| Total carbon, organic matter, and carbon DW Nelson, LE Sommers Methods of soil analysis. Part 2. Chemical and microbiological properties …, 1982 | 16077* | 1982 |
| Total carbon, organic carbon, and organic matter DW Nelson, LE Sommers Methods of soil analysis: Part 3 Chemical methods 5, 961-1010, 1996 | 10573 | 1996 |
| Phosphorus SR Olsen, LE Sommers Page, ALH Miller and DR Keeney (eds.). Methods of Soil Analysis. Part 2, 403-430, 1982 | 2956* | 1982 |
| Determination of Total Nitrogen in Plant Material1 DW Nelson, LE Sommers Agronomy journal 65 (1), 109-112, 1973 | 1347 | 1973 |
| Chemical composition of sewage sludges and analysis of their potential use as fertilizers LE Sommers Journal of Environmental Quality 6 (2), 225-232, 1977 | 736 | 1977 |
| Total nitrogen analysis of soil and plant tissues DW Nelson, LE Sommers Journal of the Association of Official Analytical Chemists 63 (4), 770-778, 1980 | 610 | 1980 |
| Determination of total phosphorus in soils: a rapid perchloric acid digestion procedure LE Sommers, DW Nelson Soil Science Society of America Journal 36 (6), 902-904, 1972 | 598 | 1972 |
| A rapid and accurate procedure for estimation of organic carbon in soils DW Nelson, LE Sommers Proceedings of the Indiana Academy of Science 84, 456-462, 1974 | 471 | 1974 |
| Evaluation of metals in wastewater sludge RC Stover, LE Sommers, DJ Silviera Journal (Water Pollution Control Federation), 2165-2175, 1976 | 462 | 1976 |
| Interlaboratory comparison of a standardized phosphorus adsorption procedure PS Nair, TJ Logan, AN Sharpley, LE Sommers, MA Tabatabai, TL Yuan Journal of Environmental Quality 13 (4), 591-595, 1984 | 305 | 1984 |
| A simple digestion procedure for estimation of total nitrogen in soils and sediments DW Nelson, LE Sommers Journal of Environmental Quality 1 (4), 423-425, 1972 | 303 | 1972 |
| Distribution and partitioning of trace metals in contaminated soils near Leadville, Colorado DB Levy, KA Barbarick, EG Siemer, LE Sommers Journal of Environmental Quality 21 (2), 185-195, 1992 | 248 | 1992 |
| Variable nature of chemical composition of sewage sludges LE Sommers, DW Nelson, KJ Yost Journal of Environmental Quality 5 (3), 303-306, 1976 | 235 | 1976 |
| Plate-dilution frequency technique for assay of microbial ecology RF Harris, LE Sommers Applied microbiology 16 (2), 330-334, 1968 | 228 | 1968 |
| The effect of water potential on decomposition processes in soils LE Sommers, CM Gilmour, RE Wildung, SM Beck Water potential relations in soil microbiology 9, 97-117, 1981 | 226 | 1981 |
| Estimating algal available phosphorus in suspended sediments by chemical extraction RA Dorich, DW Nelson, LE Sommers Journal of Environmental Quality 14 (3), 400-405, 1985 | 197 | 1985 |
| Mineralization of nitrogen in sewage sludges CF Parker, LE Sommers Journal of Environmental Quality 12 (1), 150-156, 1983 | 197 | 1983 |
| Extractability of copper, zinc, cadmium, and lead in soils incubated with sewage sludge DJ Silviera, LE Sommers Journal of Environmental Quality 6 (1), 47-52, 1977 | 170 | 1977 |
| Degradation of Pyridine by Micrococcus luteus Isolated from Soil GK Sims, LE Sommers, A Konopka Applied and environmental microbiology 51 (5), 963-968, 1986 | 137 | 1986 |
| Effect of pH and redox on predicted heavy metal‐chelate equilibria in soils LE Sommers, WL Lindsay Soil Science Society of America Journal 43 (1), 39-47, 1979 | 129 | 1979 |
Barbarick K*Professor of Soil Science, Colorado State University在 colostate.edu 的电子邮件经过验证
