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1. The trade-off between grape yield and grapevine susceptibility to powdery mildew and grey mould depends on inter-annual variations in water stress

Author

Christian Gary, Nicolas Guilpart, Sébastien Roux, Aurélie Metay, Agronomie, Institut National de la Recherche Agronomique (INRA)-AgroParisTech, Fonctionnement et conduite des systèmes de culture tropicaux et méditerranéens (UMR SYSTEM), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Institut Français de la Vigne et du Vin (IFV), projet SP3A, AAP Gessol, AgroParisTech-Institut National de la Recherche Agronomique (INRA), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), and Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro)

Subjects
0106 biological sciences, Atmospheric Science, Field experiment, [SDV]Life Sciences [q-bio], Biology, 01 natural sciences, water stress, Yield (wine), Cover crop, Botrytis cinerea, trade-off, 2. Zero hunger, Global and Planetary Change, Mildew, grape yield, Forestry, 04 agricultural and veterinary sciences, grey mould, 15. Life on land, biology.organism_classification, Fungicide, vitis vinifera L, Agronomy, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, powdery mildew, Agronomy and Crop Science, Pruning, Powdery mildew, 010606 plant biology & botany
Abstract

tReducing plant growth to limit their susceptibility to diseases has been proposed as a way to reducepesticide use, but reducing crop growth may have detrimental effect on yield. In this paper, we test thehypothesis of a trade-off between maintaining grape yield and reducing grapevine susceptibility to pow-dery mildew (Erysiphe necator) and grey mould (Botrytis cinerea), two major diseases of the grapevine(Vitis vinifera L.). Grapevine susceptibility to these two diseases was measured by relevant features ofgrapevine vegetative development identified in previous studies: leaf biomass at flowering for powderymildew and pruning mass for grey mould. Data were collected during a 3-year field experiment in a vine-yard located in the south of France, in which pests and disease were controlled by spraying pesticides. Thetwo pathogens studied in this paper were chosen because they differ in terms of their biology (biotrophvs necrotroph) and their interaction with the grapevine (the highest grapevine susceptibility occurs earlyin the cycle for powdery mildew and late in the cycle for grey mould), in order to give genericity to theresults. Results confirmed the hypothesis of a trade-off between maintaining grape yield and reducinggrapevine susceptibility to both pathogens through reduced vegetative growth, but provided evidencethat win–win situations (high yield, low susceptibility) do exist. Moreover, we found a synergy betweenreducing grapevine susceptibility to powdery mildew and grey mould. These results suggest opportuni-ties to reduce fungicide use when a win–win situation occurs as the risk of yield and quality losses maybe lower in those years. Inter-annual variation in water stress at flowering was found to be a key driverof the balance between grape yield and grapevine susceptibility to both pathogens through their effecton the source–sink balance of the grapevine. Water stress at flowering appeared as a relevant indicatorto inform the probability of occurrence of a win–win situation. Our results suggest that it could also beused to adapt management practices like irrigation, cover cropping or a combination of both, to reacha win–win situation. The relevance of these findings to vineyards in similar semi-arid environments is discussed.

Published
2017

2. Nitrogen supply controls vegetative growth, biomass and nitrogen allocation for grapevine (cv. Shiraz) grown in pots

Author

Aurélie Metay, Angélique Christophe, Jessica Magnier, Nicolas Guilpart, Fonctionnement et conduite des systèmes de culture tropicaux et méditerranéens (UMR SYSTEM), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Écophysiologie des Plantes sous Stress environnementaux (LEPSE), Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro), Pôle Rhône-Méditerranée, Domaine de Donadille, Institut Français de la Vigne et du Vin (IFV), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), and Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro)

