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- [4] AN IMPROVED SOIL-EROSION CLASSIFICATION FOR CONSERVATION POLICY [J]. JOURNAL OF SOIL AND WATER CONSERVATION, 1984, 39 (04): : 261 - 266
- [5] THE ECONOMICS OF SOIL-EROSION AND CONSERVATION ON 6 SOIL GROUPINGS IN MANITOBA [J]. CANADIAN JOURNAL OF AGRICULTURAL ECONOMICS-REVUE CANADIENNE D ECONOMIE RURALE, 1990, 38 (02): : 215 - 231
- [10] CONSERVATION TILLAGE AND SEASON EFFECTS ON SOIL-EROSION RISK [J]. JOURNAL OF SOIL AND WATER CONSERVATION, 1991, 46 (06): : 457 - 460