TY - BK AU - Olson,R.K. TI - Integrating sustainable agriculture, ecology, and environmental policy SN - 1-56022-023-6 U1 - 630.2745 PY - 1992/// CY - Binghamton, NY (USA) PB - Food Products Press, KW - Environmental policies KW - Natural resources KW - Resource conservation KW - Watersheds KW - Food security KW - AGROVOC KW - Farming systems ER -