Allen, R.G.; L.S. Pereira; D. Raes and M. Smith. 1998. Crop evapotranspiration. Guidelines for computing crop water requirements. FAO Irrigation and Drainage. Paper No. 56, FAO, Rome, Italy, pp: 300.
Brewester, J. L. 1987. The effect of temperature on the rate of sprout growth and development within stored onion bulbs. Ann. App. Biol., 111: 463-465.
Costa, J.M.; M.F. Ortuno and M.M. Chaves, 2007. Deficit irrigation as a strategy to save water: physiology and potential application to horticulture. Journal of Integrative Plant Biology 49, 1421–1434.
Enciso, J.M.; J. Jifon and B. Wiedenfeld. 2007. Subsurface drip irrigation of onions: effects of drip tape emitter spacing on yield and quality. Agricultural Water Management 92 (3), 1–7.
Enciso, J. M.; B. Wiedenfeld; J. Jifon and S. Nelson. 2009. Onion yield and quality response to two irrigation scheduling strategies. Scientia Horticulturae 120 (2009) 301–305.
Hanson, B.; S. Orloff and D. Peters. 2000. Monitoring soil moisture helps refine irrigation management. California Agriculture 54 (3), 38–42.
Jilani, M.S. 2004. Studies on the management strategies for bulb and seed production of different cultivars of onion (Allium cepa L.). PhD thesis, Gomal University, Dera Ismail Khan.
Kirda, C. 2000. Deficit irrigation scheduling based on plant growth stages showing water stress tolerance. Deficit Irrigation Practices, FAO Water Reports, Rome 22.
Kirda, C. 2002. Deficit irrigation scheduling based on plant growth stages showing water stress tolerance. pp. 3–10. In: Deficit Irrigation Practices. Water Reports no. 22, FAO, Rome, 108 p.
Kuchenbuch, R.; N. Claasen and A. Jungk. 1986. Potassium availability in relation to soil moisture. II Calculations by means of a mathematical simulation model. Plant and Soil, 95:233-243.
Lovelli, S.; M. Perniola; A. Ferrara and T. Di Tommaso. 2007. Yield response factor to water (Ky) and water use efficiency of Carthamus tinctorius L. and Solanum melongena L. Agric. Water Manage. 92, 73–80.
Lovelock, C.; M. Ball and I. Feller. 2006. Variation in hydraulic conductivity of mangroves: influence of species, salinity, and nitrogen and phosphorus availability. Physiol. Plantarum 127, 457–464.
Martin, D.L.; E.C. Stegman and E. Fereres. 1990. Irrigation scheduling principles. ASAE Monograph published by the American Society of Agricultural Engineers, 1st edition, St. Joseph Mich, pp. 155–203.
Martin de Santa Olalla, F.J.; A. Domınguez-Padilla and R. Lopez. 2004. Production and quality of onion crop (Allium cepa L.) cultivated under controlled deficit irrigation conditions in a semi-arid climate. Agricultural Water Management 68, 77–89.
McQuate, G.T.; P.F. Germann and E.F. Connor. 1986. Soybean cell sap response to water deficits. J. Plant Physiol. 125:105-114.
Mpelasoka, B.S.; M.H. Behboudian and S.R. Green. 2001. Water use, yield and fruit quality of lisimeter-grown apple trees: responses to deficit irrigation and crop load. Irrigation Science 20, 107–113.
Patanè, C. and S.L. Cosentino. 2010. Effects of soil water deficit on yield and quality of processing tomato under a Mediterranean climate. Agric. Water Manage. 97, 131–138.
Pereira, L.S.; T. Oweis and A. Zairi. 2002. Irrigation management under water scarcity. Agricultural Water Management 57, 175–206.
Sammis, T. W; M.S. Al-Jammal; S. Ball and D. Smeal. 2000. Crop water use of onion. In: Proceedings of sixth International Micro Irrigation Congress, Micro 2000, Cape Town, South Africa, 22 –27 October 2000, pp. 1–9.
Topcu, S.; C. Kirda; Y. Dasgan; H. Kaman; M. Cetin; A. Yazici and M. A. Bacon. 2007. Yield response and N fertilizer recovery of tomato grown under deficit irrigation. European Journal of Agronomy 26, 64–70.
Zegbe-Dominguez, J. A.; M. H. Behboudian; A. Lang and B. E. Clothier. 2003. Deficit irrigation and partial root zone drying maintain fruit dry mass and enhance fruit quality in ‘Petopride’ processing tomato (Lycopersicon esculentum Mill.). Sci. Hort. 98, 505-510.