Search Results - "Justes, E."

Quantifying and modelling C and N mineralization kinetics of catch crop residues in soil: parameterization of the residue decomposition module of STICS model for mature and non mature residues by Justes, E, Mary, B, Nicolardot, B

“…C and N mineralization kinetics of 25 catch crop (CC) residues, whose organic C:N ratio varied from 9.5 to 34.0, were studied during soil incubations under…”
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Relationship between the normalized SPAD index and the nitrogen nutrition index: application to durum wheat by Debaeke, P, Rouet, P, Justes, E

“…In a three-year field experiment in Toulouse (in Southwest France), two indicators of plant nitrogen (N) status were compared on five durum wheat cultivars:…”
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Fate of glyphosate and degradates in cover crop residues and underlying soil: A laboratory study by Cassigneul, A., Benoit, P., Bergheaud, V., Dumeny, V., Etiévant, V., Goubard, Y., Maylin, A., Justes, E., Alletto, L.

“…The increasing use of cover crops (CC) may lead to an increase in glyphosate application for their destruction. Sorption and degradation of 14C-glyphosate on…”
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Behaviour of S-metolachlor and its oxanilic and ethanesulfonic acids metabolites under fresh vs. partially decomposed cover crop mulches: A laboratory study by Cassigneul, A., Benoit, P., Nobile, C., Bergheaud, V., Dumeny, V., Etiévant, V., Maylin, A., Justes, E., Alletto, L.

“…•Sorption of SMOC on CC residues was increased with their decomposition degree.•SMOC behavior depends on the intercepting soil or CC residues.•SMOC dissipation…”
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Designing crop management systems by simulation by Bergez, J.E., Colbach, N., Crespo, O., Garcia, F., Jeuffroy, M.H., Justes, E., Loyce, C., Munier-Jolain, N., Sadok, W.

“…To help agricultural advisors to propose innovative crop management systems, simulation models can be a complementary tool to field experiments and…”
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An overview of the crop model stics by Brisson, N, Gary, C, Justes, E, Roche, R, Mary, B, Ripoche, D, Zimmer, D, Sierra, J, Bertuzzi, P, Burger, P, Bussière, F, Cabidoche, Y.M, Cellier, P, Debaeke, P, Gaudillère, J.P, Hénault, C, Maraux, F, Seguin, B, Sinoquet, H

“…stics is a model that has been developed at INRA (France) since 1996. It simulates crop growth as well as soil water and nitrogen balances driven by daily…”
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Evolution of the STICS crop model to tackle new environmental issues: New formalisms and integration in the modelling and simulation platform RECORD by Bergez, J.E., Raynal, H., Launay, M., Beaudoin, N., Casellas, E., Caubel, J., Chabrier, P., Coucheney, E., Dury, J., Garcia de Cortazar-Atauri, I., Justes, E., Mary, B., Ripoche, D., Ruget, F.

“…To address new environmental and social issues, crop models need to widen their scope and be linked to other tools. The crop model STICS was encapsulated in…”
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Nature and decomposition degree of cover crops influence pesticide sorption: Quantification and modelling by Cassigneul, A., Alletto, L., Benoit, P., Bergheaud, V., Etiévant, V., Dumény, V., Le Gac, A.L., Chuette, D., Rumpel, C., Justes, E.

“…[Display omitted] •Sorption of pesticides on CC residues was increased with their decomposition degree.•Sorption is influenced by CC biochemical…”
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A package of parameter estimation methods and implementation for the STICS crop-soil model by Wallach, D., Buis, S., Lecharpentier, P., Bourges, J., Clastre, P., Launay, M., Bergez, J.-E., Guerif, M., Soudais, J., Justes, E.

“…Parameter estimation for complex process models used in agronomy or the environmental sciences is important, because it is a major determinant of model…”
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Evaluation of the impact of various agricultural practices on nitrate leaching under the root zone of potato and sugar beet using the STICS soil–crop model by Jégo, G., Martínez, M., Antigüedad, I., Launay, M., Sanchez-Pérez, J.M., Justes, E.

“…The quaternary aquifer of Vitoria-Gasteiz (Basque Country, Northern Spain) is characterised by a shallow water table mainly fed by drainage water, and thus…”
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Irrigation practices may affect denitrification more than nitrogen mineralization in warm climatic conditions by Valé, M, Mary, B, Justes, E

“…Predicting the impact of irrigation practices on soil N mineralization and N balance is an important issue to optimize N fertilization and reduce the N losses…”
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Determination of a Critical Nitrogen Dilution Curve for Winter Wheat Crops by Justes, E., Mary, B., Meynard, J.-M., Machet, J.-M., Thelier-Huche, L.

“…A set of N-fertilization field experiments was used to determine the 'critical nitrogen concentration', i.e, the minimal concentration of total N in shoots…”
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A species-specific critical nitrogen dilution curve for sunflower (Helianthus annuus L.) by Debaeke, P., van Oosterom, E.J., Justes, E., Champolivier, L., Merrien, A., Aguirrezabal, L.A.N., González-Dugo, V., Massignam, A.M., Montemurro, F.

“…► A sunflower-specific critical nitrogen dilution curve (CNDC) was established on a wide international dataset. ► The Nmax curve was at 130% of the CNDC while…”
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Is there an associational resistance of winter pea–durum wheat intercrops towards Acyrthosiphon pisum Harris? by Ndzana, R. A, Magro, A, Bedoussac, L, Justes, E, Journet, E.‐P, Hemptinne, J.‐L

“…Acyrthosiphon pisum Harris (Aphididae: Hemiptera), the pea aphid, is an important pest in organic farming systems. In this work, the objective was to gather…”
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Predicting soil water and mineral nitrogen contents with the STICS model for estimating nitrate leaching under agricultural fields by Jégo, G., Sánchez-Pérez, J.M., Justes, E.

“…► Mean annual nitrate concentration in drainage water exceeded 300mgNO3−L−1. ► Predicted nitrate leaching was close to 100kgNha−1. ► Nitrate groundwater…”
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Determination of a Critical Nitrogen Dilution Curve for Winter Oilseed Rape by COLNENNE, C., MEYNARD, J.M., REAU, R., JUSTES, E., MERRIEN, A.

“…Several controlled environmental and field experiments were carried out to define the critical nitrogen dilution curve for winter oilseed rape, cultivar…”
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Integrated Control of Nitrate Uptake by Crop Growth Rate and Soil Nitrate Availability under Field Conditions by Devienne-Barret, F., Justes, E., Machet, J.M., Mary, B.

“…There is still disagreement about whether crop growth rate or soil nitrate concentration control nitrogen absorption by crops under field conditions. The…”
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Calculation of nitrogen mineralization and leaching in fallow soil using a simple dynamic model by Mary, B., Beaudoin, N., Justes, E., Machet, J. M.

“…Summary Simple models describing nitrogen processes are required both to estimate nitrogen mineralization in field conditions and to predict nitrate leaching…”
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A spreadsheet model for developing field indicators and grazing management tools to meet environmental and production targets for dairy farms by Duru, M., Bergez, J.E., Delaby, L., Justes, E., Theau, J.P., Viégas, J.

“…Changes in livestock farm structure, such as increasing land area per animal, as well as developments in national and European agricultural policies may lead…”
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Development and evaluation of a CERES-type model for winter oilseed rape by Gabrielle, B., Denoroy, P., Gosse, G., Justes, E., Andersen, M.N.

“…Because of its large N fertiliser requirements and long growth cycle, winter oilseed rape ( Brassica napus L.) is considered to expose its environment to…”
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