The AF plots had an average size of 0.5 ha and were established on the most degraded soils within the farms, often presenting sheet erosion due to the historic land use. Among these 37 farms we selected our study sites, following four steps.
The AF plots had an averagesize of 0.5 ha and were established on the most degraded soilswithin the farms, often presenting sheet erosion due to the historicland use. Among these 37 farms we selected our study sites,following four steps.