Subjects
0106 biological sciences, Limiting factor, Ecophysiology, [SDV.SA]Life Sciences [q-bio]/Agricultural sciences, Vegetative reproduction, croissance végétale, croissance foliaire, Plant Science, Biology, nitrogen stress, 01 natural sciences, Veraison, modelling, Botany, biomasse, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, croissance de la tige, Axis elongation, modélisation, 2. Zero hunger, Biomass (ecology), Phenology, fungi, food and beverages, 04 agricultural and veterinary sciences, nitrogen fertilization, plant growth, grapevine, Horticulture, culture en pot, fertilisation azotée, Productivity (ecology), stress à l'azote, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, pot growing, biomass allocation, vigne, Agronomy and Crop Science, 010606 plant biology & botany
Abstract

Maintaining grapevine productivity with limited inputs is crucial in Mediterranean areas. Apart from water, nitrogen (N) is also an important limiting factor in grape growing. The effects of N deficiency on grapevine growth were investigated in this study. Two-year-old Vitis vinifera L.cv. Shiraz plants grafted on 110 R were grown in pots placed outside and exposed to various N supplies (0, 0.6, 1.2, 2.4 and 12 g plant–1) under well-watered conditions. At veraison, plants were harvested and organs separately dried, weighed and analysed for N. During plant growth, the length of the primary and secondary axes and the number of leaves on them were recorded. The N content of leaves was also analysed at three phenological stages (flowering, bunch closure and veraison). All growth processes were inhibited by N deficiency in an intensity-dependent manner. Quantitative relationships with N supply were established. Vegetative growth responded negatively to N stress when comparing control N supply with no N supply: primary axis elongation (–61%), leaf emergence on the primary axis (–47%), leaf emergence on the secondary axis (–94%) and lamina area expansion (–45%). Significant differences on the plant N status were observed from flowering onwards which might be useful for managing fertilisation.

Published
2015

3. Grapevine bud fertility and number of berries per bunch are determined by water and nitrogen stress around flowering in the previous year

Author

Nicolas Guilpart, Christian Gary, Aurélie Metay, Fonctionnement et conduite des systèmes de culture tropicaux et méditerranéens (UMR SYSTEM), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), IFV (Institut Francias de la Vigne et du Vin), ANRT (Association Nationale de la Recherche et de la Technologie), Gessol program of the French ministry of Ecology, Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), and Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro)

Subjects
2. Zero hunger, Irrigation, Nitrogen stress, Vitis vinifera L, Yield formation, Field experiment, [SDV]Life Sciences [q-bio], Soil Science, Plant Science, 15. Life on land, Biology, Berry number per bunch, Water balance, water stress, Agronomy, Inflorescence, Yield (wine), Soil water, Cultivar, Bud fertility, stress hydrique, Cover crop, Agronomy and Crop Science
Abstract

Grapevine yield formation extends over two consecutive years (seasons 1 and 2). The inflorescence formation (around flowering in season 1) is crucial as it is involved in the formation of both the bunch number per vine and the berry number per bunch in season 2, that account for about 60% and 30% of year-to-year yield variation of grapevine, respectively. Light, temperature, water and nitrogen availability are known to affect this early stage. The aims of this work were to determine the critical periods during which inflorescence formation is sensitive to water and nitrogen stress and quantify their effects on it. To address these issues, we used a 3-year (2010–2012) field experiment (cv. Shiraz) in combination with a water balance simulation model (WaLIS) and a 6-year field experiment (cv. Aranel). In both experiments, different treatments were applied to create a gradient of water and nitrogen supply (treatments involved cover cropping, irrigation and fertilization). The grapevine yield and its components were recorded. Water and nitrogen status of grapevine were monitored throughout the season. Inflorescence formation was sensitive to water and nitrogen stress during a critical period that occurred between 400 and 700 °Cd after budburst in season 1. Bud fertility (number of bunches per shoot) and berry number per bunch in season 2 were significantly correlated with the fraction of transpirable soil water (FTSW), predawn leaf water potential and leaf nitrogen content at that time for both cultivars. Water and nitrogen stress during the critical period of season 1 determined 65–70% of grapevine yield in season 2. Our results show that the maximum yield that can be reached in season 2 is determined during the critical period of season 1 and they provide clues to estimate it. These results may help grape growers to adapt their practices (i) in season 1 to ensure a sufficient maximum yield for season 2 and (ii) to actually obtain the targeted yield in season 2 depending on the maximum yield determined in season 1.

