Estimation of the productivity of silvoarable systems established under Juglans regia L. with the Yield-SAFE model
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Galicia (NW Spain) is characterized because two-thirds of its area is classified as forest. In the last years, the forest land has increased gradually in this region which decreases the availability of agricultural land. These factors could favour the establishment of silvoarable systems in Galicia, in which trees are intercropped with annual or perennial crops on the same unit of land. The productivity of silvoarable systems is highly difficult to predict due to the interaction of many biophysical and management factors. One option to determine the productivity, as well as the environmental benefits of the silvoarable systems compared to the traditional agricultural and forest systems, could be the use of models like Yield-SAFE. The Yield-SAFE is a biophysical model to predict the long-term production according to light and water availability in exclusively agricultural and forest systems and also in agroforestry systems. This study aimed to estimate the productivity of silvoarable systems established with maize under Juglans regia L. in Galicia (NW Spain) with the Yield-SAFE model taking into account different scenarios of climate. The results show that the Yield-SAFE model can be used as a management tool to optimise land use productivity under an agroforestry context.
Keyword: Climate change
ID: 3623935