**Author details**

limited water resources in the Mediterranean area WASA, [ERANETMED/0006/2014] which

aims at developing tools for deficit irrigation scheduling in woody crops.

**Conflicts of interest**

**Abbreviations**

70 Irrigation in Agroecosystems

The author declares no conflict of interest.

gs Stomatal conductance

DTS Daily trunk shrinkage

CWSI Crop water stress index

ID Irrigation depth

Ks Stress coefficient

IN Irrigation needs

Kc Crop coefficient

IA Irrigation applied

OGR Organ growth rate

PWP Permanent wilting point

SDV Stem diameter variations

SWD Soil water depletion

TAW Total available water

VPD Vapor pressure deficit

WP Water productivity

AW Available water

DI Deficit irrigation

θ<sup>s</sup> Volumetric soil water content

Ψleaf Leaf water potential, in general

Ψpd Leaf water potential measured at predawn

Ψstem Stem water potential measured near solar noon

Anabela Fernandes-Silva1 \*, Manuel Oliveira1 , Teresa A. Paço<sup>2</sup> and Isabel Ferreira2

\*Address all correspondence to: anaaf@utad.pt

1 Centre for the Research and Technology of Agro-Environmental and Biological Sciences, CITAB, University of Trás-os-Montes and Alto Douro, UTAD, Quinta de Prados, Vila Real, Portugal

2 Linking Landscape, Environment, Agriculture and Food (LEAF), Instituto Superior de Agronomia (ISA), Universidade de Lisboa (ULisboa), Lisboa, Portugal
