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28 octobre 2020 12:22

29 octobre 2020 17:11

Identification and evaluation of agricultural practices that store soil carbon, a first step towards low impact agriculture. In French Guiana, the general environmental context and the growing need for energy and food products, linked to population growth, are responsible for increasing pressure on natural resources through land use changes. Low impact practices are emerging in the aim of reconciling production and environmental objectives. In French Guiana slash and burn practices are still used to increase agricultural area, and lead to a large loss of carbon. A field survey was carried out in order to understand the place of soil in farmers’ choices, and to obtain a description of production systems and practices, focusing on identifying those with low impact on carbon dynamics. This step was realized through specific soil carbon stock measurements. Our results show that the “soil object” is mastered by farmers in terms of physical properties, and organic matter is a recognized indicator which is used to inform spatial management of farming systems. Farmers mobilizing low-impact practices have efficient production systems for their economic and environmental benefits.

Identi fi cation and evaluation of agricultural practices that store soil carbon, a fi rst step towards low impact agriculture. In French Guiana, the general environmental context and the growing need for energy and food products, linked to population growth, are responsible for increasing pressure on natural resources through land use changes. Low impact practices are emerging in the aim of reconciling production and environmental objectives. In French Guiana slash and burn practices are still used to increase agricultural area, and lead to a large loss of carbon. A fi eld survey was carried out in order to understand the place of soil in farmers' choices, and to obtain a description of production systems and practices, focusing on identifying those with low impact on carbon dynamics. This step was realized through speci fi c soil carbon stock measurements. Our results show that the “soil object” is mastered by farmers in terms of physical properties, and organic matter is a recognized indicator which is used to inform spatial management of farming systems. Farmers mobilizing low-impact practices have ef fi cient production systems for their economic and environmental bene fi ts.

None

• AB - Utile à l'AB
• FREDO biologie et travail du sol
• FREDO environnement
• GEO Guyane
• carbone

Cahiers Agricultures

29

21

2020

1 janvier 2020

10.1051/cagri/2020019 Le DOI est une URL unique de référencement d'une publication. Il est donc plus fiable et permanent qu'une URL classique

1166-7699, 1777-5949 L’ISSN est un code de 8 chiffres servant à identifier les journaux, revues, magazines, périodiques de toute nature et sur tous supports, papier comme électronique.