[article]
| Titre : |
Benefits of increasing information accuracy in variable rate technologies |
| Type de document : |
objet à 3 dimensions, artefacts, ... |
| Auteurs : |
K. Späti ; R. Finger ; R. Huber |
| Année de publication : |
2021 |
| Article en page(s) : |
p. 1-11 |
| Langues : |
Anglais (eng) Langues originales : Anglais (eng) |
| Catégories : |
A HISTOIRE - Pays et ensemble de pays:Histoire de l'Europe:Europe occidentale:Suisse ; A HISTOIRE - Pays et ensemble de pays:Histoire du Monde Rural:Agroéconomie:Production agricole ; J CULTURE - ART - LOISIRS - ANIMATION:J.26 Technologie de l'information (logiciels):Traitement des données:Codage:Télédétection An advanced system of information gathering to monitor and forecast developments on the surface of the earth and identify an area's natural resources by looking at the world from aircraft, balloons, or satellites and evaluating the data gathered. ; S SCIENCES ET TECHNIQUES:Approche scientifique:Méthode scientifique:Modèle de simulationUse only in connection with research and planning. ; S SCIENCES ET TECHNIQUES:Sciences de la chimie:Gaz:Azote
|
| Mots-clés : |
06 - AGRICULTURE. FORÊTS. PÊCHES 6.6 - Technique Agricole (sols, engrais, mécanisation) PRECISION AGRICULTURE AGRICULTURE DE PRECISION AGRICULTURAL PRODUCTION NITROGEN NITROGEN FERTILIZERS ENGRAIS AZOTE FARMING SYSTEM SYSTEME DE PRODUCTION SIMULATION MODEL REMOTE SENSING FERTILIZER APPLICATION FERTILISATION WHEATS BLE SWITZERLAND |
| Résumé : |
Improvements in the sustainability of agricultural production depend essentially on advances in the efficient use of nitrogen. Precision farming promises solutions in this respect. Variable rate technologies allow the right quantities of fertilizer to be applied at the right place. This helps to both maintain yields and avoid nitrogen losses. However, these technologies are still not widely adopted, especially in small-scale farming systems. Recent developments in sensing technologies, like drones or satellites, open up new opportunities for variable rate technologies. In this paper, we develop a bio-economic modelling framework to assess the usefulness of different sensing approaches in variable rate fertilization to measure environmental heterogeneity at field level, ranging from satellite imagery to drones and handheld N-sensors. We assess the utility of these sensing technologies and quantify the effects on yields, nitrogen input and associated net returns using wheat production in Switzerland as our case study. Our results show that net profits increase when a high-resolution technology is applied to fields which exhibit higher spatial heterogeneity of soil conditions and lower spatial autocorrelation of different soil types. However, even with a high degree of spatial heterogeneity within a field, both the overall utility of variable rate fertilization and the absolute differences in the net returns between the technologies remain low. Our results suggest that the additional cost of using a drone that provides the highest resolution should not exceed 4.5 CHF/ha compared to the use of a standard N-sensor or satellite imagery. Thus, the adoption of variable rate technologies depends essentially on the additional economic and environmental effects they generate. Therefore, it might be necessary to implement specific policy measures, such as taxes on nitrogen in combination with subsidies. Moreover, specific technology providers, such as contractors, may play a vital role in technology uptake since the economic benefits might only play out at larger spatial levels. |
| En ligne : |
https://doi.org/10.1016/j.ecolecon.2021.107047 |
| Permalink : |
https://cs.iut.univ-tours.fr/index.php?lvl=notice_display&id=287807 |
in Ecological Economics > vol. 185 (July 2021) . - p. 1-11
[article] Benefits of increasing information accuracy in variable rate technologies [objet à 3 dimensions, artefacts, ...] / K. Späti ; R. Finger ; R. Huber . - 2021 . - p. 1-11. Langues : Anglais ( eng) Langues originales : Anglais ( eng) in Ecological Economics > vol. 185 (July 2021) . - p. 1-11
| Catégories : |
A HISTOIRE - Pays et ensemble de pays:Histoire de l'Europe:Europe occidentale:Suisse ; A HISTOIRE - Pays et ensemble de pays:Histoire du Monde Rural:Agroéconomie:Production agricole ; J CULTURE - ART - LOISIRS - ANIMATION:J.26 Technologie de l'information (logiciels):Traitement des données:Codage:Télédétection An advanced system of information gathering to monitor and forecast developments on the surface of the earth and identify an area's natural resources by looking at the world from aircraft, balloons, or satellites and evaluating the data gathered. ; S SCIENCES ET TECHNIQUES:Approche scientifique:Méthode scientifique:Modèle de simulationUse only in connection with research and planning. ; S SCIENCES ET TECHNIQUES:Sciences de la chimie:Gaz:Azote
|
| Mots-clés : |
06 - AGRICULTURE. FORÊTS. PÊCHES 6.6 - Technique Agricole (sols, engrais, mécanisation) PRECISION AGRICULTURE AGRICULTURE DE PRECISION AGRICULTURAL PRODUCTION NITROGEN NITROGEN FERTILIZERS ENGRAIS AZOTE FARMING SYSTEM SYSTEME DE PRODUCTION SIMULATION MODEL REMOTE SENSING FERTILIZER APPLICATION FERTILISATION WHEATS BLE SWITZERLAND |
| Résumé : |
Improvements in the sustainability of agricultural production depend essentially on advances in the efficient use of nitrogen. Precision farming promises solutions in this respect. Variable rate technologies allow the right quantities of fertilizer to be applied at the right place. This helps to both maintain yields and avoid nitrogen losses. However, these technologies are still not widely adopted, especially in small-scale farming systems. Recent developments in sensing technologies, like drones or satellites, open up new opportunities for variable rate technologies. In this paper, we develop a bio-economic modelling framework to assess the usefulness of different sensing approaches in variable rate fertilization to measure environmental heterogeneity at field level, ranging from satellite imagery to drones and handheld N-sensors. We assess the utility of these sensing technologies and quantify the effects on yields, nitrogen input and associated net returns using wheat production in Switzerland as our case study. Our results show that net profits increase when a high-resolution technology is applied to fields which exhibit higher spatial heterogeneity of soil conditions and lower spatial autocorrelation of different soil types. However, even with a high degree of spatial heterogeneity within a field, both the overall utility of variable rate fertilization and the absolute differences in the net returns between the technologies remain low. Our results suggest that the additional cost of using a drone that provides the highest resolution should not exceed 4.5 CHF/ha compared to the use of a standard N-sensor or satellite imagery. Thus, the adoption of variable rate technologies depends essentially on the additional economic and environmental effects they generate. Therefore, it might be necessary to implement specific policy measures, such as taxes on nitrogen in combination with subsidies. Moreover, specific technology providers, such as contractors, may play a vital role in technology uptake since the economic benefits might only play out at larger spatial levels. |
| En ligne : |
https://doi.org/10.1016/j.ecolecon.2021.107047 |
| Permalink : |
https://cs.iut.univ-tours.fr/index.php?lvl=notice_display&id=287807 |
|
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Partager le résultat de cette rechercheL'agriculture dans la compétition internationale (II) in Economie rurale / Persée et CAIRN, n. 174 (1986/07-08)
