Agroforestry hedges either increase or decrease soil organic carbon stocks depending on the use of plastic mulch in Southern Quebec (Canada).
Agroforestry hedges (AFH), including windbreaks and riparian buffers, can mitigate climate change and improve agroecosystem resilience. Many studies report positive effects of AFH on soil organic carbon (SOC) stocks, yet outcomes remain variable. The factors controlling SOC dynamics under AFH, particularly management p...