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Refereed articles or reviews

J. E. Faust, and J. Logan.  2018.  Daily Light Integral: A research review and high-resolution maps of the United States.  HortScience, 53: 1250-1257.

O'dell, N. S. Eash, B. H. Hicks, J. Oetting, T. J.Sauer, D. M. Lambert, J. Logan, W. C. Wright, and J. Zahn.  2018.  Reducing carbon dioxide flux by decreasing tillage: Overcoming conjecture with data.  Journal of Agricultural Science.

Long, T., J. Logan, and M. Waugh.  2016.  Students' perceptions of the value of using videos as a pre-class learning experience in the flipped classroom.  TechTrends, 60:245-252.

O'Dell, D., T. J. Sauer, B. B. Hicks, C. Thierfelder, D. M. Lambert, J. Logan, and N. S. Eash.  2015.  A short assessment of carbon dioxide fluxes under contrasting agricultural and soil management practices in Zimbabwe.  Journal of Agricultural Science, 7(3):32-48.

Logan, J.  2014.  Using a spreadsheet to model rain barrel efficiency and cost-benefit for homeowners.  HortTechnology, 24:156-158.

Logan, J., F. R. Walker, B. A. Jolly, and T. Foster.  2005.  A GIS-Based Inventory Of Sediment Pollution For Watershed Restoration Planning.  Land Use and Water Resources Research 5 (2005) 2.1–2.5.

Howard, D. D., M. E. Essington, and J. Logan.  2002.  Long-Term Broadcast And Banded Phosphorus Fertilization Of Corn Produced Using Two Tillage Systems.  Agronomy Journal, 94:51-56.

Korczynski, P. C., J. Logan, and J. E. Faust.  2002.  Mapping Monthly Distribution Of Daily Light Integrals Across The Contiguous United States.  Hort. Tech.12:12-16.

Logan, J., and C. O. Gwathmey.  2002.  Effects Of Weather On Cotton Responses To Harvest Aid Chemicals.  Journal of Cot. Sci.6:1-12.

Howard, D. D., M. E. Essington, J. Logan, R. K. Roberts, and W. M. Percell.  2001.  Phosphorus And Potassium Fertilization Of Disk-Till And No-Till Cotton.  Journal of Cotton Science, 5:144-155.

Logan, J., M. A. Mueller, and M. J. Searcy.  2000.  Microclimates, Peach Bud Phenology And Freeze Risks In A Topographically Diverse Orchard.  Hort Tech 10(2):337-340.

Logan, J., and M. A. Mueller.  1999.  Methods Of Spatial Interpolation Of Precipitation Data In The Southern Appalachian Region.  Proc. Specialty Conf. on Potential Consequences of Clim. Variability and Change to Water Resources of U.S., Amer. Water Res. Assoc., 10-12 May, 1999, Atlanta, GA. pp. 101- 104.

Logan, J., M. A. Mueller, and C. R. Graves.  1998.  A Comparison of Early (ESPS) and Recommended Soybean Production Systems in Tennessee.  Journal of Prod. Agric. 11:319-325.

Book chapters or books

Gwathmey, C. O., J. T. Cothren, K. E. Lege, J. Logan, B. A. Roberts, and J. R. Supak.  2001.  Influence Of Environment On Cotton Defoliation And Boll Opening.  Ch. 3 In Cotton Harvest Management: Use and Influence of Harvest Aids. (J.R. Supak and C.E. Snipes, eds.) The Cotton Foundation, Reference Book Series, No. 5, Memphis TN.

Bulletins, reports, circulars, pamphlets, factsheets

Logan, J.  2015.  72 hour stormwater regulation: precipitation probabilities for Tennessee.  Tennessee Climatological Services., University of Tennessee, Knoxville, TN.

Logan, J.  2014.  Mapping Monthly Averages of Daily Light Integrals for Tennessee.  Climate Report of the Tennessee Climatological Service.

