Water deficits during reproductive growth of soybeans. 1. Their effects on dry matter accumulation, seed yield and its components [dry matter production, seed yield, harvest index, leaf water potential, leaf area index, interception of radiation]

contenido de materia seca drought stress dry matter content etapas de desarrollo de la planta glycine max leaf area oil crops plant developmental stages plant water relations plantas oleaginosas potentiel hydrique relaciones planta agua relation plante eau rendement rendimiento reproduction superficie foliar surface foliaire water potential yields