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Productive Capacity of Biodiversity: Crop Diversity and Permanent Grasslands in Northwestern France

Abstract : Previous studies on the productive capacity of biodiversity emphasized that greater crop diversity increases crop yields. We examined the influence of two components of agricul-tural biodiversity—farm-level crop diversity and permanent grasslands—on the production of cereals and milk. We focused on productive interactions between these two biodiver-sity components, and between them and conventional inputs. Using a variety of estimators (seemingly unrelated regressions and general method of moments, with or without restric-tions) and functional forms, we estimated systems of production functions using a sample of 3960 mixed crop-livestock farms from 2002 to 2013 in France. The estimates highlight that increasing permanent grassland proportion increased cereal yields under certain con-ditions and confirm that increasing crop diversity increases cereal and milk yields. Crop diversity and permanent grasslands can substitute each other and be a substitute for fertiliz-ers and pesticides.
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https://hal.inrae.fr/hal-02925099
Contributor : François Bareille <>
Submitted on : Friday, February 26, 2021 - 8:02:53 AM
Last modification on : Tuesday, June 15, 2021 - 2:57:34 PM
Long-term archiving on: : Thursday, May 27, 2021 - 6:09:29 PM

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François Bareille, Pierre Dupraz. Productive Capacity of Biodiversity: Crop Diversity and Permanent Grasslands in Northwestern France. Environmental and Resource Economics, Springer, 2020, 77 (2), pp.365-399. ⟨10.1007/s10640-020-00499-w⟩. ⟨hal-02925099⟩

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