David A Laird
(Dave)
Soil and Water Quality Research
Soil Scientist
Phone: (515) 294-1581
Fax: (515) 294-8125
Room 350 2110 UNIVERSITY BOULEVARD
NAT SOIL TILTH LAB AMES, IA, 50011-3120
Novak, J.M., Busscher, W.J., Laird, D.A., Ahmedna, M., Watts, D.W., Niandou, M. 2009. Impact of biochar amendment on fertility of a southeastern Coastal Plain soil. Soil Science 174(2):105-112.
Novak, J.M., Busscher, W.J., Watts, D.W., Laird, D.A., Niandou, M., Ahmedna, M. 2008. Influence of pecan-derived biochar on chemical properties of a Norfolk loamy sand soil [abstract]. American Society of Agronomy-Crop Science Society of America-Soil Science Society of America Annual Meeting, November 5-9, Houston, Texas. 2008 CDROM
Christy, C., Laird, D.A. 2007. Test of Regional Calibrations for a NIRS Soil Mapping System [Abstract]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, 2007, New Orleans, LA. 2007 CDROM.
Laird, D.A., Chappell, M., Martens, D.A., Wershaw, R., Thompson, M. 2008. Distinguishing Black Carbon from Biogenic Humic Substances in Soil Clay Fractions. Geoderma. 143:115-122.
Pereira, T.R., Laird, D.A., Thompson, M., Johnston, C.T., Li, H., Teppen, B., Boyd, S. 2008. Role of Smectite Quasicrystal Dynamics in Adsorption of Dinitrophenol. Soil Science Society of America Journal. 72:347-354.
Laird, D.A. 2008. The Charcoal Vision: A Win-Win-Win Scenario for Simultaneously Producing Bioenergy, Permanently Sequestering Carbon, While Improving Soil and Water Quality. Agronomy Journal. 100:178-181.
Teppen, B., Li, H., Laird, D.A., Johnston, C., Boyd, S. 2007. Hydrophobic contributions to the sorption of organics from water to smectites. Program of Abstracts 2006 Annual Meeting of Clay Minerals Society. p. 255.
Cervini-Silva, J., Laird, D.A. 2007. Carbon Stabilization by Clays in the Environment: Process and Characterization Methods. In: Cervini-Silva, J., Laird, D.A., editors. Proceedings of the 2007 Clay Minerals Society Workshop, June 3, 2007, Santa Fe, NM.
Pereira, T.R., Laird, D.A., Johnston, C., Teppen, B., Li, H., Boyd, S. 2007. Mechanism of dinitrophenol herbicide sorption by smectites in aqueous suspensions at varying pH. Soil Science Society of America Journal. 71:1476-1481.
Pils, J., Laird, D.A. 2007. Sorption of tetracycline and chlortetracycliine on K- and CA- saturated soil clays, humic substances, and clay-humic complexes. Environmental Science and Technology. 41(6):1928-1933.
Pils, J., Laird, D.A., Evangelou, V.P. 2006. Role of cation demixing and quasicrystal formation and breakup on the stability of smectitic colloids. Journal of Applied Clay Science. 35:201-211.
Komadel, P., Bujdak, J., Laird, D.A. 2007. Layer Charge of Clay Minerals; Selected papers from the Symposium on Current Knowledge on the Layer Charge of Clay Minerals. Journal of Applied Clay Science. 34(14):1-138.
Pereira, T.R., Laird, D.A., Johnston, C., Teppen, B., Li, H., Boyd, S. 2006. Sorption of dinitrophenol herbicide on K and CA saturated smectites in aqueous suspensions [abstract]. Joint Meeting of the Clay Mineral Society and the French Clay Group Meeting Abstracts. p. 216.
Li, H., Teppen, B., Laird, D.A., Johnston, C., Boyd, S. 2006. Effects of Increasing Potassium Chloride and Calcium Chloride Ionic Strength on Pesticide Sorption by Potassium- and Calcium-smectite. Soil Science Society of America Journal. 70(6):1889-1895.
