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Nitrogen Workshop 2018

20th Nitrogen Workshop

Coupling C-N-P-S cycles

From 25th to 27th June 2018 Le Couvent des Jacobins, Rennes – France

To contact organisation members see "Contact"

Key Dates

  • Invitation to submit extended abstract (2 pages)        23 October 2017
  • Closing date for abstract submission                           31 January 2018 (period extended)
  • Response from reviewers                                             10 April 2018
  • Deadline for submission of revised abstract               30 April 2018
  • Early Bird registration closes                                        30 April 2018
  • Final registration and payment at normal rate             31 May 2018


Information and templates are available on page « Submission ».


Le Couvent des Jacobins: a new convention Centre

Couvent des Jacobins, Place Saint Anne - ©Labtop / Jean Guervilly

Located in the heart of the city, Rennes Métropole's conference centre is housed in a former 14th century convent. Combining elegant architecture and contemporary spaces, it meets all the requirements of a 21st century conference centre.


Built in 1369, the convent was founded by the Order Friar Preachers, also known as the Dominicans or Jacobins. This new order distinguished itself by settling down in city centres.

Rennes’ Dominican convent played an important spiritual, intellectual and political role in the town's and Brittany's history. On 17 November 1491, Anne of Brittany celebrated her engagement there to the King of France, Charles VIII.



Only 90 minutes from Paris with more than 29 daily shuttles on the high speed train, Rennes is also connected to 120 other destinations in France, Europe and abroad, thanks to the Rennes Bretagne airport. Rennes is the gateway into Brittany and benefits from a privileged location less than an hour from Saint Malo and Mont-Saint-Michel bay.

Place du Champ Jacquet © Destination Rennes / Ludovic MAISANT

Rennes’ historical centre can easily be explored on foot as the main cobbled streets are a turn-off for cars – the city offers everything your guests could ask for to relax or party at the end of the day. In the heart of the city, you can wander around the convention centre in a vibrant, cultural and leisurely atmosphere: cinema, theatres, concerts, medieval heritage, trendy shops, parks, high-end hotels, terraces and restaurants, etc.

As the capital of Brittany, Rennes is the beating heart of the region's economy. This is where research efforts are concentrated, where the fields of technology, digital activity, health , agrifoods, the environment and industrial automation shine.


Agrocampus Ouest (side event)

© Agrocampus Ouest

Established for 180 years in the heart of Europe’s leading agricultural and agrifood area, AGROCAMPUS OUEST is a Grande école, or ‘elite public university-level college’, for life and environmental sciences and technologies.

Offering an impressive potential unrivalled elsewhere in France for training and research in areas ranging from food production to lanscape architecture, AGROCAMPUS OUEST has a triple vocation:

  • training students to a high scientific level, enabling them to respond in an innovative and responsible manner to current issues in life sciences (three training cycles: Master, MSc in Engineering, Ph.D.)
  • conducting academic and applied research based on the sustainable development of resources and territories, in close partnership with national and international research organisations
  • transferring knowledge to the socio-economic sector, following 5 thematic areas:
    • Vegetal, Animal, Systems
    • Environmental issues - resources, territory and city
    • Fisheries, sea and coast
    • Food
    • Landscaping

Placed under the authority of the Ministry of Agriculture and Food, Agrocampus Ouest is ISO 9001-certified for all its activities, holds the EUR-ACE label, is a founding member of the "Université Bretagne Loire",  Agreenium and research and higher education clusters.


  • 1,900 students (Master, MSc in Engineering and PhD)
  • 150 teaching staff, 130 of which are also researchers
  • 290 administrative and technical staff
  • 6 teaching and research departments
  • 13 research units
  • 360 associate researchers
  • 6 doctoral schools
  • 2 training and research centres (3 sites: Angers, Beg-Meil, Rennes)
  • 70 partners universities around the world
  • over 13,000 alumni


Scientific and technical tours

The workshop offers four tours:

Tour 1. Catchment observatory

The Kervidy-Naizin catchment (100 km west of Rennes) is a Long-Term Environmental Research Observatory where C, N, and P fluxes are monitored in multiple compartments of the environment (soils, surface and ground water, atmosphere) in a context of intensive agriculture. The tour presents the monitoring facilities and major research results since 2000. See ERO AgrHyS.

Tour 2. Livestock experimental facilities

The Méjusseaume experimental dairy farm (15 km west of Rennes) is used to design and assess innovative livestock technologies and management. The MEGEVE experimental platform is used to measure gas and energy exchanges between living organisms and the environment.

The tour focuses on nutrient management and strategies to reduce gaseous emissions to the environment.

Tour 3. Platforms for managing animal waste

This tour combines a visit to a technological platform for studying composting and anaerobic digestion of animal waste (IRSTEA) and one to the long-term field trial EFELE, for studying nutrient and pollutant fluxes related to the spreading of animal waste products (INRA). 

Both experimental facilities are located within 15 km of the convention centre.

Tour 4. Commercial organic farm

This tour presents an innovative organic farm typical of the Brittany region. The visit includes a presentation of the socio-economic and environmental context in the region, and nutrient management strategies of the farm.