Mechanical weeding enhances ecosystem multifunctionality and profit in industrial oil palm

Iddris Najeeb Al-Amin, Formaglio Greta, Paul Carola, von Grob Volker, Chen Guantao, Angulo-Rubiano Andres, Berkelmann Dirk, Brambach Fabian, Darras Kevin F. A., Krashevska Valentyna, Potapov Anton, Wenzel Arne, Irawan Bambang, Damris Muhammad, Daniel Rolf, Grass Ingo, Kreft Holger, Scheu Stefan, Tscharntke Teja, Tjoa Aiyen, Veldkamp Edzo, Corre Marife D.. 2023. Mechanical weeding enhances ecosystem multifunctionality and profit in industrial oil palm. Nature Sustainability, 6 (6) : 683-695.

Url - jeu de données - Entrepôt autre : https://doi.org/10.25625/MZJLUM / Url - jeu de données - Entrepôt autre : https://doi.org/10.1093/nar/gks1219 / Url - jeu de données - Entrepôt autre : https://dx.doi.org/10.6084/m9.figshare.c.3306933

Résumé : Oil palm is the most productive oil crop, but its high productivity is associated with conventional management (that is, high fertilization rates and herbicide application), causing deleterious environmental impacts. Using a 22 factorial experiment, we assessed the effects of conventional vs reduced (equal to nutrients removed by fruit harvest) fertilization rates and herbicide vs mechanical weeding on ecosystem functions, biodiversity and profitability. Analysing across multiple ecosystem functions, mechanical weeding exhibited higher multifunctionality than herbicide treatment, although this effect was concealed when evaluating only for individual functions. Biodiversity was also enhanced, driven by 33% more plant species under mechanical weeding. Compared with conventional management, reduced fertilization and mechanical weeding increased profit by 12% and relative gross margin by 11% due to reductions in material costs, while attaining similar yields. Mechanical weeding with reduced, compensatory fertilization in mature oil palm plantations is a tenable management option for enhancing ecosystem multifunctionality and biodiversity and increasing profit, providing win–win situations.

Mots-clés Agrovoc : Elaeis guineensis, mauvaise herbe, biodiversité, fertilisation, désherbage, herbicide, industrie des engrais, écosystème, plantations, impact sur l'environnement

Mots-clés géographiques Agrovoc : Indonésie

Classification Agris : H60 - Mauvaises herbes et désherbage
F08 - Systèmes et modes de culture

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

Agences de financement hors UE : Deutsche Forschungsgemeinschaft

Projets sur financement : (DEU) EFForTS

Auteurs et affiliations

• Iddris Najeeb Al-Amin, University of Goettingen (DEU)
• Formaglio Greta, CIRAD-PERSYST-UMR Eco&Sols (FRA)
• Paul Carola, University of Goettingen (DEU)
• von Grob Volker, University of Goettingen (DEU)
• Chen Guantao, University of Goettingen (DEU)
• Angulo-Rubiano Andres, University of Goettingen (DEU)
• Berkelmann Dirk, University of Goettingen (DEU)
• Brambach Fabian, University of Goettingen (DEU)
• Darras Kevin F. A., Westlake University (CHN)
• Krashevska Valentyna, University of Goettingen (DEU)
• Potapov Anton, University of Goettingen (DEU)
• Wenzel Arne, University of Goettingen (DEU)
• Irawan Bambang, University of Jambi (IDN)
• Damris Muhammad, University of Jambi (IDN)
• Daniel Rolf, University of Goettingen (DEU)
• Grass Ingo, University of Hohenheim (DEU)
• Kreft Holger, University of Goettingen (DEU)
• Scheu Stefan, University of Goettingen (DEU)
• Tscharntke Teja, University of Goettingen (DEU)
• Tjoa Aiyen, Tadulako University (IDN)
• Veldkamp Edzo, University of Goettingen (DEU)
• Corre Marife D., University of Goettingen (DEU)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/608211/)

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