College of Agricultural Sciences Personnel Profile
Personnel Photo
Lee E Sommers
Asst to Dean/Spec Officer of C
College of Agricultural Sciences
College of Agricultural Sciences

Shepardson Building, Room 119B
Phone:
970-491-1421
Education:
  • Ph D, U OF WISCONSIN; SOILS
  • MS, U OF WISCONSIN; SOILS
  • BS, WISCONSIN STATE; AG SCI
Website:
http://

Director Emeritus of the Agricultural Experiment Station and Professor Emeritus in the Department of Soil and Crop Sciences. Also served as Associate Dean for Research. Responsibilities emphasized research administration and management of on-campus research units and off-campus research centers. Retired August, 2013.

Lerch, RN, Barbarick, Kenneth A, Sommers, Lee E, Westfall, Dwayne G, (2011) Stward, BA (eds.), Defining Soil Quality for a Sustainable Environment. Madison: Soil Science Society Special Publication, N 35. Dregne, HE, 1986. Desertification of arid lands. In El-Baz, F., and Hassan, MHA (eds.), Physics of Desertification. Dordrecht Encyclopedia of Agrophysics 207

Lindsay, W L, Sommers, Lee E, (1997) "Complexation of metals by synthetic chelating agents" Science Reviews, Henchek & Associates

Nelson, Darrell W, Sommers, Lee E, others, , (1996) "Total carbon, organic carbon, and organic matter" Soil Science Society of America 961–1010

Lerch, RN, Barbarick, Kenneth A, Azari, Parviz, Sommers, Lee E, Westfall, Dwayne G, (1993) Sewage sludge proteins: I. Extraction methodology Journal of environmental quality 22 3 620–624

Levy, DB, Barbarick, Kenneth A, Siemer, EG, Sommers, Lee E, (1992) Distribution and partitioning of trace metals in contaminated soils near Leadville, Colorado Journal of Environmental Quality 21 2 185–195

Lerch, RN, Barbarick, Kenneth A, Sommers, Lee E, Westfall, Dwayne G, (1992) Sewage sludge proteins as labile carbon and nitrogen sources Soil Science Society of America Journal 56 5 1470–1476

Sommers, Lee E, Barbarick, Kenneth A, Levy, D B, (1991) "Behavior of trace metals in mountain meadow soils" Agricultural Experiment Station, Colorado State University LTB91-2 181-194

Sommers, Lee E, (1991) "Impact of sewage sludge on soils and barley: A regional study" Western Regional Research Publication W-124, Agricultural Experiment Station, Colorado State Univ. 112

Barbarick, Kenneth A, Sommers, Lee E, (1991) "Municipal waste as a fertilizer material" Agricultural Experiment Station, Colorado State University LTB91-2 181-194

Boyd, Stephen A, Sommers, Lee E, (1990) Humic and fulvic acid fractions from sewage sludges and sludge-amended soils American Society of Agronomy 203–220

Levy, D B, Barbarick, Kenneth A, Siemer, E G, Sommers, Lee E, (1989) "Heavy metal contamination in soils and plant species of the Arkansas Valley near Leadville, Colorado" Colorado Agric. Expt. Sta. Tech. Rept. TR89-7

Beyrouty, CA, Sommers, Lee E, Nelson, DW, (1988) Ammonia volatilization from surface-applied urea as affected by several phosphoroamide compounds Soil Science Society of America Journal 52 4 1173–1178

Beyrouty, Craig A, NELSON, DARRELL W, Sommers, Lee E, (1988) Effectivenes of Phosphoroamides in Retarding Hydrolysis of Urea Surface-Applied to Soils With Various pH and Residue Cover. Soil Science 145 5 345–352

Croissant, R L, Sommers, Lee E, Holman, K L, (1988) "FERTREC: Soil Test Fertilizer Recommendations" Colorado State University Cooperative Extension XCM9012

Sommers, Lee E, Van Volk, V, Giordano, PM, Sopper, WE, Bastian, R, (1987) "Effects of soil properties on accumulation of trace elements by crops" Lewis Publishers 5-24

