Projects

MANAGING AGRICULTURAL WATER QUALITY IN FIELDS AND WATERSHEDS: NEW PRACTICES AND TECHNOLOGIES Appropriated (D)   Accession Number: 422830

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Go native: blue gamma-buffalo grass and compost benefits urban soil - (Proceedings)

Sauer, P., Logsdon, S.D. 2013. Go native: blue gamma-buffalo grass and compost benefits urban soil. International Erosion Control Association Proceedings. Available: http://ieca.crhosts.com/file.php/183/Sauer.pdf.

Closed depression topography and Harps soil, revisited - (Abstract Only)

Logsdon, S.D., James, D.E. 2012. Closed depression topography and Harps soil, revisited. ASA-CSSA-SSSA Annual Meeting Abstracts. Available: http://scisoc.confex.com/scisoc/2012am/webprogram/Paper70753.html.

Go native: blue gamma-buffalo grass and compost benefits urban soil - (Abstract Only) - (17-Jul-12)

Depth dependence of chisel plow tillage erosion - (Peer Reviewed Journal)

Logsdon, S.D. 2012. Depth dependence of chisel plow tillage erosion. Soil & Tillage Research. 128:119-124.

Estimating soil solution nitrate concentration from dielectric spectra using PLS analysis - (Peer Reviewed Journal)

Chigladze, G., Birrell, S., Kaleita, A., Logsdon, S.D. 2012. Estimating soil solution nitrate concentration from dielectric spectra using PLS analysis. Soil Science Society of America Journal. 76:1536-1547.

Short, multi-needle FDR sensor suitable for measuring soil water content - (Peer Reviewed Journal)

Zu, J., Ma, X., Logsdon, S.D., Horton, R. 2012. Short, multi-needle FDR sensor suitable for measuring soil water content. Soil Science Society of America Journal. 76:1929-1937.

Quantifying and modeling soil structure dynamics - (Book / Chapter)

Logsdon, S.D., Horn, R., Berli, M. 2013. Quantifying and modeling soil structure dynamics. In: Logsdon, S.D., Berli, M., and Horn, R., editors. Advances in agricultural systems modeling 3. Madison, WI: Soil Science Society of America. p. 19.

Temporal variability of soil water and bulk density at selected field sites - (Peer Reviewed Journal)

Logsdon, S.D. 2012. Temporal variability of soil water and bulk density at selected field sites. Soil Science. 177(5):327-331.

Comparisons of evening and morning SMOS passes over the Midwest United States - (Peer Reviewed Journal)

Rowlandson, T., Hornbuckle, B., Brammer, L., Patton, J., Logsdon, S.D. 2012. Comparisons of evening and morning SMOS passes over the Midwest United States. IEEE Transactions on Geoscience and Remote Sensing. 50:1544-1555.

Blue gamma grass and compost effects on urban soil - (Abstract Only)

Logsdon, S.D., Sauer, P. 2011. Blue gamma grass and compost effects on urban soil. American Society of Agronomy Annual Meetings [abstracts]. ASA-CSSA-SSSA Annual Meeting. Oct. 16-19, 2011, San Antonio, TX. CD-ROM.

Incremental soil sampling root water uptake, or be great through others - (Abstract Only)

Logsdon, S.D. 2010. Incremental Soil Sampling Root Water Uptake, or Be Great Through Others. American Society of Agronomy Annual Meetings [abstracts]. ASA-CSSA-SSSA Annual Meeting, Oct. 31 - Nov. 4, 2010, Long Beach, CA. CDROM.

Exploration of options for publishing databases and supplemental material in society journals - (Abstract Only)

Dick, W.A., Logsdon, S.D., Brummer, C.E. 2010. Exploration of options for publishing databases and supplemental material in society journals. American Society of Agronomy Annual Meetings [abstracts]. ASA-CSSA-SSSA Annual Meeting, Oct. 31 - Nov. 4, 2010, Long Beach, CA. CDROM.

Comparison of electrical and thermal conductivities for soils from five states - (Peer Reviewed Journal)

Logsdon, S.D., Green, T.R., Bonta, J.V., Seyfried, M.S., Evett, S.R. 2010. Comparison of electrical and thermal conductivities for soils from five states. Soil Science. 175(6):573-578.

Effect of corn or soybean row position on soil water - (Peer Reviewed Journal)

Logsdon, S.D., Sauer, T.J., Hernandez-Ramirez, G., Hatfield, J.L., Kaleita, A., Prueger, J.H. 2010. Effect of corn or soybean row position on soil water. Soil Science. 175(11):530-534.

Root effects on soil properties and processes: Synthesis and future research needs - (Book / Chapter)

Logsdon, S.D. 2013. Root effects on soil properties and processes: Synthesis and future research needs. In: Timlin, D. and Ahuja, L., editors. Enhancing understanding and quantification of soil-root growth interactions. Madison, WI: Soil Science Society of America. p. 173-196.

