Background Levels of Heavy Metals in Ohio Farm Soils

Research Circular 275-83

Literature Cited

1. Allaway, W. H. 1968. Agronomic controls over environmental cycling of trace elements Advan. Agron., 20:235-274.
2. Baker, D. E. and L. Chesnin. 1975. Chemical monitoring of soils for environmental quality and animal and human health. Advan. Agron., 27:306-374.
3. Bremner, J. M. 1965. Organic forms of nitrogen. In Methods of Soil Analysis. Part 2. Chemical and Microbiological Properties. C. A. Black, Ed. Amer. Soc. Agron., Pub. No. 9, pp. 1238-1255.
4. Knudsen, D. 1980. Recommended phosphorus tests. In Recommended Chemical Soil Test Procedures for the North Central Region. W. C. Dahnke, Ed. N. Central Reg. Pub. No. 221 (Revised).
5. Lindsay, W. L. and W. A. Norvell. 1978 Development of a DTPA Soil test for zinc, iron, manganese, and copper. Soil Sci. Soc. Amer. J., 42:421-428.
6. Pierce, F. J., R. H. Dowdy, and 1). F. Grigal. 1982. Concentrations of Six trace metals in some major -Minnesota soil series. J. Environ. QUA., Vol. 11, pp. 416-422.