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Quinoa-olive agroforestry system assessment in semi-arid environments: Performance of an innovative system

Abidi lham, Daoui Khalid, Abouabdillah Aziz, Belqadi Loubna, Mahyou Hamid, Bazile Didier, Douaik Ahmed, Gaboun Fatima, Sidikou Abdel Aziz Hassane, Alaoui Si Bennasseur. 2024. Quinoa-olive agroforestry system assessment in semi-arid environments: Performance of an innovative system. Agronomy (Basel), 14 (3):495, 23 p.

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Résumé : Agroforestry is a promising way to sustain land use efficiency in semi-arid areas. In this study, we introduce quinoa as a drought- and salinity-tolerant crop in olive-based agroforestry. We investigated how the microclimate created by olive trees affects agronomic and biochemical traits in quinoa and evaluated the performance of this new olive-based agroforestry system in terms of land equivalent ratio (LER). Field experiments were carried out under two pedoclimatic conditions (S1) and (S2) using a randomized complete block design with two cropping systems (sole crop (SCS) and agroforestry (AFS) systems), four quinoa cultivars (Puno, Titicaca, ICBA-Q5, and ICBA-Q4) and one olive orchard as a control (OR) in each block. Our results show that AFS had lower grain yield (−45%), dry biomass (−49%), and crop water productivity (−44%), but higher plant height (12%), grain protein (4%), saponin (26%), total polyphenol (12%), and DPPH (9%) contents compared to SCS. The highest grain yield was recorded for Titicaca and ICBA-Q5 (1.6 t ha−1). The LER ranged from 1.57 to 2.07, indicating that the overall productivity was 57% to 107% higher in the agroforestry system compared with the monoculture. We suggest that quinoa–olive tree intercropping could be a promising agroecological practice under semi-arid conditions.

Mots-clés Agrovoc : systèmes agroforestiers, agroforesterie, agroécologie, adaptation aux changements climatiques, caractère agronomique, rendement des cultures, changement climatique, climat semi-aride, zone semi-aride, diversification, variété, innovation agricole, variété indigène, système de culture, systèmes d'innovation agricole, innovation, Olea europaea, Chenopodium quinoa

Mots-clés géographiques Agrovoc : Maroc

Mots-clés libres : Olive-based agroforestry, Sole crop system, Quinoa, Grain yield, Seed quality

Classification Agris : F08 - Systèmes et modes de culture
F01 - Culture des plantes

Champ stratégique Cirad : CTS 2 (2019-) - Transitions agroécologiques

Agences de financement hors UE : Partnership for Research and Innovation in the Mediterranean Area

Projets sur financement : (MAR) Quinoa as a climate-smart crop diversification option for higher income generation from marginal lands in the Mediterranean

Auteurs et affiliations

  • Abidi lham, IAV Hassan II (MAR) - auteur correspondant
  • Daoui Khalid, National Institute of Agricultural Research, Regional Center of Meknes (MAR)
  • Abouabdillah Aziz, ENAM (MAR)
  • Belqadi Loubna, IAV Hassan II (MAR)
  • Mahyou Hamid, INRA (MAR)
  • Bazile Didier, CIRAD-ES-UMR SENS (FRA) ORCID: 0000-0001-5617-9319
  • Douaik Ahmed, INRA [Maroc] (MAR)
  • Gaboun Fatima, INRA [Maroc] (MAR)
  • Sidikou Abdel Aziz Hassane, IAV Hassan II (MAR)
  • Alaoui Si Bennasseur, IAV Hassan II (MAR)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/608670/)

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