Business Economics Group;
Department of Social Sciences;
Wageningen University;
Wageningen;
The Netherlands;
Instituto Nacional de Tecnología Agropecuaria (INTA);
Estación Experimental Salta;
Grupo de Estudios Económicos y Sociología Rural;
Cerrillos (Salta);
Argentina;
Soil Quality;
Environmental Sciences Group;
Wageningen University;
Wageningen;
The Netherlands;
Soil; Degradation; Fixed; and; Random; Effects; SOM; Improvement; Benefits; and; Costs; Green; Manure;