How Does Dew Affect L-band Backscatter? Analysis of PALS Data at the Iowa Validation Site and Implications for SMAP - (Proceedings)

Hornbuckle, B.K., Rowlandson, T.L., Russell, E., Kaleita, A.L., Logsdon, S.D., Kruger, A., Yueh, S., De Roo, R.D. 2010. How Does Dew Affect L-band Backscatter? Analysis of PALS Data at the Iowa Validation Site and Implications for SMAP. In: Proceedings of the 2010 IEEE International Geoscience and Remote Sensing Symposium, July 25-30, 2010, Honolulu, HI. p. 4835-4838.

Fundamentals of soil science - (Other)

Logsdon, S.D. 2010. Study Guide for the Soil Science Fundamentals Examination. In: Soil Science Study Guide: Fundamentals Special Publication Book Chapter. p. 6-196.

Influence of Landscape Position on Soil Water Flux in a Cropped Field - (Abstract Only)

Logsdon, S.D., Niemeier, J., Kruger, A. 2009. Influence of Landscape Position on Soil Water Flux in a Cropped Field. American Geophysical Union [abstract]. Dec. 14-18, 2009, San Francisco, CA. CD-ROM.

Uncertainty in SMAP Soil Moisture Measurements Caused by Dew - (Abstract Only)

Hornbuckle, B.K., Kruger, A., Rowlandson, T.L., Logsdon, S.D., Kaleita, A., Yueh, S.H. 2009. Uncertainty in SMAP Soil Moisture Measurements Caused by Dew [abstract]. American Geophysical Union. Dec. 14-18, 2009, San Francisco, CA. CD-ROM.

Field estimation of specific yield in a Central Iowa crop field - (Peer Reviewed Journal)

Logsdon, S.D., Schilling, K.E., Hernandez Ramirez, G., Prueger, J.H., Hatfield, J.L., Sauer, T.J. 2010. Field estimation of specific yield in a Central Iowa crop field. Hydrological Processes. 24(10):1369-1377.

Root Effects on Soil Properties and Processes: Synthesis and Future Research Needs - (Abstract Only)

Logsdon, S.D. 2009. Root Effects on Soil Properties and Processes: Synthesis and Future Research Needs [abstracts]. ASA-CSSA-SSSA Annual Meeting. Nov. 1-5, 2009, Pittsburgh, PA. CD-ROM.

Field Use of Soil Moisture Sensors to Study Water Flow Patterns - (Abstract Only)

Logsdon, S.D. 2009. Field Use of Soil Moisture Sensors to Study Water Flow Patterns [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 1-5, 2009, Pittsburgh, PA. CD-ROM.

Hydra Probe and Twelve-wire Probe Comparisons in Fluids and Soil Cores - (Peer Reviewed Journal)

Logsdon, S.D., Green, T.R., Seyfried, M.S., Evett, S.R., Bonta, J.V. 2010. Hydra Probe and Twelve-wire Probe Comparisons in Fluids and Soil Cores. Soil Science Society of America Journal. 74:5-12.

Prediction of Hydraulic Conductivity as Related to Pore Size Distribution in Unsaturated Soils - (Peer Reviewed Journal)

Amer, A.M., Logsdon, S.D., Davis, D. 2009. Prediction of Hydraulic Conductivity as Related to Pore Size Distribution in Unsaturated Soils. Soil Science. 174(9):508-515.

Soil water and shallow groundwater relations in an agricultural hillslope - (Peer Reviewed Journal)

Logsdon, S.D., Schilling, K.E., Hernandez Ramirez, G., Hatfield, J.L., Sauer, T.J., Prueger, J.H. 2009. Soil Water and Shallow Groundwater Relations in an Agricultural Hillslope. Soil Science Society of America Journal. 73(5):1461-1468.

Book review of "Biophysical Chemistry of Fractal Structures and Processes in Environmental Systems" - (Other)

Logsdon, S.D. 2009. Book review of "Biophysical Chemistry of Fractal Structures and Processes in Environmental Systems". Journal of Environmental Quality. 38(2):836.

Water balance approach to determine upward water movement - (Abstract Only)

Logsdon, S.D., Schilling, K.E., Prueger, J.H., Sauer, T.J., Hatfield, J.L. 2008. Water balance approach to determine upward water movement [CD-ROM]. In: ASA-CSSA-SSSA Meeting Abstracts, Oct. 5-9, 2008, Houston, TX.

The Iowa Validation Site - (Abstract Only) - (03-Jul-08)

Water content reflectometer calibration, field versus laboratory - (Peer Reviewed Journal)

Logsdon, S.D. 2009. Water content reflectometer calibration, field versus laboratory. Soil Science Society of America Journal. 73(1):1-6.

Activation energies and temperature effects from electrical spectra of soil - (Peer Reviewed Journal)

Logsdon, S.D. 2008. Activation energies and temperature effects from electrical spectra of soil. Soil Science. 173:359-367.

