共 50 条
- [21] A SPATIAL DECISION-SUPPORT SYSTEM FOR ASSESSING AGRICULTURAL NONPOINT-SOURCE POLLUTION WATER RESOURCES BULLETIN, 1994, 30 (03): : 441 - 452
- [27] STATE NONPOINT-SOURCE NUTRIENT REDUCTION PROGRAMS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1994, 208 : 118 - AGRO
- [30] EPA INITIATIVES TO REDUCE NONPOINT-SOURCE POLLUTION ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1994, 208 : 98 - AGRO