Crop varieties, phenological phases and the yield-weather relationship: evidence from the Italian durum wheat production
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Published:2023-05-15
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Volume:
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ISSN:2280-6172
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Container-title:Bio-based and Applied Economics
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language:
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Short-container-title:BAE
Author:
Tappi Marco,Carucci Federica,Gagliardi Anna,Gatta Giuseppe,Giuliani Marcella Michela,Santeramo Fabio Gaetano
Abstract
The impacts of extreme weather events on crop productions are largely heterogeneous along the timing dimension of the shocks, and the varieties being affected. We investigate the relationships yield-weather for three durum wheat varieties (early, middle, and late). We disentangle the time dimension distinguishing five phenological stages, as identified by Growing Degree Days approach. Our panel regression models show that the starting and development stages are sensitive to changes in minimum temperatures, regardless of wheat variety. Raises in maximum temperatures during the starting stage are associated with increases in yields; the opposite is true for increases in high temperatures from seed fill to dough stage (for late varieties), and at maturity complete stage (for early varieties). The analysis suggests that advancing sowing dates may help preventing yield losses due to heat stress, whereas the cold stress should be managed through other on-farm risk management strategies or via crop insurance.
Publisher
Firenze University Press
Subject
Economics, Econometrics and Finance (miscellaneous),Environmental Science (miscellaneous),Agronomy and Crop Science,Animal Science and Zoology,Food Science
Cited by
1 articles.
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