Book review of "Encyclopedia of soil science" - (Other)

Logsdon, S.D. Book review of "Encyclopedia of soil science". In: Cheswith, W., editor. Soil Science Society of America Journal. 72:862.

Soybean Growth and Seed Yield Response to Tillage and Compost - (Peer Reviewed Journal)

Singer, J.W., Logsdon, S.D., Meek, D.W. 2008. Soybean Growth and Seed Yield Response to Tillage and Compost. Agronomy Journal. 100:1039-1046.

Soil Water and Shallow Groundwater Relations in an Agricultural Hillslope - (Abstract Only)

Logsdon, S.D., Schilling, K.E. 2007. Soil Water and Shallow Groundwater Relations in an Agricultural Hillslope. American Geophysical Union (AGU) Annual Meeting abstracts. Available: http://www.agu.org/meetings/fm07/waisfm07.html.

Multiscale mapping: Physical concepts and mathematical techniques - (Other)

Logsdon, S.D., Perfect, E., Tarquis, A.M. 2008. Multiscale mapping: Physical concepts and mathematical techniques. Vadose Zone Journal. 7:453-455.

Water content reflectometer calibration and field use - (Abstract Only)

Logsdon, S.D. 2007. Water content reflectometer calibration and field use [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, New Orleans, LA.

A New Long-Term Experiment Site for the Validation and Scaling of Soil Moisture Observations - (Abstract Only)

Hornbuckle, B., Krajewski, W.D., Kaleita, A.L., Kruger, A., Eichinger, W., Logsdon, S.D., Sauer, T.J. 2007. A new long-term experiment site for the validation and scaling of soil moisture observations [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, 2007, New Orleans, LA.

A new long-term experimental site for validation and scaling of soil moisture observations - (Abstract Only)

Hornbuckle, B., Krajewski, W., Kaleita, A., Kruger, A., Eichinger, W., Logsdon, S.D., Sauer, T.J. 2007. A new long-term experimental site for validation and scaling of soil moisture observations [CD-ROM]. IEEE, New York, NY.

Bulk Density and Soil Moisture Sensors - (Book / Chapter)

Logsdon, S.D., Mbuya, O.S., Tsegaye, T. 2008. Bulk Density and Soil Moisture Sensors. In: Soil Science: Step-by-Step Field Methods. Madison, WI: Soil Science Society of America. p. 211-220.

Preface, Soil Science: A step-by-step analysis - (Other)

Logsdon, S.D., Clay, D.E., Moore, D., Tsegaye, T. 2008. Preface, Soil Science: A step-by-step analysis. Soil Science Society of America, Madison, WI. p. iv.

Electrical spectra of undisturbed soil from a crop rotation study - (Peer Reviewed Journal)

Logsdon, S.D. 2008. Electrical spectra of undisturbed soil from a crop rotation study. Soil Science Society of America Journal. 72:11-15.

Groundwater nitrate following installation of a vegetated riparian buffer - (Peer Reviewed Journal)

Yamada, T., Logsdon, S.D., Tomer, M.D., Burkart, M.R. 2007. Groundwater nitrate following installation of a vegetated riparian buffer. Science of the Total Environment. 385(1-3):297-309.

Use of Soil Moisture Sensors in Problem Soils - (Abstract Only)

Logsdon, S.D. 2007. Use of Soil Moisture Sensors in Problem Soils [abstract]. Logsdon, S.D. 2007. Activation energies and temperature effects from electrical spectra of soil [abstract]. Conference Proceeding Hawaii Soil Moisture Sensing Technology Conference: Current and Future Research Directions in Soil Mosture Sensing. p. 22.

Activation energies and temperature effects from electrical spectra of soil - (Abstract Only)

Logsdon, S.D. 2007. Activation energies and temperature effects from electrical spectra of soil [abstract]. Conference Proceeding Hawaii Soil Moisture Sensing Technology Conference: Current and Future Research Directions in Soil Mosture Sensing. p. 11.

SUBSURFACE LATERAL TRANSPORT IN GLACIAL TILL SOILS - (Peer Reviewed Journal)

Logsdon, S.D. 2007. Subsurface lateral transport in glacial till soils. Transactions of the ASABE. 50:875-883.

SOIL MOISTURE PROBES FOR A DISPERSIVE SOIL - (Proceedings)

Logsdon, S.D., Hornbuckle, B.K. 2006. Soil moisture probes for a dispersive soil [CD-ROM]. International Symposium and Workshop on Time Domain Reflectometry for Innovative Soils Applications. Purdue University. West Lafayette, IN.

TILLAGE AND COMPOST EFFECTS ON CORN GROWTH, NUTRIENT ACCUMULATION, AND GRAIN YIELD - (Peer Reviewed Journal)

Singer, J.W., Logsdon, S.D., Meek, D.W. 2007. Tillage and compost effects on corn growth, nutrient accumulation, and grain yield. Agronomy Journal. 99(1):80-87.