Schwartz, J. S., K. J. Neff, A. Celebucki, R. Woockman, A. L. Ludwig, and J. Logan.  2013.  University of Tennessee - Knoxville Stormwater Management Master Plan.  Research Report. University of Tennessee, Knoxville, TN.

Logan, J.  2012.  Wet/dry day sequences for selected locations in Tennessee.  Climate Report of the Tennessee Climatological Service.

Logan, J.  2012.  Rain harvesting potential for selected locations in Tennessee.  Climate Report of the Tennessee Climatological Service.

Logan, J.  2012.  Trends in chilling hours, 1981-2011, for selected locations in Tennessee.  Climate Report of the Tennessee Climatological Service.

Babbit, E. W., and J. Logan.  2011.  Chapter 5: Tennessee Gardening Climate.  Tennessee Master Gardener Handbook. UT Extension PB 1578. pp 117-133.

Eaker, C., Edwards, C., J. Logan, Redmond, J., and Sherline, C..  2011.  Climate Change Effects to the Biodiversity of the US Southeast.  Increasing Biodiversity Information Sources (IBIS) Project Report to the USGS National Biological Information Infrastructure. 34 pp.

Edwards, S., M. L. E. Steiner Davis, and J. Logan.  2011.  Climate Change Impacts on US Southeastern Biodiversity: Sectors, States and Ecosystems.  Increasing Biodiversity Information Sources (IBIS) Project Report to the USGS National Biological Information Infrastructure. 24 pp.

Edwards, S., Steiner Davis, M. L. E., and J. Logan.  2011.  US Southeast Biodiversity State Overviews.  Increasing Biodiversity Information Sources (IBIS) Project Report to the USGS National Biological Information Infrastructure. 25 pp.

Logan, J.  2005.  Weather Patterns for the 2004 Growing Season.  2004 Variety Trial Research Report. TN Agricultural Experiment Station, Univ. Tennessee, Knoxville, TN.

Logan, J.  2005.  Building Better Bridges: OIT Engaging UTK Scholars.  Report to the Office of the Chief Information Officer, University of Tennessee, Knoxville, TN.

Logan, J.  2004.  Weather Patterns for the 2003 Growing Season.  2003 Variety Trial Research Report. TN Agricultural Experiment Station, Univ. Tennessee, Knoxville, TN.

Callahan, L. M., J. Logan, J. Parham, D. Walker, and A. M. Saxton.  2003.  Herbicidal Removal Of A Perennial Ryegrass Overseeding Out Of A Tifway Bermudagrass Sport Turf .  Bull. 702, May 2003, Ag. Ex. Sta., Univ. Tenn., Knoxville, TN.

Logan, J.  2003.  Weather Patterns for the 2002 Growing Season.  2002 Variety Trial Research Report. TN Agricultural Experiment Station, Univ. Tennessee, Knoxville, TN.

Walker, F. R., J. Logan, and M. D. Mullen.  2002.  Final report for Determination and Verification of Loading Rate Parameters to Support BASINS NPSM/HSPF Model Analysis for Predicting Pathogen and Nutrient Loadings in Two Impaired Watersheds in Tennessee.  Tennessee Department of Agriculture, Nashville, TN. Nov. 2002 (Contract # ED 01-00524-00).

Graves, C. R., V. R. Pantalone, F. L. Ellis, R. Thompson, G. Percell,, J. McClure, W. D. Pitt, M. Smith, and J. Logan.  2001.  Performance of Soybean Varieties in 2000.  Res. Rpt. 00-18, Agric. Exp. Sta., Univ. Tennessee, Knoxville, TN.

Logan, J.  2001.  Poor Seasonal Distribution Of Rainfall Plagues State In 2000.  In: C. R. Graves, 2001. 2000 performance of field crop varieties. Bull. 700, Agric. Exp. Sta., Univ. Tennessee, Knoxville, TN.

