Search Results - "Parent, L. E."

Long-term changes in soil phosphorus status related to P budgets under maize monoculture and mineral P fertilization by Messiga, A.J, Ziadi, N, Plénet, D, Parent, L.-E, Morel, C

“…Monitoring soil phosphorus (P) changes under continuous cropping over decades is an important agronomic and environmental issue. The aim was to determine soil…”
Get full text

Long-term soil organic carbon and nitrogen dynamics in forage-based crop rotations in Northern Sweden (63–64°N) by Bolinder, M.A., Kätterer, T., Andrén, O., Ericson, L., Parent, L.-E., Kirchmann, H.

“…For carbon sequestration estimates it is necessary to evaluate effects of management practices on soil organic carbon (SOC) and nitrogen (SON) dynamics in a…”
Get full text

Spatial and temporal variability of soil biological activity in the Province of Québec, Canada (45–58 °N, 1960–2009)—calculations based on climate records by Bolinder, M. A., Fortin, J. G., Anctil, F., Andrén, O., Kätterer, T., de Jong, R., Parent, L. E.

“…Climate records of air temperature (AT) and total precipitation (TP) are standard inputs for soil carbon dynamic models, i.e., for calculating temperature and…”
Get full text

Soil carbon dynamics in Canadian Agricultural Ecoregions: Quantifying climatic influence on soil biological activity by Bolinder, M.A., Andrén, O., Kätterer, T., de Jong, R., VandenBygaart, A.J., Angers, D.A., Parent, L.-E., Gregorich, E.G.

“…Climate is the major determinant of soil biological activity, including the decomposition rates of soil organic carbon (SOC) components. The objective of this…”
Get full text

Response to Phosphorus of Cranberry on High Phosphorus Testing Acid Sandy Soils by Parent, L.E, Marchand, S

“…The fertilized sand-grown cranberry (Vaccinium macrocarpon Aiton cv. Stevens) could be at risk for water contamination by P during seasonal flooding and…”
Get full text

An Agri‐Environmental Phosphorus Saturation Index for Acid Coarse‐Textured Soils by Khiari, L., Parent, L. E., Pellerin, A., Alimi, A. R. A., Tremblay, C., Simard, R. R., Fortin, J.

“…Potato (Solanum tuberosum L.) is a high P demanding crop contributing to P saturation of acid coarse‐textured soils. The P status is commonly assessed…”
Get full text

Effects of climatic data low-pass filtering on the ICBM temperature- and moisture-based soil biological activity factors in a cool and humid climate by Fortin, J.G., Bolinder, M.A., Anctil, F., Kätterer, T., Andrén, O., Parent, L.E.

“…• Sensibility of ICBM to the low-pass filtering of climatic input data was tested. • A daily time-step avoid overestimating soil biological activity on sandy…”
Get full text

Soil organic carbon sequestration potential for Canadian agricultural ecoregions calculated using the Introductory Carbon Balance Model by Bolinder, M.A, Andren, O, Katterer, T, Parent, L.E

“…The potential for storage of atmospheric CO 2 -C as soil organic C (SOC) in agroecosystems depends largely on soil biological activity and the quantity and…”
Get full text

Non-stationary temporal characterization of the temperature profile of a soil exposed to frost in south-eastern Canada by Anctil, F., Pratte, A., Parent, L. E., Bolinder, M. A.

“…The objective of this work was to compare time and frequency fluctuations of air and soil temperatures (2-, 5-, 10-, 20- and 50-cm below the soil surface)…”
Get full text

Physical Properties of Granular Organic-based Fertilisers, Part 2:: Dynamic Properties Related to Water by Allaire, S.E, Parent, L.-E.

“…Organic-based fertilisers are granular fertilisers that make use of the synergy between the mineral and organic components. The physical properties of…”
Get full text

N₂O emissions from an irrigated and non-irrigated organic soil in eastern Canada as influenced by N fertilizer addition by Rochette, P, Tremblay, N, Fallon, E, Angers, D.A, Chantigny, M.H, MacDonald, J.D, Bertrand, N, Parent, L.-É

“…Drainage and cultivation of organic soils often result in large nitrous oxide (N₂O) emissions. The objective of this study was to assess the impacts of…”
Get full text

Physical Properties of Granular Organic-based Fertilisers, Part 1: Static Properties by Allaire, S.E, Parent, L.-E

“…The need to recycle, dispose of and increase the value of organic wastes, combined with the knowledge that organic matter enhances plant–nutrient interactions,…”
Get full text

Size Guide Number and Rosin–Rammler Approaches to describe Particle Size Distribution of Granular Organic-based Fertilisers by Allaire, S.E, Parent, L.-E

“…The physical properties of organic-based fertilisers are not well known. The main objective of this study was to evaluate the range of granule size…”
Get full text

Geostatistics of near-surface moisture in bare cultivated organic soils by Anctil, François, Mathieu, Renaud, Parent, Léon-Étienne, Viau, Alain A, Sbih, Mathali, Hessami, Masoud

“…The aim of this study was to characterise fine scale patterns of organic soil moisture content in the top 5 cm by means of semi-variogram modelling. Soil…”
Get full text

Influence of soil texture on fertilizer and soil phosphorus transformations in Gleysolic soils by Zheng, Z, Parent, L.E, MacLeod, J.A

“…The P dynamics in soils should be quantified in agricultural soils to improve fertilizer P (FP) efficiency while limiting the risk of P transfer from soils to…”
Get full text

Multivariate diagnosis of nutrient imbalance in potato crops by Parent, L.E. (Laval Univ., Sainte-Foy, Quebec, Canada.), Cambouris, A.N, Muhawenimana, A

“…Compositional Nutrient Diagnosis (CND) involves a correction procedure for two constraints inherent to foliar analytical data, i.e., the bounded-sum constraint…”
Get full text

Estimating carbon inputs to soil in forage-based crop rotations and modeling the effects on soil carbon dynamics in a Swedish long-term field experiment by Bolinder, M. A., Kätterer, T., Andrén, O., Parent, L. E.

“…There is a need to improve the understanding of soil organic C (SOC) dynamics for forage-based rotations. A key requisite is accurate estimates of the…”
Get full text

SVMLEACH – NK POTATO: A simple software tool to simulate nitrate and potassium co-leaching under potato crop by Fortin, J.G., Morais, A., Anctil, F., Parent, L.E.

“…•LS-SVM was used to simulate NO3 and K co-leaching under potato crop systems.•Results were satisfying, with RMSE representing about 10% of the mean…”
Get full text

Effect of NH4+: NO3- ratios on growth and nitrogen uptake by onions by ABBES, C, PARENT, L. E, KARAM, A, ISFAN, D

Get full text

Mechanistic modeling of coupled ammonium and nitrate uptake by onions using the finite element method by ABBES, C, ROBERT, J. L, PARENT, L. E

“…A two-dimensional finite element model for predicting N uptake by onion (Allium cepa L. cv. 'Norstar 210B') was developed using variable space intervals in…”
Get full text