UNCERTAINTY EFFECTS ON ELECTRICAL CONDUCTIVITY AND PERMITTIVITY SPECTRA - (Peer Reviewed Journal)

Logsdon, S.D. 2006. Uncertainty effects on electrical conductivity and permittivity spectra. Soil Science. 171:737-746.

SOIL HYDRAULIC AND ELECTRICAL PROPERTIES FOR DIFFERENT SOILS, SLOPES, AND CROP ROTATIONS - (Abstract Only)

Logsdon, S.D. 2006. Soil hydraulic and electrical properties for different soils, slopes, and crop rotations [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 12-16, 2006, Indianapolis, IN.

SOIL AGGREGATE AND UNCERTAINTY EFFECTS ON ELECTRICAL CONDUCTIVITY SPECTRA - (Abstract Only)

Logsdon, S.D. 2005. Soil aggregate and uncertainty effects on electrical conductivity spectra [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 6-10, 2005, Salt Lake City, UT.

THE INFLUENCE OF A RIPARIAN BUFFER ON INFILTRATION, SOIL EROSION, AND SOIL MOISTURE - (Abstract Only)

Davis, D., Logsdon, S.D., Simmons, G.T. 2005. The influence of a riparian buffer on infiltration, soil erosion, and soil moisture [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 6-10, 2005, Salt Lake City, UT.

TIME DOMAIN REFLECTOMETRY RANGE OF ACCURACY FOR HIGH SURFACE AREA SOILS - (Peer Reviewed Journal)

Logsdon, S.D. 2005. Time domain reflectometry range of accuracy for high surface area soils. Soil Science Society of America Journal. 4(4):1011-1019.

BOOK REVIEW OF "SCIENTIFIC INTEGRITY, THIRD ED.: TEXT AND CASES IN RESPONSIBLE CONDUCT OF RESEARCH" - (Review Article)

Logsdon, S.D. 2005. Book review of "Scientific Integrity, Third Ed.: Text and Cases in Responsible Conduct of Research". Soil Science Society of America Journal. 69:2076.

VARIATION IN INFILTRATION WITH LANDSCAPE POSITION: IMPLICATIONS FOR FOREST PRODUCTIVITY AND SURFACE WATER QUALITY - (Peer Reviewed Journal)

Sauer, T.J., Logsdon, S.D., Brahana, J.V., Murdoch, J.F. 2005. Variation in infiltration with landscape position: Implications for forest productivity and surface water quality. Forest Ecology and Management. 220:118-127.

PLANT AVAILABLE WATER MODIFIED BY LANDSCAPE - (Abstract Only)

Logsdon, S.D. 2006. Plant available water modified by landscape [CD-ROM]. World Congress of Soil Science 2006 Abstracts. IUSS. Madison, WI.

PERCOLATION TREATMENT OF CHARGE TRANSFER IN HUMIDIFIED SMECTITE CLAYS - (Peer Reviewed Journal)

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.

FIELD CALIBRATION OF THE THETA PROBE FOR DES MOINES LOBE SOILS - (Peer Reviewed Journal)

Kaleita, A.L., Heitman, J.L., Logsdon, S.D. 2005. Field Calibration of the Theta Probe for Des Moines Lobe Soils. Applied Engineering in Agriculture. 21(5):865-870.

EVALUATION OF A CAPACITANCE PROBE FREQUENCY RESPONSE MODEL ACCOUNTING FOR BULK ELECTRICAL CONDUCTIVITY: COMPARISON WITH TDR AND NETWORK ANALYZER MEASUREMENTS - (Peer Reviewed Journal)

Robinson, D.A., Kelleners, T.J., Cooper, J.D., Gardner, C.M., Wilson, P., Lebron, I., Logsdon, S.D. 2005. Evaluation of a capacitance probe frequency response model accounting for bulk electrical conductivity: comparison with TDR and network analyzer measurements. Vadose Zone Journal. 4(4):992-1003.

SOIL DIELECTRIC SPECTRA FROM VECTOR NETWORK ANALYZER DATA - (Peer Reviewed Journal)

Logsdon, S.D. 2005. Soil dielectric spectra from vector network analyzer data. Soil Science Society of America Journal. 69(5)983-989.

EVALUATING THE IMPACT OF VARIABLE ROOT ZONE DEPTH ON THE HYDRAULIC PROPERTIES OF SAND-BASED TURF SYSTEMS - (Peer Reviewed Journal)

Li, D., Minner, D.D., Christians, N.E., Logsdon, S.D. 2005. Evaluating the impact of variable root zone depth on the hydraulic properties of sand-based turf systems. International Turfgrass Science Journal. 10:1100-1107.

LIMITATIONS OF THE CHEMICAL POTENTIAL - (Peer Reviewed Journal)

Corey, A.L., Logsdon, S.D. 2005. Limitations of the chemical potential. Soil Science Society of America Journal. 69(5):976-982.

