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Autores
Pereira, Ermelinda
Nunes, Luís
Patrício, Maria Sameiro
Orientador(es)
Resumo(s)
The present study was conducted in an 11 year old trial of mixed plantation located in the Northeast of Portugal. Sampling occurred in the three following treatments: pure black locust (PR), pure wild cherry (PP) and admixture of wild cherry and black locust (MPR). To better understand the effect of the consociation of the N-fixing species (black locust) with broadleaves quality timber production (wild cherry) we assessed the inputs of the litterfall, carbon and nutrients (N, P and K) to the soil. Until now, litterfall production was not significantly different among treatments. The amounts of litterfall ranged from 1.1-1.9 Mg ha-1. The corresponding inputs of carbon ranged from 0.56-0.96 Mg ha-1. The treatments containing black locust cycled higher quantities of N through litterfall than the wild cherry monoculture. The quantities of K returned to the soil through litterfall were greater in the pure black locust plantation than in the other treatments. The amounts of P were similar among treatments.
Descrição
Palavras-chave
Black locust Wild cherry N-fixing species Carbon Mixed plantations
Contexto Educativo
Citação
Pereira, Ermelinda; Nunes, Luís; Patrício, Maria do Sameiro (2011). Carbon and nutrients inputs to the soil in a mixed plantations trial. In Carboforest Conference. Sekocin Stary, Polónia