The effects of limited water supply on the grain yield and water use efficiency in spring wheat

besoin en eau calendario de los riegos calendrier des irrigations chlorophylle chlorophylls clorofilas cultivos de primavera culture de printemps facteur de rendement factores de rendimiento feuille hojas irrigation scheduling leaves necesidades de agua plant response potentiel hydrique respuesta de la planta riego complementario spring crops supplemental irrigation triticum uso del agua utilisation de l'eau water potential water requirements water use yield factors