Schlegel, AJ, Nelson, DW, Sommers, Lee E, (1987) Use of urease inhibitors and urea fertilizers on winter wheat Fertilizer research 11 2 97–111

Sims, Gerald K, Sommers, Lee E, (1986) Biodegradation of pyridine derivatives in soil suspensions Environmental toxicology and chemistry 5 6 503–509

Mullins, GL, Sommers, Lee E, (1986) Cadmium and zinc influx characteristics by intact corn (Zea mays L.) seedlings Plant and soil 96 2 153–164

Mullins, GL, Sommers, Lee E, (1986) Characterization of cadmium and zinc in four soils treated with sewage sludge Journal of environmental quality 15 4 382–387

Sommers, Lee E, Barbarick, Kenneth A, (1986) "Constraints to land application of sewage sludge" Utilization, Treatment, and Disposal of Waste on Land 193–216

Graveel, John G, Sommers, Lee E, Nelson, Darrell W, (1986) Decomposition of benzidine, $α$-naphthylamine, and p-toluidine in soils Journal of environmental quality 15 1 53–59

Sims, Gerald K, Sommers, Lee E, Konopka, Allan, (1986) Degradation of pyridine by Micrococcus luteus isolated from soil Applied and environmental microbiology 51 5 963–968

Coody, Peter N, Sommers, Lee E, Nelson, Darrell W, (1986) Effects of a glucose-imposed oxygen demand on land treatment systems Journal of environmental quality 15 1 16–20

Schlegel, AJ, Nelson, DW, Sommers, Lee E, (1986) Field evaluation of urease inhibitors for corn production Agronomy Journal 78 6 1007–1012

Coody, Peter N, Sommers, Lee E, Nelson, Darrell W, (1986) Kinetics of glucose uptake by soil microorganisms Soil Biology and Biochemistry 18 3 283–289

Mullins, GL, Sommers, Lee E, Housley, TL, (1986) Metal speciation in xylem and phloem exudates Plant and Soil 96 3 377–391

Konopka, AE, Miller, RH, Sommers, Lee E, (1986) "Microbiology of the sulfur cycle" Am. Soc. Agron. 23–55

Mullins, GL, Sommers, Lee E, Barber, SA, (1986) Modeling the plant uptake of cadmium and zinc from soils treated with sewage sludge Soil Science Society of America Journal 50 5 1245–1250

Beyrouty, Craig A, Nelson, Darrell W, Sommers, Lee E, (1986) Transformations and losses of fertilizer nitrogen on no-till and conventional till soils Fertilizer research 10 2 135–146

Sommers, Lee E, (1986) "Use of sewage sludge in corn production" Purdue Cooperative Extension Service. NCH-27

Sommers, Lee E, (1985) "Chemical Equilibria to Model Volatilization of Ammonia from Aquatic and Soil Systems" Purdue Water Resources Research Center Tech. Rept. No. 175

Sposito, Garrison, Sommers, Lee E, (1985) Chemical models of inorganic pollutants in soils Critical Reviews in Environmental Science and Technology 15 1 1–24

Sims, Gerald K, Sommers, Lee E, (1985) Degradation of pyridine derivatives in soil Journal of environmental quality 14 4 580–584

Dorich, RA, Nelson, DW, Sommers, Lee E, (1985) Estimating algal available phosphorus in suspended sediments by chemical extraction Journal of Environmental Quality 14 3 400–405

Brannon, Christine A, Sommers, Lee E, (1985) Preparation and characterization of model humic polymers containing organic phosphorus Soil Biology and Biochemistry 17 2 213–219

Graveel, John G, Sommers, Lee E, Nelson, Darrell W, (1985) Sites of benzidine, $α$-naphthylamine and p-toluidine retention in soils Environmental toxicology and chemistry 4 5 607–613

Brannon, Christine A, Sommers, Lee E, (1985) Stability and mineralization of organic phosphorus incorporated into model humic polymers Soil Biology and Biochemistry 17 2 221–227

Dorich, RA, Nelson, DW, Sommers, Lee E, (1984) Algal availability of phosphorus in suspended stream sediments of varying particle size Journal of environmental quality 13 1 82–86

