TY - DM ED - Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Mexico DF (Mexico) ED - TI - Conservation agriculture course 2008: Laying the ground for sustainable and productive cropping systems PY - 2008/// CY - El Batán, Tex. (México) PB - CIMMYT, KW - Conservation KW - Conservation agricultural systems KW - Cropping systems KW - AGROVOC KW - Mexico KW - Nature conservation and land resources KW - Conservation agriculture KW - Agricultural research ER -