TY - JOUR T1 - Agroforestry systems, nutrients in litter and microbial activity in soils cultivated with coffee at high altitude JO - Scientia Agricola A1 - Notaro, Krystal de Alcantara A1 - Medeiros, Erika Valente de A1 - Duda, Gustavo Pereira A1 - Silva, Aline Oliveira A1 - Moura, PatrĂ­cia Maia de SN - 0103-9016 UL - 10.1590/S0103-90162014000200001 VL - 71 Y1 - 2014 PB - Brasil ER -