This paper examines the sustainability of conventional and ecological agricultural systems based on their environmental soundness, economic viability and social acceptability. Significant differences were found in crop diversification, soil fertility management. pests and diseases management, and use of agrochemicals. No remarkable variations were found in land-Use pattern, crop yield and stability, financial and economic returns, risk and uncertainties, or food Security. The findings Suggest that ecological agriculture is relatively more sustainable. and it could be an economically and environmentally viable alternative to the conventional agricultural system. Ecological agriculture Could become an alternative if market distortions created by subsidies were removed, and financial benefits were provided to resource-conserving farmers along with necessary Support through extension, credit, research, and marketing. (C) 2003 Elsevier Ltd. All rights reserved.