TIME DOMAIN REFLECTOMETRY FOR HIGH SURFACE AREA SOILS - (Peer Reviewed Journal)

Logsdon, S.D. 2005. Time domain reflectometry for high surface area soils. Vadose Zone Journal. 4:1011-1019.

TIME DOMAIN REFLECTOMETRY RANGE OF ACCURACY FOR HIGH SURFACE AREA SOILS - (Abstract Only)

Logsdon, S.D. 2004. Time domain reflectometry range of accuracy for high surface area soils [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. Madison, Wisconsin.

ELECTRICAL CONDUCTIVITY SPECTRA OF SMECTITES AS INFLUENCED BY SATURATING CATION AND HUMIDITY - (Abstract Only)

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.

COMPLEX DIELECTRIC SPECTRA OF SOIL AS INFLUENCED BY HYDROPHOBICITY - (Abstract Only)

Logsdon, S.D. 2004. Complex dielectric spectra of soil as influenced by hydrophobicity [abstract]. Pacific Division American Association for the Advancement of Science. 23(1):61.

ROLE OF MACROPORES IN PESTICIDE TRANSPORT TO GROUNDWATER - (Proceedings)

Malone, R.W., Shipitalo, M.J., Ma, L., Ahuja, L.R., Rojas, K.W., Logsdon, S.D., Weatherington-Rice, J. 2004. Role of macropores in pesticide transport to groundwater. International Workshop on Applications, Enhancements, and Collaborations of ARS RZWQM and GPFARM Models. p. 39-40.

CATION AND WATER CONTENT EFFECTS ON DIPOLE ROTATION ACTIVATION ENERGIES OF SMECTITES - (Peer Reviewed Journal)

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.

ELECTRICAL CONDUCTIVITY SPECTRA OF SMECTITES AS INFLUENCED BY SATURATING CATION AND HUMIDITY - (Peer Reviewed Journal)

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.

BOUND WATER IN SOILS - (Literature Review)

Logsdon, S.D. 2004. Bound water in soils. Encyclopedia of Water Science. 1-4. Available: http://www.dekker.com. Product DOI/101081EEWS120025826.

COMPLEX DIELECTRIC SPECTRA OF SOIL AS INFLUENCED BY HYDROPHOBICITY - (Abstract Only)

LOGSDON, S.D., SIMMONS, G.T. COMPLEX DIELECTRIC SPECTRA OF SOIL AS INFLUENCED BY HYDROPHOBICITY. SOIL SCIENCE SOCIETY OF AMERICA ANNUAL MEETING. 2003. CD-ROM. MADISON, WI.

VARIATION OF INFILTRATION WITH LANDSCAPE POSITION IN AN OZARK WATERSHED: IMPLICATIONS FOR WATERSHED MANAGEMENT - (Abstract Only)

Sauer, T.J., Logsdon, S.D. 2003. Variation of Infiltration With Landscape Position in an Ozark Watershed: Implications for Watershed Management [abstract]. North America Forest Soils Conference. p. 14.

WITHIN SAMPLE VARIATION OF OXYGEN DIFFUSION RATE (ODR) - (Peer Reviewed Journal)

LOGSDON, S.D. WITHIN SAMPLE VARIATION OF OXYGEN DIFFUSION RATE (ODR). SOIL SCIENCE. 2003. V. 168. P. 531-539.

RANGES OF BOUND WATER PROPERTIES ASSOCIATED WITH A SMECTITE CLAY - (Proceedings)

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.

RANGES OF BOUND WATER PROPERTIES ASSOCIATED WITH A SMECTITE CLAY - (Abstract Only)

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.

TILLAGE EFFECT ON MACROPOROSITY AND HERBICIDE TRANSPORT IN PERCOLATE - (Peer Reviewed Journal)

MALONE, R.W., LOGSDON, S.D., SHIPITALO, M.J., WEATERINGTON-RICE, J., AHUJA, L.R., MA, L. TILLAGE EFFECT ON MACROPOROSITY AND HERBICIDE TRANSPORT IN PERCOLATE. GEODERMA. 2003. v. 116. p. 191-215.

PROPERTIES OF BOUND WATER ASSOCIATED WITH SMECTITES - (Abstract Only)

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.

AN ECONOMICALLY SUSTAINABLE RIPARIAN BUFFER TO PROMOTE BANK STABILITY AND REDUCE PHOSPHORUS LOSS IN THE LOESS HILLS - (Abstract Only)

KELLY, J.M., BURKART, M.R., KOVAR, J.L., MOORMAN, T.B., LOGSDON, S.D. AN ECONOMICALLY SUSTAINABLE RIPARIAN BUFFER TO PROMOTE BANK STABILITY AND REDUCE PHOSPHORUS LOSS IN THE LOESS HILLS. AMERICAN SOCIETY OF AGRONOMY. 2002. CD-ROM. MADISON, WI.

