Tree influence on soil and pasture: contribution of proximal sensing to pasture productivity and quality estimation in montado ecosystems - Serrano, João; Shahidian, Shakib; Marques da Silva, J.; Sales-Baptista, E.; Ferraz de Oliveira, I.; Lopes de Castro, J.; Pereira, Alfredo; Cancela de Abreu, M.; Machado, Eliana; Carvalho, Mário (2017)