Araujo, J.K.S. Ribeiro, M.R. Corręa, M.M. Galindo, I.C. de L. Souza Júnior, V.S. de Humic haplustox under different land uses in a high altitude environment in the agreste region of Pernambuco, Brazil Subjects--Topical Terms: ANÁLISE DO SOLOMICROBIOLOGIA DO SOLO