Laird, D.A. Analysis of Layer Charge, Cation and Anion Exchange Capacities, and Synthesis of Reduced Charge Clays. 2008. In: Ulery, A., Drees, R. editors. Methods of Soil Analysis, Part 5, Mineralogical Methods. Madison, WI. SSSA Book Serv. 5. SSSA. p. 485-508.
Russell, A.R., Laird, D.A., Mallarino, A. 2006. Impact of nitrogen fertilization and cropping system on soil quality in Midwestern mollisols. Soil Science Society of America Journal. 70:249-255.
Laird, D.A., Martens, D.A., Chappell, M., Wershaw, R. 2005. Nature and genesis of soil humic substances [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 6-10, 2005, Salt Lake City, UT.
Pereira, T., Laird, D.A., Johnston, C. 2005. Interaction between 4,6 Dinitro-O-Cresol (D N O C) and K+ and CA2+ Saturated Smectites in Aqueous Suspensions [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 6-10, 2005, Salt Lake City, UT.
Chappell, M., Laird, D.A. 2005. Pyrogenic Carbon-Clay Mineral Associations in Soil Smectites [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 6-10, 2005, Salt Lake City, UT.
Li, H., Teppen, B., Laird, D.A., Johnston, C., Boyd, S. 2005. Pyrogenic Carbon-Clay Mineral Associations in Soil Smectites [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 6-10, 2005, Salt Lake City, UT.
Chappell, M.A., Laird, D.A., Thompson, M.L., Evangelou, V.P. 2005. Co-sorption of atrazine and a lauryl polyoxyethylene oxide nonionic surfactant on smectite. Journal of Agricultural and Food Chemistry. 53(26):10127-10133.
Fernandes D Oliveira, M., Zhu, D., Johnston, C.T., Premachandra, G.S., Teppen, B.J., Li, H., Laird, D.A., Boyd, S.A. 2005. Spectroscopic study of carbaryl sorption on smectite from aqueous suspension. Environmental Science and Technology. 39:9123-9129.
Hunt, A., Logsdon, S.D., Laird, D.A. 2006. Percolation treatment of charge transfer in humidified smectite clays. Soil Science Society of America Journal. 70:14-23.
Gonzalez, J.M., Laird, D.A. 2005. Role of clay minerals on soil organic matter formation and stabilization. In: Abstracts of the EMSI/North Central NOM Workshop, The Ohio State University, Columbus, OH, June 15-17.
Christy, C.D., Laird, D.A., Sudduth, K.A. In-situ NIR spectroscopy to measure carbon and other soil attributes. Greenhouse Gas Emissions and Carbon Sequestration Symposium. Available: http://soilcarboncenter.k-state.edu/conference/Abstract_Pages.htm.
Russell, A.E., Laird, D.A. 2005. Impact of nitrogen fertilization and crop rotations on soil organic carbon sequestration and soil quality. Greenhouse Gas Emissions and Carbon Sequestration Symposium. Available: http://soilcarboncenter.k-state.edu/conference/Abstract_Pages.htm.
Laird, D.A. 2004. Reactions of organic molecules with smectite surfaces in aqueous systems [Abstract]. Acta Mineralogica-Petrographics, Abstract Series 4, University of Szeged, Szeged, Hungary. p.64.
Russell, A.R., Laird, D.A., Parkin, T.B., Mallarino, A. 2005. Impact of nitrogen fertilization and cropping system on carbon sequestration
in mid-western corn belt mollisols. Soil Science Society of America Journal. 69(2):413-422.
Chappell, M.A., Laird, D.A., Thompson, M.L., Evangelou, V.P. 2004. Interactions with the non-ionic surfactant Brij 35 influence sorpation of atrazine on K- and Ca-smectites [abstract]. Program and Abstracts of the Clay Minerals Society. p. 56.
Logsdon, S.D., Laird, D.A. 2004. Electrical conductivity spectra of smectites as influenced by saturating cation and humidity [abstract]. Program and Abstracts of the Clay Minerals Society. p. 127.
Pils, J.R., Laird, D.A. 2004. Adsorption of tetracycline and chlorotetracycline on k- and ca-saturated soil clays and humic substances [abstract]. Program and Abstracts of the 41st Annual Meeting of the Clay Minerals Society. p.57
Logsdon, S.D., Laird, D.A. 2004. Cation and water content effects on dipole rotation activation energies of smectites. Soil Science Society of America Journal. 68:1586-1591.
