Paris, 15 january 2013

Reconciling agronomic production, water-saving and soil preservation

Unexpectedly, some crops such as maize or rapeseed have been found to act as carbon sinks, extracting CO2 from the atmosphere. However, others like sunflower and silage maize are carbon sources. These are the main conclusions of a study carried out by a research team from the Centre d'études spatiales de la biosphère (CESBIO, CNRS / Université Toulouse III - Paul Sabatier / CNES / IRD). Over seven years, researchers measured the carbon and water fluxes of two experimental field plots. Their results show that the environmental impact of agriculture can be reduced by the right cropping practices, making it possible for agriculture to reconcile environmental and agronomic objectives. This work was published in Agricultural and Forestry Meteorology on 15 January 2013.

To download the pres release  CP-Reconciling agronomic production, water-saving and soil preservation


Crops' water use efficiencies in temperate climate: Comparison of stand, ecosystem and agronomical approaches. Tiphaine Tallec, Pierre Béziat, Nathalie Jarosz, Vincent Rivalland, Eric Ceschia. Agricultural and Forestry Meteorology, 15 January 2013.


Researchers l Tiphaine Tallec l T +33 (0)5 61 55 85 78 l
Eric Ceschia l T +33 (0)5 61 55 85 29 l
CNRS press officer l Priscilla Dacher l T +33 (0)1 44 96 46 06 l


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