DIELECTRICS-BEYOND WATER CONTENT - (Abstract Only)

LOGSDON, S.D. DIELECTRICS-BEYOND WATER CONTENT. FIRST INTERNATIONAL SYMPOSIUM ON SOIL WATER MEASUREMENT USING CAPACITANCE IMPEDANCE AND TIME DOMAIN TRANSMISSION. 2002. P. 1.3.1-17.

DIELECTRICS - BEYOND WATER CONTENT - (Proceedings)

LOGSDON, S.D. DIELECTRICS - BEYOND WATER CONTENT. FIRST INTERNATIONAL SYMPOSIUM ON SOIL WATER MEASUREMENT USING CAPACITANCE IMPEDANCE AND TIME DOMAIN TRANSMISSION. 2003. CD-ROM. LAUREL, MD: PALTIN.

SOIL WATER ENERGY CONCEPTS - (Literature Review)

LOGSDON, S.D. SOIL WATER ENERGY CONCEPTS. ENCYCLOPEDIA OF WATER SCIENCE. 2003. P. 868-870.

BULK DENSITY AS A SOIL QUALITY INDICATOR DURING CONVERSION TO NO-TILLAGE - (Peer Reviewed Journal)

Logsdon, S.D., Karlen, D.L. 2004. Bulk density as a soil quality indicator during conversion to no-tillage. Soil & Tillage Research. 78:143-149.

ROCK FRAGMENT CONTENT AND SPATIAL VARIATION OF SOIL HYDRAULIC PROPERTIES - (Peer Reviewed Journal)

SAUER, T.J., LOGSDON, S.D. ROCK FRAGMENT CONTENT AND SPATIAL VARIATION OF SOIL HYDRAULIC PROPERTIES. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. 2002. V. 66. P. 1947-1956.

NITRATE LEACHING AS INFLUENCED BY COVER CROPS IN LARGE SOIL MONOLITHS - (Peer Reviewed Journal)

LOGSDON, S.D., KASPAR, T.C., MEEK, D.W., PRUEGER, J.H. NITRATE LEACHING AS INFLUENCED BY COVER CROPS IN LARGE SOIL MONOLITHS. AGRONOMY JOURNAL. 2002. V. 94(4). P. 807-814.

DETERMINATION OF PREFERENTIAL FLOW MODEL PARAMETERS - (Peer Reviewed Journal)

Logsdon, S.D. 2002. Determination of preferential flow model parameters. Soil Science Society of America Journal. 66:1095-1103.

DIELECTRIC SPECTRA OF BOUND WATER IN HYDRATED SMECTITE - (Peer Reviewed Journal)

LOGSDON, S.D., LAIRD, D.A. DIELECTRIC SPECTRA OF BOUND WATER IN HYDRATED SMECTITE. JOURNAL OF NON CRYSTALLINE SOLIDS. 2002. v. 305. P. 243-246.

BOUND WATER IN SMECTITES: CHARACTERIZATION BY DIELECTRIC SPECTROSCOPY - (Abstract Only)

LOGSDON, S.D., LAIRD, D.A. BOUND WATER IN SMECTITES: CHARACTERIZATION BY DIELECTRIC SPECTROSCOPY. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2001. CD-ROM. MADISON, WI.

MEASURED AND PREDICTED SOLUTE LEACHING FROM MULTIPLE UNDISTURBED SOIL COLUMNS - (Peer Reviewed Journal)

Logsdon, S.D., Keller, K.E., Moorman, T.B. 2002. Measured and predicted solute leaching from multiple undisturbed soil columns. Soil Science Society of America Journal. 66(3):686-695.

WATER INFILTRATION AND SOIL - (Review Article)

LOGSDON, S.D. WATER INFILTRATION AND SOIL. ENCYCLOPEDIA OF WATER SCIENCE. 2003. P. 930-933.

ANTECEDENT SOIL WATER - (Review Article)

LOGSDON, S.D. ANTECEDENT SOIL WATER. ENCYCLOPEDIA OF WATER SCIENCE. 2003. P. 858-860.

DIELECTRIC SPECTRA OF BOUND WATER IN HYDRATED SMECTITE - (Abstract Only) - (15-Mar-01)

NITRATE LEACHING AS INFLUENCED BY COVER CROPS IN LARGE SOIL MONOLITHS - (Abstract Only)

Logsdon, S.D., Kaspar, T.C., Prueger, J.H., Meek, D.W., Simmons, G.T., Hart, T.T. 2000. Nitrate leaching as influenced by cover crops in large soil monoliths. Soil Science Society of America Annual Meeting. CD-ROM. Madison, Wisconsin.

CHARACTERIZING SOIL STRUCTURE BY ROTATED CORE DESORPTION AND THE ODR TRANSECT METHOD - (Abstract Only)

Logsdon, S.D. 2000. Characterizing soil structure by rotated core desorption and the odr transect method. ASA-CSSA-SSSA Annual Meeting Abstracts. CD-ROM. Madison, Wisconsin.

