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|Effect of trees in the soil nutrient concentration and pasture produtivity in Mediterranean silvo-pastoral systems
Marques da Silva, José
|Serrano, J., Shahidian, S., Marques da Silva, J., Sales-Baptista, E., Oliveira, I., Pereira, A., Castro, J., Sobral, P., Santana, J., Carvalho, M. (2016). Effect of trees in the soil nutrient concentration and pasture productivity in Mediterranean silvo-pastoral systems. Comunicação Oral do World Congress Silvo-pastoral Systems, University of Évora, Portugal, 27-30 September 2016.
|Silvo-pastoral are mixed systems of trees and grass, which have been proposed as a means to extend the benefits of forest to farmed land. Agro-forestry systems under semi-arid Mediterranean conditions, called montados in Portugal and dehesas in Spain, cover substantial areas in the world. These silvo-pastoral systems are the most extensive European agro-forestry system, as they cover 3.5–4.0 Mha in Spain and Portugal. Long-term studies are essential to assess the magnitude of the temporal nutrient flow dynamics in terrestrial ecosystems and to understand the response of these systems to fertilizer management. In order to implement the conservation task and recovery of resources through silvo-pastoral systems it is necessary to know and correct potential limiting factors, especially the soil factor, and this requires agronomic knowledge as well as the implmentation of the available new technologies. In this context, this task aims at a better understanding of the contribution of the two components of montado ecosystem (trees and herbaceous vegetation) on the soil nutrient and water dynamics, that allow for the interpretation of the variability of pasture dry matter yield and help the farmer in the management of tree density. Collaterally the task will evaluate and calibrate new technologies that simplify the monitoring of soil, grassland, trees and grazing animals.
|Appears in Collections:
|ERU - Comunicações - Em Congressos Científicos Internacionais
MED - Comunicações - Em Congressos Científicos Internacionais
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