Machado MR, Camara R, Sampaio P de TB, Pereira MG, Ferraz JBS. <b>Land cover changes affect soil chemical attributes in the Brazilian Amazon. Acta Sci. Agron. [Internet]. 17º de maio de 2017 [citado 10º de maio de 2026];39(3):385-91. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32689

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Stack Trace:

File: /var/www/html/ojs/lib/pkp/classes/session/SessionDAO.inc.php line 109
Function: DAO->update("UPDATE sessions SET user_id = ?, ip_address = ?, ...", Array(9))

File: /var/www/html/ojs/lib/pkp/classes/session/SessionManager.inc.php line 185
Function: SessionDAO->updateObject(Object(Session))

File: (unknown) line (unknown)
Function: SessionManager->write("saafdi788vecrqe6vvig9kp7vc", "")

File: (unknown) line (unknown)
Function: session_write_close()