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Intercepted radiation by apple canopy can be used as a basis for irrigation scheduling

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  • Auzmendi, I.
  • Mata, M.
  • Lopez, G.
  • Girona, J.
  • Marsal, J.

Abstract

Improved approaches for irrigation scheduling require specific protocols for adaptation to different growing conditions. We assessed crop intercepted radiation as the main factor for decision on irrigation scheduling. Over two growing seasons (2007-2008), apple trees growing in a large weighing lysimeter were used to measure daily canopy transpiration (Td). Seasonal patterns of daily canopy intercepted photosynthetically active radiation (IPARd) and midday stem water potential were also measured. In 2007, irrigation was withheld in two different times to study Td responses to midday stem water potential. Before harvest, under full irrigation, Td increased linearly with IPARd (R2Â =Â 0.81 in 2007 and 0.84 in 2008). With the two year data combined, R2 increased from 0.74 to 0.80 when VPD was considered as a second variable. When irrigation was withheld in 2007 the ratio between Td and IPARd, which is defined here as transpiratory radiation use efficiency (TRUE), decreased linearly (R2Â =Â 0.49) as midday stem water potential decreased. Due to the highly significant effect of IPARd and VPD on Td, TRUE showed potential applications in estimating the amount of irrigation water.

Suggested Citation

  • Auzmendi, I. & Mata, M. & Lopez, G. & Girona, J. & Marsal, J., 2011. "Intercepted radiation by apple canopy can be used as a basis for irrigation scheduling," Agricultural Water Management, Elsevier, vol. 98(5), pages 886-892, March.
    • Handle: RePEc:eee:agiwat:v:98:y:2011:i:5:p:886-892
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    References listed on IDEAS

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    1. Pereira, Antonio Roberto & Green, Steve R. & Nova, Nilson Augusto Villa, 2007. "Sap flow, leaf area, net radiation and the Priestley-Taylor formula for irrigated orchards and isolated trees," Agricultural Water Management, Elsevier, vol. 92(1-2), pages 48-52, August.
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    Cited by:

    1. Wang, Di & Wang, Li, 2017. "Dynamics of evapotranspiration partitioning for apple trees of different ages in a semiarid region of northwest China," Agricultural Water Management, Elsevier, vol. 191(C), pages 1-15.
    2. Samperio, Alberto & Moñino, María José & Marsal, Jordi & Prieto, María Henar & Stöckle, Claudio, 2014. "Use of CropSyst as a tool to predict water use and crop coefficient in Japanese plum trees," Agricultural Water Management, Elsevier, vol. 146(C), pages 57-68.
    3. Mourad Rezig & Hatem Cheikh M'hamed & Mbarek Ben Naceur, 2015. "Does Deficit Irrigation Affect the Relation between Radiation Interception and Water Consumption for Durum Wheat (Triticum durum Desf)?," Energy and Environment Research, Canadian Center of Science and Education, vol. 5(2), pages 1-36, December.
    4. Domínguez-Niño, Jesús María & Oliver-Manera, Jordi & Girona, Joan & Casadesús, Jaume, 2020. "Differential irrigation scheduling by an automated algorithm of water balance tuned by capacitance-type soil moisture sensors," Agricultural Water Management, Elsevier, vol. 228(C).
    5. Pereira, L.S. & Paredes, P. & Melton, F. & Johnson, L. & Wang, T. & López-Urrea, R. & Cancela, J.J. & Allen, R.G., 2020. "Prediction of crop coefficients from fraction of ground cover and height. Background and validation using ground and remote sensing data," Agricultural Water Management, Elsevier, vol. 241(C).

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