User profiles for Karine Laval

Karine Laval

Directrice Recherche, UniLaSalle
Verified email at unilasalle.fr
Cited by 1945

Mise au point d'outils de prévision de l'évolution de la stabilité de la structure de sols sous l'effet de la gestion organique des sols

…, C Francou, S Houot, CC Jolivet, K Laval… - Etude et Gestion des …, 2011 - hal.science
La stabilité structurale est une propriété physique des sols importante, indicatrice de leur
sensibilité à la battance et à l'érosion. Les sols limoneux, qui couvrent des surfaces …

Effects of pesticides on soil enzymes: a review

W Riah, K Laval, E Laroche-Ajzenberg… - Environmental chemistry …, 2014 - Springer
The use of pesticides in agriculture has highly increased during the last 40 years to increase
crop yields. However, today most pesticides are polluting water, soil, atmosphere and food. …

Impact of organic amendments on the dynamics of soil microbial biomass and bacterial communities in cultivated land

R Calbrix, S Barray, O Chabrerie, L Fourrie, K Laval - Applied Soil Ecology, 2007 - Elsevier
In the course of a 1 year study on agricultural plots (mustard-beet) the impact of organic
materials and soil management on soil microbial communities was assessed after amendment …

Effect of Arabinogalactan Proteins from the Root Caps of Pea and Brassica napus on Aphanomyces euteiches Zoospore Chemotaxis and Germination

…, C Gangneux, P Lerouge, T Ishii, K Laval… - Plant …, 2012 - academic.oup.com
Root tips of many plant species release a number of border, or border-like, cells that are
thought to play a major role in the protection of root meristem. However, little is currently known …

Soil microbial community structure and function relationships: a heat stress experiment

…, E Laroche-Ajzenberg, MP Norini, X Latour, K Laval - Applied Soil …, 2015 - Elsevier
Links between the microbial community structure and soil functions are unclear. The study
of these relationships requires the development of highly specific experimental approaches. …

Association between border cell responses and localized root infection by pathogenic Aphanomyces euteiches

…, C Gangneux, A Lanoue, D Giron, K Laval… - Annals of …, 2011 - academic.oup.com
Background and Aims The oomycete Aphanomyces euteiches causes up to 80 % crop loss
in pea (Pisum sativum). Aphanomyces euteiches invades the root system leading to a …

Molecular and functional responses of soil microbial communities under grassland restoration

…, C Gangneux, A Mercier, S Barray, K Laval - Agriculture, ecosystems …, 2008 - Elsevier
The influence of ageing grassland on microbial community structure in different long-term
grassland regimes compared to tillage in neighbouring fields was investigated to evaluate …

Assessing impacts of copper on soil enzyme activities in regard to their natural spatiotemporal variation under long-term different land uses

…, C Bailleul, A Brault, C Mougin, K Laval - Soil Biology and …, 2012 - Elsevier
Enzymes are known to be sensitive indicators of soil quality. Nevertheless, the natural
variability of their activities needs to be considered for a relevant interpretation of activity levels, …

Analysis of the potential functional diversity of the bacterial community in soil: a reproducible procedure using sole-carbon-source utilization profiles

R Calbrix, K Laval, S Barray - European Journal of Soil Biology, 2005 - Elsevier
Aims. – The structure of the microbial community in soils was analyzed through the sole-carbon-source
utilization profiles using ECO Biolog microplates; this analysis was evaluated in …

Are native phosphate solubilizing bacteria a relevant alternative to mineral fertilizations for crops? Part I. when rhizobacteria meet plant P requirements.

C Amy, JC Avice, K Laval, M Bressan - Rhizosphere, 2022 - Elsevier
Deployment of Phosphate Solubilizing Bacteria (PSB) can enhance plant P uptake through
remobilization of recalcitrant forms of P in soil. In this study, bacterial strains isolated in the …