Graves, C. R., D. R. West, J. Logan, B. N. Duck, V. R. Pantalone, D. R. Kincer, R. Thompson, G. Percell, C. L. Click, W. D. Pitt, J. McClure, and J. S. Williams.  2000.  1999 Performance of field crop varieties.  Bull. 698, Agric. Exp. Sta., Univ. Tennessee, Knoxville, TN.

Graves, C. R., V. R. Pantalone, B. N. Duck, F. L. Ellis, D. Kincer, R. Thompson, G. Percell, C. L. Click, J. McClure, W. D. Pitt, M. Smith, and J. Logan.  2000.  Performance of Soybean Varieties in 1999.  Res. Rpt. 99-20, Agric. Exp. Sta., Univ. Tennessee, Knoxville, TN.

Logan, J.  1999.  Environmental Evaluation In: Uniform Harvest Aid Performance And Fiber Quality Evaluation.  Cotton Defoliation Work Group Res. Rept., Info. Bull. 358. Miss. Ag. For. Exp. Sta., Mississippi State, MS.

Reynolds, J. H., C. L. Walker, J. Logan, and C. E. Sams.  1999.  Photosynthesis and Water-Use Rate of Switchgrass Varieties. In: Switchgrass as a Biofuels Crop for the Upper Southeast: Variety Trialsand Cultural Improvements.  Va. Polytechnic Inst. State Univ., Blacksburg, VA.

Popular press, trade, UTIA magazine or newsletter articles

Faust, J., and J. Logan.  2000.  Mapping Light Across the United States.  Greenhouse Product News 10(10):20-24.

Faust, J., and J. Logan.  1998.  Light: Summing It Up.  Greenhouse Product News 8:18-22.

Logan, J., M .A. Mueller, and C. R. Graves.  1998.  Evaluation of the Early Soybean Production System..  Tenn. AgriSci. 184:11-13 .

Abstracts from scientific or discipline meetings, papers from conference proceedings

D. O'Dell, N. S. Eash, J. Oetting, C. Thierfelder, J. Zahn, B. Hicks, D. M. Lambert, J. Logan, and J. Goddard.  2019.  Conservation agriculture effects on carbon dioxide flux in Zimbabwe.  Soil Science Society of America poster.

Logan, J.  2017.  Current and future trends in chilling, spring temperatures, and spring freezes in Tennessee. , 25-28 June, Asheville, NC.  23rd Conference on Applied Climatology, 25-28 June, Asheville, NC.

Logan, J., and J. E. Faust.  2017.  New daily light integral maps for the United States.  Conference of the American Society for Horticultural Science, Sep 19-22, Waikoloa, HI.

O'Dell, D., N. S. Eash, J. Oetting, J. A. Zahn, B. Hicks, T. J. Sauer, D. M. Lambert, J. Logan, and J. Goddard.  2017.  Following the carbon: using micrometeorology to evaluate the impact of land application of industrial co-products.  Annual Meeting ASA, CSSA, and SSSA, Oct. 22-25, Tampa, FL.

Logan, J., and R. Hanahan.  2016.  Teaching GIS using Stormwater Pollution Prevention Plans (SWPPP).  Proceedings of the ESRI Educational Users Conference, San Diego, CA. June 25-28, 2016.

Logan, J., C. E. Sams, and J. Faust.  2016.  Mapping Daily Light Integrals for Greenhouse Production.  22nd Conference on Applied Climatology, New Orleans, LA, Jan 10-14, 2016.

O'Dell, D., N. S. Eash, B. Hicks, D. M. Lambert, J. Logan, T. J. Sauer, J. Zahn, J. Oetting, and J. Goddard.  2016.  Can No-till Sequester Carbon? Overcoming Conjecture with Data.  Annual Meeting, ASA, CSSA, SSSA, 6-9 Nov, 2016. Phoenix, AZ..

