Crop association and traditional knowledge: agroecological innovations for sustainable development

Abstract

This article critically examines intercropping a practice rooted in traditional knowledge and enhanced by agroecological innovation as a cornerstone strategy for advancing sustainable agriculture. Drawing on a systematic review of case studies, primarily from Latin America, we demonstrate that polycultures designed with ancestral wisdom significantly bolster agroecosystem resilience to climate change, optimize natural resource use, and diminish reliance on synthetic inputs. Our analysis documents that systems such as the milpa (maize-bean-squash) and cassava-legume associations enhance functional biodiversity, improve soil health via beneficial rhizospheric interactions, and generate stress-mitigating microclimates. We also analyze key socio-institutional barriers impeding the widespread adoption of these practices, notably the dominance of industrial farming models, unsupportive policies, and the marginalization of local knowledge. The article concludes that realizing the transformative potential of such systems requires synergistic integration of scientifically validated traditional knowledge, supportive policy frameworks, and tailored economic incentives. This convergence can effectively balance productivity with environmental stewardship, thereby strengthening food sovereignty and the resilience of rural communities.

Keywords: Agroecology, Biodiversity, Polycultures, Food sovereignty, Agricultural sustainability.