Abrol, I.P., Yadav, J.J.P., & Massoud, F.I. (1988). Salt-affected soils and their management. FAO Soil Bull. No. 39. 131p
Borg, H., & Grimes, D.W. (1986). Depth development of roots with time: an empirical description. Trans. of the ASAE, 29(1), 194-197.
Bot, A., & Benites, J. (2005). Drought-resistant soils- optimization of soil moisture forsustainable plant production. FAO Land and Water Bull. No. 11. 82p
Clark, K.D. (1998). CROPWAT for Windows: User guide. University of Southampton. Version 4.2. 43p.
Draycott, A.P. (2006). Sugar beet, Blackwell Publishing Ltd. 474p.
Franzen, D.W., Anfirud, M., & Carson, P. (2004). Sugar beet rooting depth. Sugar beet Research and Extension Reports, No.35, 105 p.
Hassanli, A.M., Ebrahimizadeh, M.A., & Beecham, S. (2009). The effects of irrigation methods with effluent and irrigation scheduling on water use efficiency and corn yields in an arid region, Agricultural Water Management, 96, 93-99.
Hassanli, A.M., Ahmadirad, SH., & Beecham, S. (2010). Evaluation of the influenceof irrigation methods and water quality on sugar beet yields and water use efficiency. Agricultural Water Management, 97, 357-362.
Kücke, M., Schmid, H., & Spiess, A. (1995). A comparison of four methods for measuring roots of field crops in three contrasting soils. Journal of Plant and Soil, 172(1), 63-71.
Larson, W.E., & Johnston, W.B. (1955). The effect of soil moisture level on the yield, consumptive use of water and root development by sugar beets. Soil Scince Society American Journal, 19, 275-279.
Martin, D.C., Stegman, E.C., & Feres, E. (1990). Irrigation scheduling principles. In: Hoffman, G.J., Howell, T.A. & Solomon, K.H. (1992). Management of farm irrigation systems. ASAE monograph, St. Joseph, 155-199.
Pierret, A., Moran, C., McLachlan, C.B., & Kirby, J.M. (2000). Measurement of root length density in intact samples using X-radiography and image analysis. Image Analis Sterology, 19, 145-149.
Rhoades, J.D., Kandiah, A., & Mashali, A.M. (1992). The use of saline waters for crop production. FAO Irrigation and Drainage Paper No. 48. 133p.
Rinaldi, M., & Vonella, A.V. (2004). The response of autumn and spring sown sugar beet (Beta vulgaris L) to irrigation in Southern Italy: Water and radiation use efficiency. Field Crop Research, 95(2), 103-114.
Romo, R., & Diaz, D.H. (1985). Root system and nutritional status of peaches under drip and flood irrigation in warm climates. Acta Horticultural, 173, 167-175.
Smit, A.L., Bengough, A.G., Engels, C., Noordwijk, MV., Pellerin, S., & VanDeGeij, S.C. (2000). Root Methods: A Handbook, Springer,587p.
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