C-sequestration and resilience to climate change of globe artichoke cropping systems depend on crop residues management

Globe artichoke is one of the most intensively cultivated horticultural species in Mediterranean regions. In this context, sustainable agronomic management is a requisite to increase the soil carbon content, making the artichoke cultivation system more resilient to climate change. A 10-year experime...

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Bibliographic Details
Published in:Agronomy for sustainable development 2021-04, Vol.41 (2), Article 20
Main Authors: Deligios, Paola A., Farina, Roberta, Tiloca, Maria Teresa, Francaviglia, Rosa, Ledda, Luigi
Format: Article
Language:English
Subjects:
Agricultural practices
Agricultural sciences
Agriculture
Agronomy
Artichokes
Bioclimatology
Biomedical and Life Sciences
Carbon
Carbon content
Cauliflowers
Climate change
Cover crops
Crop management
Crop residues
Crop rotation
Cropping systems
Crops
Cultivation
Cynara scolymus
Ecology, environment
Horticulture
Life Sciences
Monoculture
Organic carbon
Organic soils
Research Article
Residues
Resilience
Rotation
Soil dynamics
Soil erosion
Soil fertility
Soil Science & Conservation
Sustainable Development
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Summary:Globe artichoke is one of the most intensively cultivated horticultural species in Mediterranean regions. In this context, sustainable agronomic management is a requisite to increase the soil carbon content, making the artichoke cultivation system more resilient to climate change. A 10-year experiment was considered to forecast the influence on soil C dynamic of three globe artichoke managements: monoculture with dry crop residues incorporation (conventional monoculture), monoculture with the inclusion of a cover crop (alternative monoculture), and rotation with cauliflower plus cover crop (biannual rotation). During the 2006–2016 period, total soil organic carbon content and plant C inputs to soil were measured. RothC model was used to predict the effect on the soil C stock and C sequestration potential in 20 years of the three managements tested in the field, plus a hypothetical conventional scenario with no residues’ incorporation (no residues). Plant C inputs increased according to the number of crops in rotation in each system, resulting 25% lower in conventional monoculture with respect to biannual rotation, whereas the C stock change was significantly higher ( p  
ISSN:1774-0746
1773-0155
DOI:10.1007/s13593-021-00680-5