Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 54, AP8, ISSN.0525-6240
Monitoring sustainability in agricultural systems : Tobacco culture example
North Carolina State University, Raleigh, NC, USA
Long-term monitoring programs are needed to determine the status and trends in the condition of agricultural systems in order to evaluate the effectiveness of management practices and agricultural policies relative to sustainable agriculture....