Dorich, RA, Nelson, DW, Sommers, Lee E, (1984) Availability of phosphorus to algae from eroded soil fractions Agriculture, ecosystems & environment 11 3 253–264

Sommers, Lee E, Nelson, Darrell W, Kirleis, Allen W, Strachan, SD, Inman, JC, Boyd, SA, Graveel, JG, Behel, AD, others, , (1984) "Characterization of sewage sludge and sewage sludge; soil systems" US EPA

Nelson, Darrell W, Liu, Shyilon L, Sommers, Lee E, (1984) Extractability and plant uptake of trace elements from drilling fluids Journal of environmental quality 13 4 562–566

Nair, PS, Logan, TJ, Sharpley, AN, Sommers, Lee E, Tabatabai, MA, Yuan, TL, (1984) Interlaboratory comparison of a standardized phosphorus adsorption procedure Journal of Environmental Quality 13 4 591–595

Sommers, Lee E, Giordano, Paul M, (1984) "Municipal, industrial and agricultural processing wastes as sources of nitrogen" Am. Soc. Agron. 207–220

Inman, John C, Strachan, Stephen D, Sommers, Lee E, Nelson, Darrell W, (1984) The decomposition of phthalate esters in soil Journal of Environmental Science & Health Part B 19 2 245–257

Kirleis, ALLEN W, Sommers, Lee E, Nelson, DARRELL W, (1984) Yield, heavy metal content, and milling and baking properties of soft red winter wheat grown on soils amended with sewage sludge Cereal Chem 61 6 518–522

Behel, David, Nelson, Darrell W, Sommers, Lee E, (1983) Assessment of heavy metal equilibria in sewage sludge-treated soil Journal of environmental quality 12 2 181–186

Sommers, Lee E, Mullins, G L, (1983) "Chemical speciation of leachates from waste disposal sites" Purdue Water Resources Research Center Tech. Rept. No. 133

Boyd, Stephen A, Sommers, Lee E, Nelson, Darrell W, West, Douglas X, (1983) Copper (II) binding by humic acid extracted from sewage sludge: an electron spin resonance study Soil Science Society of America Journal 47 1 43–46

Olsen, SR, , Sommers, Lee E, (1983) "Inorganic and organic phosphorus" Am. Soc. Agron. 403-430

Parker, Chris F, Sommers, Lee E, (1983) Mineralization of nitrogen in sewage sludges Journal of Environmental Quality 12 1 150–156

Strachan, SD, Nelson, DW, Sommers, Lee E, (1983) Sewage sludge components extractable with nonaqueous solvents Journal of Environmental Quality 12 1 69–74

Nelson, DW, Sommers, Lee E, (1983) "Total carbon, organic carbon, and organic matter" Am. Soc. Agron. 539–579

Page, Albert Lee, Gleason, TL, Smith, JE, Iskandar, IK, Sommers, Lee E, others, , (1983) "Utilization of municipal wastewater and sludge on land" University of California Press, Riverside 480

Boyd, Stephen A, Sommers, Lee E, Nelson, Darrell W, (1981) Copper (II) and iron (III) complexation by the carboxylate group of humic acid Soil Science Society of America Journal 45 6 1241–1242

Nelson, D W, Sommers, Lee E, (1981) "Land application of rolling mill sludge" Univ of Wisc Extension 616-629

Sommers, Lee E, Nelson, DW, (1981) "Monitoring the response of soils and crops to sludge applications." Ann Arbor Sci. Publishers 217-239

Sommers, Lee E, (1981) "Nitrogen as a determining factor in the land application of sewage sludge" Univ of Wisc Extension 425-448

Terry, RE, Nelson, DW, Sommers, Lee E, (1981) Nitrogen Transformations in Sewage Sludge—Amended Soils as Affected by Soil Environmental Factors Soil Science Society of America Journal 45 3 506–513

Sommers, Lee E, Gilmour, CM, Wildung, RE, Beck, SM, (1981) "The effect of water potential on decomposition processes in soils" Soil Sci. Soc. Amer. Spec. Public. No. 9 9 97–117