SURFACE RUNOFF COMPARISONS OF ROW-CROP, PASTURE, FOREST, AND COOL-SEASON GRASS LAND-USE PRACTICES ALONG RIPARIAN ZONES IN THREE CENTRAL IOWA WATERWAYS - (Abstract Only)

MAIERS, R.P., SCHULTZ, R.C., HINZ, S.D., LOGSDON, S.D. SURFACE RUNOFF COMPARISONS OF ROW-CROP, PASTURE, FOREST, AND COOL-SEASON GRASS LAND-USE PRACTICES ALONG RIPARIAN ZONES IN THREE CENTRAL IOWA WATERWAYS. AGRONOMY ABSTRACTS. 2000. CD-ROM. MADISON, WI. ASA.

INPUT PARAMETER MEASUREMENT FOR MACRO, A TWO-FLOW DOMAIN SOLUTE TRANSPORT MODEL - (Abstract Only)

Logsdon, S.D., Keller, K., Moorman, T.B. 1999. Input parameter measurement for macro, a two-flow domain solute transport model. Agronomy Abstracts. CD-ROM. Madison, Wisconsin.

SPATIAL VARIATION OF INFILTRATION IN A GRAZED OZARK WATERSHED - (Abstract Only) - (04-Nov-99)

TEMPORAL CHANGES IN SMALL DEPTH INCREMENTAL SOIL BULK DENSITY - (Peer Reviewed Journal) - (01-Sep-99)

EFFECT OF CABLE LENGTH ON TIME DOMAIN REFLECTOMETRY CALIBRATION FOR HIGH SURFACE AREA SOILS - (Peer Reviewed Journal) - (31-Aug-99)

FIELD-SCALE WATERSHED EVALUATIONS ON DEEP LOESS SOILS: III. RAINFALL AND FERTILIZER N USE EFFICIENCIES - (Peer Reviewed Journal)

Logsdon, S.D., Karlen, D.L., Prueger, J.H., Kramer, L.A. 1999. Field-scale watershed evaluations on deep loess soils: III. Rainfall and fertilizer N use efficiencies. Journal of Soil and Water Conservation. 54:711-716.

MODEL-BASED TECHNIQUE TO DETERMINE VARIABLE RATE NITROGEN FOR CORN - (Peer Reviewed Journal)

Paz, J.O., Batchelor, W.D., Babcock, B.A., Colvin, T.S., Logsdon, S.D., Kaspar, T.C., Karlen, D.L. 1999. Model-based technique to determine variable rate nitrogen for corn. Agricultural Systems. 61:69-75.

THE EFFECT OF LAND-USE PRACTICES ON HYDROLOGIC PROPERTIES OF RIPARIAN SOILS IN CENTRAL IOWA - (Abstract Only) - (24-Apr-99)

COMPARING FIELD METHODS THAT ESTIMATE MOBILE-IMMOBILE MODEL PARAMETERS - (Peer Reviewed Journal) - (16-Nov-98)

UNSATURATED HYDRAULIC CONDUCTIVITY DETERMINED BY A COMBINATION OF METHODS. - (Abstract Only) - (22-Oct-98)

ANALYSIS OF WATER STRESS EFFECTS CAUSING SPATIAL YIELD VARIABILITY IN SOYBEANS - (Peer Reviewed Journal) - (20-Aug-98)

CROP YIELD VARIABILITY AS INFLUENCED BY WATER IN RAIN-FED AGRICULTURE - (Abstract Only) - (22-Jul-98)

CROP YIELD VARIABILITY AS INFLUENCED BY WATER IN RAIN-FED AGRICULTURE - (Proceedings) - (22-Jul-98)

MODEL-BASED TECHNIQUE TO DETERMINE VARIABLE RATE NITROGEN FOR CORN - (Abstract Only) - (22-Jul-98)

OAT AND RYE OVERSEEDED INTO SOYBEAN AS FALL COVER CROPS IN THE UPPER MIDWEST - (Peer Reviewed Journal) - (07-Jul-98)

DEPTH INCREMENTAL SOIL PROPERTIES UNDER NO-TILL OR CHISEL MANAGEMENT - (Peer Reviewed Journal) - (09-Jun-98)

THE ROLE OF PREFERENTIAL FLOW AS A MECHANISM FOR GROUNDWATER CONTAMINATION I - (Abstract Only) - (29-May-98)

FIELD-SCALE NITROGEN BALANCES ASSOCIATED WITH LONG-TERM CONTINUOUS CORN PRODUCTION - (Peer Reviewed Journal) - (28-Apr-98)

ENERGY BALANCE OF A CORN RESIDUE-COVERED FIELD DURING SNOWMELT - (Peer Reviewed Journal) - (03-Apr-98)

ON INTERPRETATION AND MISINTERPRETATION OF FRACTAL MODELS - (Peer Reviewed Journal) - (01-Apr-98)