Gonzalez, J.M., Laird, D.A. 2004. Role of smectites and a1-substituted goethites on the catalytic condensation of arginine and glucose. Clays and Clay Minerals. 52(4):443-450.
Logsdon, S.D., Laird, D.A. 2004. Electrical conductivity spectra of smectites as influenced by saturating cation and humidity. Clays and Clay Minerals. 52:411-420.
JOHNSTON, C., LAIRD, D.A., LI, H., TEPPEN, B.J., BOYD, S. PROBING THE NANOSCALE ARCHITECTURE OF MINERAL SURFACES. AMERICAN GEOPHYSICAL UNION. 2003. V. 84(46), FALL MEETING SUPPL., ABSTRACT NO. B11E-01.
CHRISTY, C., LUND, E., LAIRD, D.A. MAPPING SOIL CARBON WITH ON-THE-GO NEAR INFRARED SPECTROSCOPY. ADVANCES IN TERRESTRIAL ECOSYSTEM CARBON INVENTORY MEASUREMENTS AND MONITOR. 2003. AVAILABLE FROM: http://www.oznet.ksu.edu/ctec/Fall_Forum.htm.
HUI, L., TEPPEN, B., JOHNSTON, C., LAIRD, D.A., BOYD, S. MANIPULATION OF PESTICIDE SORPTION ON SMECTITE CLAY VIA CATION EXCHANGE. 226TH AMERICAN CHEMICAL SOCIETY NATIONAL MEETING. 2003. V. 43(2). P. 1212-1215.
RUSSELL, A.E., LAIRD, D.A., MALLARINO, A.P. LONG-TERM EFFECTS OF NITROGEN FERTILIZATION AND CROP ROTATION ON SOIL PROPERTIES IN CORN-BELT AGROECOSYSTEMS. ECOLOGICAL SOCIETY OF AMERICA ABSTRACTS. 2003. AVAILABLE FROM: http://199.245.200.45/pweb/DOCUMENT/?SOCIETY=esa&YEAR=2003&ID=24978.
CHAPPELL, M.A., LAIRD, D.A., THOMPSON, M.L. EFFECTS OF SAMPLE HANDLING (AIR-DRYING) ON SORPTION OF ATRAZINE BY SOILS AND CLAYS. CLAY MINERALS SOCIETY MEETING. 2003. Abstract p. 41.
GONZALEZ, J.M., LAIRD, D.A. CARBON SEQUESTRATION IN CLAY MINERAL FRACTIONS FROM 14C-LABELED PLANT RESIDUES. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. 2003. V. 67. P. 1715-1720.
LOGSDON, S.D., LAIRD, D.A. RANGES OF BOUND WATER PROPERTIES ASSOCIATED WITH A SMECTITE CLAY. ELECTROMAGNETIC WAVE INTERACTION WITH WATER AND MOIST SUBSTANCES PROCEEDING. 2003. P. 101-108.
LOGSDON, S.D., LAIRD, D.A. RANGES OF BOUND WATER PROPERTIES ASSOCIATED WITH A SMECTITE CLAY. ELECTROMAGNETIC WAVE INTERACTION WITH WATER AND MOIST SUBSTANCES PROCEEDING. 2003. P. 106-108.
LOGSDON, S.D., LAIRD, D.A. PROPERTIES OF BOUND WATER ASSOCIATED WITH SMECTITES. SOIL SCIENCE SOCIETY OF AMERICA ANNUAL MEETING. 2002. CD-ROM. MADISON, WI.
AVILA, M., BARAK, P., POSNER, J.L., LAIRD, D.A. ACCELERATED AGING OF AGRICULTURAL SOILS AND THE COUPLING OF THE NITROGEN AND PROTON CYCLES. AGRONOMY ABSTRACTS. 2002. CD-ROM. MADISON, WI.
WU, J., LAIRD, D.A. ABIOTIC TRANSFORMATION OF CHLORPYRIFOS TO CHLORPYRIFOS OXON IN CHLORINATED WATER. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. 2003. V. 22(2). P. 261-264.