Published
2014

4. Designing cropping systems with high productive performance and low use of pesticides: concepts, methods and knowledge, with illustration on vineyards

Author

Jacques Wéry, Raphaël METRAL, Christian Gary, Nicolas Guilpart, Aurelie Metay, Anne Merot, Nathalie Smits, Fonctionnement et conduite des systèmes de culture tropicaux et méditerranéens (UMR SYSTEM), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)

Subjects
technical system, agrosystem, [SDV]Life Sciences [q-bio], prototyping, modeling, pests, diseases
Abstract

Sustainable development of agriculture in Europe relies on the design of innovative cropping systems able to achieve high productive performance (quantity and quality) with low use of pesticides, while remaining compatible with socio-economic (e.g. labour use) and other environmental objectives (e.g. energy use). Over the last decade, this has led to the emergence of inter-disciplinary research activities driven by system’s analysis and design methodologies. Designing such multifunctional cropping systems requires to develop new knowledge on the relationships between the structure of agroecosystems, the processes involved in plants and pest/disease interactions and how they influence the productive performances of the system and the trade-offs with the other agroecosystem’s services. Designing a “pest suppressive or less susceptible” agroecosystem with less chemical inputs generally leads to complexify its structure (e.g. more plants species in rotation and or association) and put emphasis on poorly known processes such as the interaction between plant vigor and the trade-off between pest/diseases susceptibility on one side and yield formation on the other side. Conceptual models have been developed to integrate existing knowledge from various disciplines, as well as expert knowledge, in order to analyze how the various cropping techniques, including pesticides and genotypes, can be combined in an operational Technical System (TS), in order to manipulate the process involved in plant productivity and pest/disease control to reach the set of objectives fixed for a given context (a farm in a soil/climate and a supply chain). Analysis and management indicators are essential tools to provide information, under field conditions, on the agroecosystem processes and properties in order to guide the design process and support decisions for the management of the TS. Prototyping methodologies have been developed to conceptualize these innovative TS, test them in system’s experiments, evaluate them with a set of assessment indicators and adjust them to reach a targeted compromise among agroecosystem’s services in a progress loop. In return this design oriented approach yields new knowledge on the emerging properties of the agroecosystem and new questions on poorly understood processes or components, which can be further used to prioritize research objectives and conduct analytical experiments. Simulation models can contribute to the approach at various steps and their role and nature will be discussed on the basis of processes to be simulated, affordable uncertainty and available data for their parameterization/evaluation. Specific questions arise from this field-based approach on how to integrate it at farm and landscape scales and how to ensure farmer’s and stakeholder’s involvement in the design/assessment process in order to increase the probability of adoption of these TS by farmers. We will illustrate these concepts, methods and new knowledge on the example of vineyards with results and research questions emerging from the EcoViti network in France

Published
2013

5. Determinants of the degradation of soil structure in vineyards with a view to conversion to organic farmirng

Author

Christian Gary, Nicolas Guilpart, A. Capillon, L. Polge de Combret Champart, Anne Merot, Fonctionnement et conduite des systèmes de culture tropicaux et méditerranéens (UMR SYSTEM), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), AdVini, ANRT (Association Nationale de la Recherche et de la Technologie), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), and Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro)

Subjects
vignoble, [SDV]Life Sciences [q-bio], Compaction, Soil Science, Soil science, 010501 environmental sciences, vineyard, 01 natural sciences, soil compaction, compactage du sol, Soil series, agriculture biologique, organic farming, Soil retrogression and degradation, sud de la france, 0105 earth and related environmental sciences, diagnostic de terrain, 2. Zero hunger, traffic, profil pédologique, Soil morphology, 04 agricultural and veterinary sciences, soil profile, 15. Life on land, Soil type, Pollution, Soil structure, Agronomy, field diagnosis, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, Environmental science, Soil horizon, Agronomy and Crop Science, Waterlogging (agriculture)
Abstract

