02174naa a2200289 a 450000100080000000500110000800800410001902200140006002400370007410000140011124501630012526000090028850001130029752011290041065000200153965000110155965300220157065300230159265300280161565300230164370000150166670000170168170000190169870000160171770000150173377301360174810602712020-04-20       2019    bl uuuu     u00u1 u    #d  a0378-37747 a10.1016/j.agwat.2019.1057322DOI1 aPUPPO. L.  aSeasonal basal crop coefficient pattern of young non-bearing olive trees grown in drainage lysimeters in a temperate sub-humid climate.h[electronic resource]  c2019  aArticle history: Received 23 September 2018 / Received in revised form 17 June 2019 / Accepted 28 July 2019.  aABSTRACT.  Young non-bearing olive trees were grown in drainage lysimeters and their water consumption was measured over two consecutive yearly-experimental periods to analyze the effect ofseasonal variations on the basal crop coefficient (Kcb). Micro-lysimeter measurements were used to quantify soil evaporation (Es) and Es was subtracted from evapotranspiration (ETc) to determine transpiration. Monthly mean (Kcb) were determined as (ETc-Es)/ETo, where ETo is the FAO-PM grass-reference evapotranspiration, calculated from locally measured weather data. The observed Kcb value at mid-season, 0.38, was obtained in the fall months, with 41% of canopy cover. The mid-season Kcb when adjusted to the FAO-56 standard climate was 0.43. Seasonal patterns of Kcb are presented and the Kcb value during the mid-season growth-stage was found to be similar to those described in the literature for Mediterranean climates. Variation of the basal crop coefficient was satisfactorily explained by measured canopy light interception (FIR) and a linear regression model is presented for Kcb as a function of FIR.  © 2019 Elsevier B.V.  aOLEA EUROPAEA L  aOLIVOS  aCrop coefficients  aEvapotranspiration  aIrrigation requirements  aSoil water content1 aGARCIA, C.1 aBAUTISTA, E.1 aHUNSAKER, D.J.1 aBERETTA, A.1 aGIRONA, J.  tAgricultural Water Management, 20 December 2019, Volume 226, Article number 105732. Doi:https://doi.org/10.1016/j.agwat.2019.105732