Boyd, Stephen A, Sommers, Lee E, Nelson, Darrell W, West, Douglas X, (1981) The Mechanism of Copper (II) Binding by Humic Acid: An Electron Spin Resonance Study of a Copper (II)—Humic Acid Complex and Some Adducts with Nitrogen Donors Soil Science Society of America Journal 45 4 745–749

Sommers, Lee E, Parker, CF, Meyers, GJ, (1981) "Volatilization, plant uptake and mineralization of nitrogen in soils treated with sewage sludge" Purdue Water Resources Research Center. Tech. Rept. No. 133

Dorich, RA, Nelson, DW, Sommers, Lee E, (1980) Algal availability of sediment phosphorus in drainage water of the Black Creek watershed Journal of Environmental Quality 9 4 557–563

Boyd, Stephen A, Sommers, Lee E, Nelson, Darrell W, (1980) Changes in the humic acid fraction of soil resulting from sludge application Soil Science Society of America Journal 44 6 1179–1186

Nelson, D W, Sommers, Lee E, (1980) Total nitrogen analysis of soil and plant tissues Journal of the Association of Official Analytical Chemists (USA)

Sommers, Lee E, (1980) "Toxic metals in agricultural crops" Ann Arbor Science Publishers 105-140

Sommers, Lee E, Nelson, D W, Spies, C D, (1980) "Use of sewage sludge in crop production" Purdue Univ Cooperative Extension AY-240

Sommers, Lee E, Sutton, AL, others, , (1980) "Use of waste materials as sources of phosphorus" Am. Soc. Agron. 515–544

Terry, RE, Nelson, DW, Sommers, Lee E, (1979) Carbon cycling during sewage sludge decomposition in soils Soil Science Society of America Journal 43 3 494–499

Terry, RE, Nelson, DW, Sommers, Lee E, (1979) Decomposition of anaerobically digested sewage sludge as affected by soil environmental conditions Journal of Environmental Quality 8 3 342–347

Sommers, Lee E, Lindsay, WL, (1979) Effect of pH and redox on predicted heavy metal-chelate equilibria in soils Soil Science Society of America Journal 43 1 39–47

Boyd, SA, Sommers, Lee E, Nelson, DW, (1979) Infrared spectra of sewage sludge fractions: Evidence for an amide metal binding site Soil Science Society of America Journal 43 5 893–899

Nelson, DW, Monke, EJ, Bottcher, AD, Sommers, Lee E, (1979) "Sediment and nutrient contributions to the Maumee River from an agricultural watershed" Ann Arbor Science Publishers 491-505

Sommers, Lee E, Nelson, DW, Owens, LB, (1979) Status of Inorganic Phosphorus in Soils Irrigated with Municipal Wastewater Soil Science 127 6 340–350

Sommers, Lee E, Nelson, DW, Silviera, DJ, (1979) Transformations of carbon, nitrogen, and metals in soils treated with waste materials Journal of Environmental Quality 8 3 287–294

Sommers, Lee E, (1979) "Utilization of antibiotic production wastes in crop production" Univ of Wisc Extension 533-548

Sommers, Lee E, Nelson, DW, (1978) "A model for application of sewage sludge on cropland" University of Wisconsin Extension 307–326

Terry, RE, Nelson, DW, Sommers, Lee E, Meyer, GJ, (1978) Ammonia volatilization from wastewater sludge applied to soils Journal (Water Pollution Control Federation) 2657–2665

Sommers, Lee E, (1977) Chemical composition of sewage sludges and analysis of their potential use as fertilizers Journal of Environmental Quality 6 2 225–232

Nelson, DW, Sommers, Lee E, Huber, DM, Warren, HL, Locheretz, William, (1977) "Conserving energy with nitrification inhibitors" Academic Press New York 161–176

Owens, LB, Nelson, DW, Sommers, Lee E, (1977) Determination of inorganic phosphorus in oxalate extracts of soils Soil Science Society of America Journal 41 1 148–149

Sommers, Lee E, Curtis, EH, (1977) Effect of wet air oxidation on the chemical composition of sewage sludge Journal (Water Pollution Control Federation) 2219–2225

