M. 1966. Potential evaporation: the combination concept and its
experimental verification. Water Resources Res., 2: 455-467.
Vaux, H.J., Jr & Pruitt, W.O. 1983. Crop-water production functions. In
D. Hillel, ed. Advances in irrigation, Vol. II. Orlando, Florida, USA, Academic
Press.
Withers, B. & Vipond, S. 1980. Irrigation: design and practices.
Ithaca, NY, USA, Cornell University Press.