Nuclear techniques in soil-plant studies for sustainable agriculture and environmental preservation. Proceedings

besoin en eau bilan hydrique du sol erosion exigence des plantes fertilidad del suelo fertilisation fertilizer application fisiologia vegetal fixation de l'azote necesidades de agua necesidades de las plantas nitrogen fixation nutrition des plantes plant nutrition plant physiology plant requirements plant soil relations pollution radioisotopes radioisotopos relaciones planta suelo relation plante sol soil fertility soil water balance technique des traceurs tracer techniques water requirements