Effect of different agricultural management systems on chemical fertility in cultivated tepetates of the Mexican transvolcanic belt

Autor: Covaleda, Sara, Pajares, Silvia, Gallardo, Juan F., Padilla, Juliana, Báez, Aurelio, Etchevers, Jorge D.
Zdroj: In Agriculture, Ecosystems and Environment 2009 129(4):422-427
Databáze: ScienceDirect