Silviera, DJ, Sommers, Lee E, (1977) Extractability of copper, zinc, cadmium, and lead in soils incubated with sewage sludge Journal of Environmental Quality 6 1 47–52

Sommers, Lee E, Tabatabai, MA, Nelson, DW, (1977) Forms of sulfur in sewage sludge Journal of environmental quality 6 1 42–46

Sommers, Lee E, Nelson, DW, Owens, LB, Floyd, M, (1977) "Phosphorus dynamics in soils irrigated with municipal wastewater" Purdue Water Resources Research Center Tech. Rept. No. 99

Sommers, Lee E, Nelson, DW, (1976) "Analysis and their interpretation for sludge application to agricultural land" North Central Regional Research Publication (USA) 235 3.1-3.7

Sommers, Lee E, Curtis, EH, (1976) "Effect Of Wet-Air Oxidation On The Chemical Composition Of Sewage Sludges" Purdue Water Resources Research Center Tech. Rept. No. 78

Stover, RC, Sommers, Lee E, Silviera, DJ, (1976) Evaluation of metals in wastewater sludge Journal Water Pollution Control Federation 2165–2175

Sommers, Lee E, Nelson, DW, Yost, KJ, (1976) Variable nature of chemical composition of sewage sludges Journal of Environmental Quality 5 3 303–306

Floyd, M, Sommers, Lee E, (1975) Determination of total mercury in soils and sediments Journal of Environmental Quality 4 3 323–325

Nelson, DW, Sommers, Lee E, (1975) Determination of total nitrogen in natural waters Journal of Environmental Quality 4 4 465–468

Sommers, Lee E, (1975) "Disposal of sewage sludge on cropland" Purdue Univ Cooperative Extension AY 202

Sommers, Lee E, Nelson, DW, Kaminsky, DBJr, (1975) "Nutrient Contributions to the Maumee River" U.S. Environmental Protection Agency EPA-905/9-75/007 105-119

Nelson, Darrell W, Sommers, Lee E, (1974) A rapid and accurate procedure for estimation of organic carbon in soils Proceedings of the Indiana Academy of Science 84 456–462

Sommers, Lee E, Floyd, M, (1974) "Microbial transformations of mercury in aquatic environments" Purdue Water Resources Research Center Tech. Rept. No. 54

Nelson, DW, Sommers, Lee E, (1973) Determination of total nitrogen in plant material Agronomy Journal 65 1 109–112

Nelson, DW, Sommers, Lee E, (1972) A simple digestion procedure for estimation of total nitrogen in soils and sediments Journal of Environmental Quality 1 4 423–425

Sommers, Lee E, Nelson, DW, Yahner, JE, Mannering, JV, (1972) Chemical composition of sewage sludge from selected Indiana cities Proceedings of the Indiana Academy of Science 82 424–432

Sommers, Lee E, Nelson, DW, (1972) Determination of total phosphorus in soils: a rapid perchloric acid digestion procedure Soil Science Society of America Journal 36 6 902–904

Sommers, Lee E, Harris, RF, Williams, JDH, Armstrong, DE, Syers, JK, (1972) Fractionation of organic phosphorus in lake sediments Soil Sci Soc Amer J 36 1 51–54

Harris, RF, Gardner, WR, Adebayo, AA, Sommers, Lee E, (1970) Agar dish isopiestic equilibration method for controlling the water potential of solid substrates Applied microbiology 19 3 536–537

Sommers, Lee E, Harris, RF, Williams, JDH, Armstrong, DE, Syers, JK, (1970) Determination of Total Organic Phosphorus in Lake Sediments Limnology and Oceanography 15 2 301–303

Sommers, Lee E, Harris, RF, Dalton, FN, Gardner, WR, others, , (1970) Water potential relations of three root-infecting Phytophthora species Phytopathology 60 6 932–934

Harris, RF, Sommers, Lee E, (1968) Plate-dilution frequency technique for assay of microbial ecology Applied microbiology 16 2 330–334

Sommers, Lee E, Harris, RF, (1968) Routine preparation of silica gel media using silicate solutions of varying pH. Journal of bacteriology 95 3 1174