共 50 条
- [22] AN ECONOMIC-ANALYSIS OF TARGETING SOIL CONSERVATION METHODS CANADIAN JOURNAL OF AGRICULTURAL ECONOMICS-REVUE CANADIENNE D AGROECONOMIE, 1993, 41 (04): : 506 - 506
- [28] Soil conservation policy in Canada: Adrift or in a state of evolution? SOIL AND WATER CONSERVATION POLICIES AND PROGRAMS: SUCCESSES AND FAILURES, 2000, : 169 - 190
- [30] Soil and water conservation policy within the United States SOIL AND WATER CONSERVATION POLICIES AND PROGRAMS: SUCCESSES AND FAILURES, 2000, : 83 - 94