AGRO 2015 / FSD5


#Agro2015

The 5th International Symposium for
Farming Systems Design


“Multi-functional farming systems in a changing world”

Le Corum conference center, Montpellier, France


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Workshop W5. Silvo-arable and silvo-pastoral systems
Session Chair: Bruno Rapidel, CIRAD

Co-chair: Marie Gosme, INRA

 


This On-Farm Workshop was organized by the joint Research Unit on Functioning and management of Tropical and Mediterranean cropping systems (UMR SYSTEM) affiliated to CIRAD, INRA, Montpellier SupAgro and IAM.M.

The visit took place at the Agroforestry experiment, Restinclières Farm Estate belonging to the Hérault General Council (Prades le Lez, 11 km North of Montpellier). It was attended by 40 participants from 11 countries under a shining sun.

The morning session was dedicated to the visit of the 20 years old agroforestry experiment. It focused on the technical management of silvoarable systems, the diversification of agroforestry systems (with its successes and failures, whose exploration is essential in this novel system), on below ground interaction -with the visit of a 4-m deep pit equipped with rhizotrons and mini-rhizotrons, as well as above ground interactions, leading to stimulating discussions on light interception.

The afternoon indoor session, focused on agroforestry systems, completed well the morning visit, by including presentations on pests and diseases, an essential part of agroforestry systems, particularly in the tropics. Of course, the theme of the congress - farming system design, was also broached.

The plot, farm and landscape scales were encompassed, showing contrasting results. Although research results are used in agroforestry system design initiatives, both in temperate and tropical regions, more research on these systems is certainly required, as unexpected effects of agroforestry practices were occasionnally observed. The workshop was concluded by a visit of an experimental agroforestry vineyard.

 

Program

8.15: Departure from Montpelllier (Corum)
9.00: Arrival on SICA parking lot and entrance to the Estate walking ❶ (we leave the bus for the whole day – don't forget anything in)
9.15: General presentation of the estate ❷

9.30-11.00: Outdoor session (4 groups rotate between 4 workshops): ❸
Technical management of silvoarable systems (speaker: Delphine Mézière, INRA)
What technical management adaptations are required when growing crops and trees within the same field? After a presentation of the current cropping practices and the remaining issues to achieve more sustainability, we will exchange on the different options for cropping system improvement and the research challenges in terms of cropping system design.
Diversification of agroforestry systems (speaker: Lydie Dufour, INRA)
Most of the global energy needs are currently met by fossil fuels, but the depletion of fossil fuels means that alternative sources of energy are needed. Agroforestry systems producing biomass for energy production as well as timber wood and/or food production allow optimizing the land use. We will present a field with Short Rotation Coppices associated with timber walnut trees and an experiment of pollarding adult trees in a cereal-based agroforestry field.
Below-ground interactions (speaker: Marie Gosme, INRA)
Agroforestry systems combining winter crops and deep rooted trees (e.g. walnut) are very efficient in terms of food and timber production. This efficiency is in part due to the unusual architecture of tree roots in agroforestry, compared to forest trees, which allows a vertical segregation between crop roots and tree roots and increases the complementarity between the trees and crops for below-ground resources. We will discuss the mechanisms related to root interactions between trees and crops. Participants are welcome to share their experience in monitoring below-ground interactions between plants.
Above-ground interactions (speaker: Christian Dupraz, INRA)
The design of agroforestry systems must take into consideration light competition between trees and crops. Tree row orientation, tree row spacing, tree pruning, tree phenology will impact light competition. A process- based model was used to predict best management practices and showed that we are far from the optimum in this experiment. Trees will also be part of an adaptation strategy of the crops to climate change, and shade is part of that story. But not only shade…
Discussion with farmers and advisors (Alain and Henri Breton (arable crops), Denis Florès (vegetables), David de Montfumat (livestock), Clélia Saubion and/or Fabien Liagre (advisors)

11.15: Cold drinks in the forest control ❹

12.00-12.45: Discussion with farmers and advisors (Alain and Henri Breton (arable crops), Denis Florès (vegetables), David de Montfumat (livestock), Clélia Saubion and/or Fabien Liagre (advisors) -❺

1.00-2.00: Outdoors lunch near the castle (if the weather permits) ❻
2.00-2.30: Coffee in the downstairs room in the castle ❼
2.30-4.30: Indoor session


2.30-2.55:"Multi-scale studies of the relationships between cropping structure and pest and disease regulation services."
Cynthia Gidoin, INRA, France

2.55-3.10:"Ecosystem services provided by coffee agroecosystems across a range of topo-climatic conditions and management strategies."
Rolando Cerda, CATIE, Costa-Rica

3.10-3.25:"Evaluation and design of multispecies cropping systems with perennials: are current methods applicable?"
Bruno Rapidel, CIRAD, Costa-Rica

3.25-3.40:"Understanding the determinants and links between ecosystem services in coffee-based agroforestry systems to offer pathways of agroecological intensification: insights from various farmers' practices in a small agricultural region in Central North Nicaragua."
Martin Notaro, CIRAD, France

3.40-3.45:"What multifunctionality in the mango orchards for export in Senegal?"
Hubert De Bon, CIRAD, France

3.45-3.50:"Franck Spatial distribution and Mapping of Cocoa Swollen Shoot Disease for Effective rehabilitation strategies in infected areas."
Zokou Franck Oro, University of Peleforo Gon Coulibaly, Ivory Coast

3.50-3.55:"Systemic analysis of a temperate forest garden: a contribution to complex agrosystems study."
Charlotte Pasquier, Association Française d'Agroforesterie, France

3.55-4.00:"Driving tree roots deep in agroforestry systems: combining moderate water stress and water competition at plantation."
Oswaldo Forey, INRA, France

4.00-4.05:"New agro-ecologic paradigm for little farming exploitations to obtain alimentary sovereignty."
Serge Valet, Passerelles, France

4.05-4.30: General discussion and break


4.30-5.15: Visit of the grapevine plots and informal discussions ❾
5.30-6.15: bus departure from the castle back to Montpellier (Corum) ❿

 



 


Updated 02.02.16



Organizing Committee FSD5
/ AGRO2015
Contact: Brigitte Cabantous - Tel. +33 (0)4.67.61.49.22 - Fax. +33 (0)4.67.61.75.19
Email: fsd5@european-agronomy.org

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