Crop yield response to water - Cra

Table 2 Apple orchard water requirements, based on an orchard planted at 4 x 1.6 m, trained with a centralleader and with a ground cover about 45-50 percent and tree heights > 3.5 m. Located in Mollerussa(Lleida, Spain). ET o values used are the average daily data from the last 8 years (2002-2009).FULL IRRIGATION MODERATE RDI SEVERE RDIET o K c ET c K c ET c K c ET c(mm/day) (mm/day) (mm/day) (mm/day)March 1-15 2.19 0.30 0.66 0.30 0.66 0.30 0.66March 16-31 2.61 0.30 0.78 0.30 0.78 0.30 0.78April 1-15 2.70 0.40 1.08 0.40 1.08 0.30 0.81April 16-30 3.75 0.45 1.69 0.45 1.69 0.30 1.13May 1-15 3.95 0.60 2.37 0.60 2.37 0.40 1.58May 16-31 4.64 0.75 3.48 0.75 3.48 0.40 1.86June 1-15 5.08 0.82 4.17 0.82 4.17 0.50 2.54June 16-30 5.45 0.87 4.74 0.87 4.74 0.50 2.73July 1-15 5.40 0.92 4.97 0.90 4.86 0.50 2.70July 16-31 5.47 0.93 5.09 0.70 2.74 0.45 2.46August 1-15 4.90 0.93 4.56 0.50 2.45 0.45 2.21August 16-31 4.45 0.94 4.18 0.50 2.22 0.45 2.00September 1-15 3.57 0.95 3.39 0.50 1.78 0.45 1.61September 16-30 3.01 0.75 2.26 0.50 1.51 0.45 1.35October 1-15 2.44 0.60 1.46 0.50 1.22 0.45 1.10October 16-31 1.60 0.55 0.88 0.55 0.88 0.55 0.88ReferencesBehboudian, M.H., Lawes, G.S. & Griffiths, K.M. 1994. Influence of water deficit on water relations, photosynthesisand fruit growth in Asian pear (Pyrus serotina Rehd.). Scientia Horticulturae. 60:89-99.Behboudian, M.H. & Mills, T.M. 1997. Deficit irrigation in deciduous orchards. Horticultural Reviews 21:105-130.Behboudian, M.H., Dixson, J. & Pothamshetty, K. 1998. Plant and fruit responses of lysimeter-grown ‘Braeburn’ appleto deficit irrigation. Journal of Horticultural Science and Biotechnology 73:781-785.Behboudian, M.H., Marsal, J., Girona, J. & Lopez, G. 2011. Quality and yield responses of deciduous fruit to reducedirrigation. Horticultural Reviews 38:149-189.Bergh, O. 1985. Effect of the previous crop on cortical cell number of Malus domestica cv. Starking Delicious appleflower primordial, flowers and fruit. South African Journal of Plant Soil. 2:191-196.Ebel, R.C. 1991. Apple tree and fruit response to drought. Pullman, Washington State University (Ph.D. Thesis)Ebel, R.C., Proebsting, E.L. & Patterson, M.E. 1993. Regulated deficit irrigation may alter apple maturity, quality, andstorage life. Horticultural Science 28:141-143.344crop yield response to water