Sowing / transplanting early varieties
Presentation
Characterization of the technique
Description of the technique :
| Rémy Ballot | INRA | remy.ballot(at)grignon.inra.fr | Grignon (78) |
Favor early varieties among the offered earliness ranges.
Implementation period On established crop
Spatial scale of implementation Plot
Application of the technique to...
All crops : Sometimes difficult to generalize
The available varietal earliness range varies greatly from one crop to another.
All soil types : Easily generalizable
All climatic contexts : Easily generalizable
Effects on the sustainability of the cropping system
"Environmental" criteria
Effect on air quality : Increasing
acidification : NEUTRAL
phytosanitary emissions : NEUTRAL
GHG emissions : DECREASE
particulate emissions : NEUTRAL
Effect on fossil resource consumption : Decreasing
fossil energy consumption : DECREASE
Other : No effect (neutral)
The choice of early varieties for summer crops avoids the need to dry grains after harvest, thus reducing greenhouse gas emissions and fossil energy consumption related to this operation.
"Agronomic" criteria
Productivity : Variable
Early varieties generally have a lower yield potential than later varieties. However, in years with marked end-of-cycle water stress, choosing early varieties helps avoid yield losses. In general, choosing early varieties helps stabilize the yield obtained.
Soil fertility : No effect (neutral)
Water stress : Decreasing
Choosing early varieties reduces the risk of yield losses due to water stress.
Functional biodiversity : No effect (neutral)
"Economic" criteria
Operating costs : Variable
Choosing early varieties, with lower yield potential, should lead to adapting the technical itinerary accordingly, thus reducing operating costs. For summer crops, choosing early varieties can avoid drying costs.
Mechanization costs : No effect (neutral)
Margin : Variable
Choosing early varieties may reduce revenue due to lower yield potential, but this is not the case in years with severe water deficit where later varieties' yields are penalized. Moreover, this choice can sometimes lead to a reduction of operating costs (drying, inputs in general).
Other economic criteria : No effect (neutral)
Fuel consumption: no effect (neutral)
"Social" criteria
Working time : No effect (neutral)
Peak period : No effect (neutral)
Observation time : No effect (neutral)
For more information
- Reasoning cropping systems according to water availability
- -Debaeke P., Willaume M., Casadebaig P., Nolot J.M. (INRA)
Agronomic innovations no. 2, Peer-reviewed article, 2008
- Drought and agriculture - Reducing agriculture's vulnerability to increased water scarcity risk
- -Amigues J.P., Debaeke P., Itier B., Lemaire G., Seguin B., Tardieu F., Thomas A. (INRA)
University works, 2006
Keywords
Bioaggressor control method :
Mode of action :
Type of strategy regarding pesticide use :
