共 50 条
- [1] An historical analysis of united states experiences using stamp-based revenues for wildlife conservation and habitat protection Discover Sustainability, 2 (1):
- [2] The Conservation Reserve Program and wildlife habitat in the southeastern United States WILDLIFE SOCIETY BULLETIN, 1997, 25 (04): : 773 - 775
- [5] Tillage soil protection of black soil zone in northeast of China based on analysis of conservation tillage in the United States Nongye Jixie Xuebao/Transactions of the Chinese Society of Agricultural Machinery, 2010, 41 (10): : 28 - 34