共 50 条
- [44] CONSERVATION AND PACKING MATERIALS FOR COMPONENTS OF AGRICULTURAL MACHINERY PROTECTION OF METALS, 1985, 21 (01): : 62 - 66
- [45] Development of Tillage Machinery for Conservation Agriculture in Bangladesh AMA-AGRICULTURAL MECHANIZATION IN ASIA AFRICA AND LATIN AMERICA, 2009, 40 (02): : 58 - 64
- [47] Renewable energy vs. biodiversity: Policy conflicts and the future of nature conservation GLOBAL ENVIRONMENTAL CHANGE-HUMAN AND POLICY DIMENSIONS, 2011, 21 (04): : 1195 - 1208
- [49] ESTIMATING THE COSTS OF CONSERVATION COMPLIANCE JOURNAL OF AGRICULTURAL ECONOMICS RESEARCH, 1988, 40 (03): : 12 - 20