1. Agricultural areas as nonpoiint sources of pollution;Baker,1980
2. Hydrologic effects of conservation tillage and their importance relative to water quality;Baker,1987
3. Nitrate-nitrogen in tile drainage as affected by fertilization;Baker;J. Environ. Qual.,1981
4. Water quality consequences of conservation tillage;Baker;J. Soil Water Conserv.,1983
5. Macropores and water flow in soils;Beven;Water Resour. Res.,1982