Rubber-based agroforestry systems associated with food crops: A solution for sustainable rubber and food production?

Nur Cahyo Andi, Dong Ying, Taryono, Nugraha Yudhistira, Junaidi, Sahuri, Penot Eric, Hairmansis Aris, Purwestri Yekti Asih, Akbar Andrea, Asywadi Hajar, Ardika Risal, Eko Prasetyo Nur, Agustina Dwi Shinta, Alam Taufan, Oktavia Fetrina, Subandiyah Siti, Montoro Pascal. 2024. Rubber-based agroforestry systems associated with food crops: A solution for sustainable rubber and food production?. Agriculture (Basel), 14 (7), 20 p.

https://doi.org/10.3390/agriculture14071038

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Résumé : Agroforestry is often seen as a sustainable land-use system for agricultural production providing ecosystem services. Intercropping with food crops leads to equal or higher productivity than monoculture and results in food production for industry and subsistence. Low rubber price and low labor productivity in smallholdings have led to a dramatic conversion of rubber plantations to more profitable crops. The literature analysis performed in this paper aimed at better understanding the ins and outs that could make rubber-based agroforestry more attractive for farmers. A comprehensive search of references was conducted in March 2023 using several international databases and search engines. A Zotero library was set up consisting of 415 scientific references. Each reference was carefully read and tagged in several categories: cropping system, country, main tree species, intercrop type, intercrop product, level of product use, discipline of the study, research topic, and intercrop species. Of the 232 journal articles, 141 studies were carried out on rubber agroforestry. Since 2011, the number of studies per year has increased. Studies on rubber-based agroforestry systems are performed in most rubber-producing countries, in particular in Indonesia, Thailand, China, and Brazil. These studies focus more or less equally on perennials (forest species and fruit trees), annual intercrops, and mixed plantations. Of the 47 annual crops associated with rubber in the literature, 20 studies dealt with rice, maize, banana, and cassava. Agronomy is the main discipline in the literature followed by socio-economy and then ecology. Only four papers are devoted to plant physiology and breeding. The Discussion Section has attempted to analyze the evolution of rubber agroforestry research, progress in the selection of food crop varieties adapted to agroforestry systems, and to draw some recommendations for rubber-based agroforestry systems associated with food crops.

Mots-clés Agrovoc : agroforesterie, Hevea brasiliensis, système de culture, plante à caoutchouc, culture intercalaire, systèmes agroforestiers, services écosystémiques, agriculture durable, amélioration des plantes, changement climatique, plante alimentaire, physiologie végétale