CorpusUL
CorpusUL, Université Laval's Institutional repository preserves and enables easy and open access to scientific literature.
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L’antagonisme de 49 souches de Rhizobium meliloti envers F. oxysporum a été étudié en cultures pures. On n’a pu démontré aucune corrélation significative entre l’efficacité symbiotique des souches et leur pouvoir d’antagonisme. Aucune souche de R. meliloti n’a produit de substances antibiotiques
In the transition from a fossil to a bio-based economy, it has become an important challenge to maximally recuperate and recycle valuable nutrients coming from manure and digestate processing. Membrane filtration is a suitable technology to separate valuable nutrients in easily transportable concentrates which could potentially be re-used as green fertilizers, in the meantime producing high quality water. However, traditional membrane filtration systems often suffer technical problems in wast...
This study investigated the stable and transient genetic and environmental contributions to individual differences in number knowledge in the transition from preschool (age 5) to Grade 1 (age 7) and to the predictive association between early number knowledge and later math achievement (age 10–12). We conducted genetic simplex modeling across these three time points. Genetic variance was transmitted from preschool number knowledge to late-elementary math achievement; in addition, significant ...
On a étudie le pH final des cultures pures de 49 souches de Rhizobium meliloti comme moyen rapide d’évaluation de leur efficacité symbiotique. Il existe une corrélation positive et très significative entre le pH final et l’efficacité des souches. Cette méthode peut être utilisée comme moyen simple et rapide de présélection d’un grand nombre d’isolats de R. meliloti.