The Influence of Trees on Crop Yields in Temperate Zone Alley Cropping Systems: A Review

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Abstract

Agroforestry is a multifunctional land use system that represents a promising approach to mitigate the environmental impact of agriculture while enhancing the resilience of agricultural systems and ensuring sustainable food production. However, the tree rows in agroforestry systems, particularly in alley cropping systems (ACS), can affect crop productivity on adjacent agricultural fields through various mechanisms. Hence, concerns about declining yields and reduced farm profitability persist and explain the reluctance of farmers to implement ACS on their land. In this review, we examine the available literature on the effects of temperate ACS on yields of various agricultural crops to evaluate if and to what extent crop yields in ACS are affected by tree presence. We identified that ACS crop yields often vary substantially across different species, geographical locations, weather conditions and ACS designs. Our analysis also revealed that several parameters are modified in ACS by the presence of tree rows affecting crop yields positively or negatively and that ACS design aspects play a crucial role in determining crop productivity.

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APA

Majaura, M., Böhm, C., & Freese, D. (2024, April 1). The Influence of Trees on Crop Yields in Temperate Zone Alley Cropping Systems: A Review. Sustainability (Switzerland) . Multidisciplinary Digital Publishing Institute (MDPI). https://doi.org/10.3390/su16083301

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