FIELD SOIL HYDRAULIC AND SOLUTE TRANSPORT MEASUREMENTS AS A FUNCTION OF WATER PRESSURE HEAD - (Peer Reviewed Journal) - (05-Mar-98)

USING LANDSCAPE POSITION AND SOIL INFORMATION TO OPTIMIZE MANURE APPLICATION - (Proceedings) - (12-Feb-98)

PLANT AVAILABLE WATER CONCEPT FOR SOILS WITH SHALLOW WATER TABLES - (Abstract Only) - (31-Oct-97)

COMPARING TWO METHODS FOR ESTIMATING FIELD SOLUTE TRANSPORT PROPERTIES - (Abstract Only) - (31-Oct-97)

UNSATURATED SOIL HYDRAULIC PROPERTIES IN THE REGION NEAR SATURATION - (Abstract Only) - (24-Oct-97)

UNSATURATED SOIL HYDRAULIC PROPERTIES IN THE REGION NEAR SATURATION - (Proceedings) - (24-Oct-97)

CALIBRATION OF A CROP GROWTH MODEL TO PREDICT SPATIAL YIELD VARIABILITY - (Abstract Only) - (14-Aug-97)

ECONOMIC EVALUATION OF CROP MANAGEMENT SYSTEMS FOR SUSTAINABLE AGRICULTURE - (Abstract Only) - (31-Jul-97)

IMMOBILE WATER CONTENT AND MASS EXCHANGE COEFFICIENT OF A FIELD SOIL - (Peer Reviewed Journal) - (23-Jan-97)

TRANSIENT VARIATION IN THE INFILTRATION RATE DURING MEASUREMENT WITH TENSION INFILTROMETERS - (Peer Reviewed Journal) - (03-Dec-96)

CONVERSION TO NO-TILL INFLUENCE ON INCREMENTAL SOIL PROPERTIES - (Abstract Only) - (08-Nov-96)

FIELD MEASUREMENT OF HYDRAULIC AND PREFERENTIAL FLOW PROPERTIES - (Abstract Only) - (08-Nov-96)

SUBSURFACE LATERAL TRANSPORT IN GLACIAL TILL SOILS DURING A WET YEAR - (Abstract Only) - (25-Jul-96)

MACROPORE MODELING: STATE OF THE SCIENCE - (Proceedings) - (25-Jul-96)

THE CHARACTERISTICS AND TEMPORAL VARIABILITY OF INFILTRATION AS AFFECTED BYMACROPORES AND PLANTS - (Government Publication) - (25-Jul-96)

A SEQUENTIAL TRACER TECHNIQUE FOR ESTIMATING TWO-DOMAIN SOLUTE TRANSPORT PARAMETERS: II. FIELD STUDIES - (Abstract Only) - (23-Jul-96)

SOIL PROPERTY CONTRIBUTIONS TO YIELD VARIATION PATTERNS - (Abstract Only) - (26-Jun-96)

SOIL PROPERTY CONTRIBUTIONS TO YIELD VARIATION PATTERNS - (Proceedings) - (26-Jun-96)

DETERMINING SOLUTE TRANSPORT PARAMETERS OF THE MOBILE/IMMOBILE PREFERENTIALFLOW MODEL IN FIELD SOIL - (Abstract Only) - (02-May-96)

FRACTAL ANALYSIS OF AGGREGATE SIZE DISTRIBUTION: THE QUESTION OF SELF- SIMILARITY - (Peer Reviewed Journal) - (15-Mar-96)

INTERMEDIATE-SCALE SOLUTE LEACHING IN LARGE UNDISTURBED SOIL MONOLITHS - (Proceedings) - (03-Nov-95)

SUBSURFACE LATERAL TRANSPORT IN CENTRAL IOWA DURING A WET YEAR - (Abstract Only) - (03-Nov-95)

SOLUTE LEACHING AND CROP WATER BALANCE IN LARGE UNDISTURBED SOIL MONOLITHS - (Abstract Only) - (03-Nov-95)

FIELD MEASUREMENT OF THE MOBILE/IMMOBILE SOLUTE EXCHANGE COEFFICIENT AND THE MOBILE WATER CONTENT - (Abstract Only) - (03-Nov-95)

SOIL PHYSICAL PROPERTIES IN NO-TILL WITH AND WITHOUT SWEEP CULTIVATION FOR WEED CONTROL - (Abstract Only) - (03-Nov-95)

SPATIAL VARIABILITY OF HYDRAULIC CONDUCTIVITY IN A CULTIVATED FIELD AT DIFFERENT TIMES - (Peer Reviewed Journal) - (04-Oct-95)

TRAFFIC PATTERN AND TILLAGE SYSTEM EFFECTS ON CORN ROOT AND SHOOT GROWTH - (Peer Reviewed Journal) - (07-Jul-95)

FLOW MECHANISMS THROUGH CONTINUOUS AND BURIED MACROPORES - (Peer Reviewed Journal) - (05-Jun-95)