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
- [24] Approaches to the economic analysis of erosion and soil conservation: A review SOIL EROSION RESEARCH FOR THE 21ST CENTURY, PROCEEDINGS, 2001, : 203 - 206