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6. Allen, R. G. and W. O. Pruitt. 1986. Rational use of the FAO Blaney Criddle formula. J. Irrig. and Drain. Eng. 112(2): 139-155. 7. Allen, R. G., L. S. Pereira D. Raes and M. Smith. 1998. Crop evapotranspiration Guideline for computing crop water requirements. FAO irrigation and drainage paper, No. 56 Rome. 8. Amatya, D. M., R W. Skaggs and J. D. Gregory. 1995. Comparison of methods for estimating REF-ET. J. Irrig. and Drain. Eng. 121(6): 427-435. 9. Doorenbos, J. and W. O. Pruitt. 1977. Guidelines for predicting crop water requirement. FAO. Irrigation and drainage paper No. 24 Rome. 10. Duncan, W.G., R.S. Loomis, W.A. Williames and R. Hanau. 1967. A model for simulating in plant communities. Hilgardia 38(2): 181-205. 11. Feddes, R.A., P.J. Kowalik, K.K. Malink and H. Zaradny. 1976. Simulation of field water uptake by plant using a soil water dependent root extraction function. J. Hydrol. 31: 13-26. 12. Hanks, R.J. and G.L. Asheroft. 1980. Applied Soil Physics (Advanced Series in Agricultural Science ). SpringerVelag, New York. 13. Howell, T.A., J.L. Steiner, A.D. Schneider, S.R. Evett and J.A. Tolk. 1997. Seasonal and maximum dialy evapotranspiration of irrigated winter wheat, sorghum, and corn- southern high plains. Trans., ASAE 40(3):623634. 14. Howell, T.A., J.L. Steiner, A.D. Sechneider, S.R. Evert and J.A. Tolk. 1990. Seasonal and maximum daily evapotranspiration of irrigated winter wheat, sorghum, and corn southern high plain. Trans. ASAE 40(3): 623634. 15. Jenson, M. E. and H. R. Haise. 1963. Estimating evapotranspiration from radiation. J. Irrig. and Drain. Div., ASAE. 89(IR4):15-41. 16. Mathur, S. and S. Rae 1999. Modeling water uptake by plant root. J. Irrig. Drain. 125:159-165. 17. Montith, J. L. 1965. Evaporation and Environment. 19th Symposia of the Society for Experimental Biology, University Press, Cambridge 19: 205-234. 18. Sepaskhah, A. R. and A. R. Parand. 2006. Alternative furrow irrigation with supplemental every furrow irrigation at different growth for maize. Plant Prod. Sci. 9(4): 415-421. 19. Sepaskhah, A. R. and M. H. Khajehabdollahi. 2005. Alternative furrow irrigation with different irrigation intervals for maize (Zea mays L.). Plant Prod. Sci. (5): 592-600. 20. Sinclair, T.R. and T. Hoire 1989. Leaf nitrogen, photosynthesis, and crop radiation use efficiency: A review. Crop Sci. 29:90-98. 21. Stockle, C. and G. Campbell. 1985. A simulation model for predicting effect of water stress on yield: An example using corn. Advance in Irrig. 3: 283-311. 22. van Bavel, C. H. M. and D. Hillel. 1976. Calculating potential and actual evaporation from a bare soil surface by simulation of concurrent flow of water and heat. Agric. Meteorol. 17:435-476. 23. van Genuchten, M.T.H. 1980. A closed-form equation for predicting the hydraulic conductivity of unsaturated soil. Soil Sci. Soc. Am. J. 44:892-898. 24. Willmott, C.J. 1982. Some comments on the evaluation of model performance. Bull. Am. Meteorol. Soc. 63:1309-1313. 25. Zand-Parsa, SH. 2001. A simulation model for prediction of water and nitrogen effects on corn yield. Ph. D. Thesis, Irrigation Department, Shiraz University. 26. Zand-Parsa, Sh., A.R. Sepaskhah and A. Rownaghi. 2006. Development and evaluation of integrated water and nitrogen model for maize. Agric. Water Manag. 81: 227-256.
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