Main Keys for "elements"
| Title | Author(s) | Publication | Year | Online Access |
|---|---|---|---|---|
| Influence of fertilizer nitrogen source on soil physical and chemical properties | Intrawech, A.; Stone, L.R.; Ellis, R., Jr.; and Whitney, D.A. | Soil Science Society of America, Journal vol. 46, no. 4, pp. 832-836 | 1982 | N/A |
| Nitrate-nitrogen concentrations in ground water from three selected areas in Kansas | Spruill, T.B. | U.S. Geological Survey, Water Resources Investigations no. 82-0011, 35 pages, (NTIS no. PB-82 255 555) | 1982 | N/A |
Found 2 result(s).