In perennial crops such as grapevine, there is a considerable risk of soil degradation caused by mechanization. Organic farming may increase traffic and result in more intensive soil structure degradation, especially on wet soil. Soil structure was observed in 69 soil profiles from 12 vineyards (Languedoc-Roussillon, Bordeaux, Provence, Burgundy, Rhone Valley) to study the relationships between permanent soil characteristics (texture, stoniness, waterlogging), cultivation practices (technical operations, traffic, farm equipment) and soil structure. Compaction zones were identified in soil profiles viewed perpendicularly to the grapevine rows. The percentage of compacted area and a score for compaction intensity were assessed in the top 0.5 m of the soil profile in three soil compartments defined by the distance from the grapevine row: (1) 0 to 0.2 m (2) 0.2 m to 0.5 m and (3) 0.5 m to the middle of the inter-row. Most soil profiles exhibited considerable compaction: 75% of the soil profiles were compacted in compartments 2 or 3. Intensity correlated with depth of compaction in compartment 2 – the deeper the compaction, the greater the compaction intensity. Four types of soil profiles could be identified, depending on the location of compacted zones and of their intensity of compaction. The factors that determined the types of soil profiles were as follows: soil vulnerability to compaction, use of moderating practices (practices that limit the risk of compaction) and traffic geometry. A statistical analysis resulted in a decision tree that provides a useful basis to choose cultivation practices that limit damage to or improve soil structure.

Published
2013

6. Indicating processes and performances of agrosystems: a framework based on a conceptual model and its use in vineyards fields

Author

Jacques Wéry, Patrice Coll, Lionel Delbac, Nicolas Guilpart, Marc FERMAUD, Aurelie Metay, Nathalie Smits, Denis Thiery, Anne Merot, Fonctionnement et conduite des systèmes de culture tropicaux et méditerranéens (UMR SYSTEM), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Ecologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes (UMR Eco&Sols), Institut National de la Recherche Agronomique (INRA)-Institut de Recherche pour le Développement (IRD)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Santé Végétale (SV), Institut National de la Recherche Agronomique (INRA)-École Nationale d'Ingénieurs des Travaux Agricoles - Bordeaux (ENITAB), Institut Français de la Vigne et du Vin (IFV), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)

Subjects
[SDV]Life Sciences [q-bio]
Abstract

absent

Published
2012

7. Évaluation des surfaces agricoles potentiellement concernées par l'instauration d'une distance minimale entre les habitations et les zones d'épandage de produits phytosanitaires en France

Author

Bertin, Iris, AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Institut national de la recherche agronomique (Inrae), UMR Agronomie, 1 avenue Lucien Brétignères, 78850 thiverval-Grignon, Véronique Beaujouan, and Nicolas Guilpart

Subjects
Surfaces agricoles, ZNT, Agricultural surfaces, Residents, [SDV]Life Sciences [q-bio], Spatial analysis, Riverains, Analyse spatiale, Pesticides, Zone de Non Traitement (ZNT)
Abstract

In France, since 1 January 2020, the law has established non-treatment distances of 3 to 20 metres between homes and areas where plant protection products are applied. To understand the impact of such a measure on agricultural areas in mainland France, we calculated the agricultural areas within 10, 50, 100 and 150 metres of homes using the Cesbio OSO database, then the RPG and BD TOPO.; En France depuis le 1er janvier 2020, la loi instaure des distances de non traitements allant de 3 à 20 mètres entre les habitations et les zones d’épandages de produits phytosanitaires. Pour comprendre l’impact d’une telle mesure sur les surfaces agricoles en France métropolitaine, nous avons calculé les surfaces agricoles à moins de 10, 50, 100 et 150 mètres des habitations avec la base de données OSO du Cesbio, puis avec le RPG et la BD TOPO.

Published
2020

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