Gwinn, K. D., J. Logan, A. Vanderpool, S. J. Domingo, and C. A. Beyl.  2015.  Undergraduate Research as a Bridge for College of Agricultural Sciences and Natural Resources Recruiting.  Phytopathology, 105(Suppl. 4):S4.55 Annual Meeting, American Phytopathological Society. Pasadena, Ca. Aug 1-5, 2015.

Logan, J., and R. Hanahan.  2015.  ArcGIS Online as a tool to teach global, regional and local water resource issues to middle and high school teachers and students.  Proceedings of the Annual meeting of the Tennessee Geographic Information Council., Burns, TN. Apr 21-23, 2015.

Logan, J., and R. Hanahan.  2015.  Teaching about Water Resources using ArcGIS Online.  ESRI Educational Users annual meeting., San Diego, CA. July 20-24, 2015.

Logan, J.  2014.  Climate Smart development and planning for East Tennessee.  East Tennessee Development Symposium, Tennessee Stormwater Association Nov 4-5, 2015 Knoxville, TN.

Logan, J.  2014.  Spatial optimization of CoCoRAHS network in Tennessee.  21st Conference on Applied Climatology, 9-13 June 2014, Westminster, CO.

Long, T., J. Logan, and M. Waugh.  2014.  Students’ perceptions of pre-class instructional video in the flipped classroom model: A survey study.  Proceedings of Society for Information Technology & Teacher Education International Conference 2014, M. Searson & M. Ochoa (Eds.) pp. 920-927 Mar 17, 2014 Jacksonville, FL.

O'Dell, D., T. Sauer, N. S. Eash, D. M. Lambert, C. Thierfelder, B. Hicks, and J. Logan.  2014.  Measuring C sequestration in real-time under African conditions.  SSSA Abstracts.

Gwinn, K. D., J. Logan, C. A. Beyl, and A. Vanderpool.  2013.  Crossing disciplinary boundaries using a BRIDGE: Building Research Interest and Developing Global Engagement.  59th Annual Meeting of the North American Teachers and Colleges of Agriculture, Blacksburg, VA, Jun 24-29, 2013. p. 86.

Logan, J., and T. G. Prather.  2013.  In Search of the perfect final project.  2013 ESRI Education GIS Conference Proceedings. July 8-12, 2013. San Diego, CA..

Logan, J., and T. Moir-McClean.  2013.  Landscape design and GIS in campus storm water planning.  Proceedings of the 2013 ESRI International User Conference, July 8-12, San Diego, CA..

Long, T., J. Logan, M. Waugh, and J. C. Cummins.  2013.  The flipped classroom instructional model with a technology-enabled active learning (TEAL) classroom: How does it work?.  Proceedings of Society for Information Technology & Teacher Education International Conference 2013, Mar 25, 2013 Volume 2013, Number 1 pp. 2220-2221 Chesapeake, VA.

Logan, J.  2012.  A new interdisplinary minor in watershed science, engineering, and policy at the University of Tennessee - Knoxville.  Proceedings of the 2012 Annual Meeting., Annual meeting of the Tennessee chapter of the American Water Resources Association, Montgomery Bell State Park, April 11-12, 2012. (poster).

Logan, J.  2012.  Climate change in Tennessee and its effects on amphibians and reptiles.  Proceedings of the 2012 Annual Meeting., Southeast Partners in Amphibian and Reptile Conservation. Fall Creek Falls State Park, Tennessee. February 16-19, 2012.

Logan, J.  2012.  The potential of rainwater harvesting in Tennessee.  Proceedings of the 2012 annual meeting., Tennessee Chapter of the American Water Resources Association, Montgomery Bell State Park, TN. April 13-15, 2012. (oral presentation).

Cummins, J. C., J. Logan, A. C. Sherfy, M. Waugh, and T. Long.  2011.  Technology Enabled, Active Learning (TEAL) classrooms: How well do they work?.  Proceedings of Society for Information Technology & Teacher Education International Conference 2011, pp. 1444-1446 March 7, 2011 Nashville, TN.

Logan, J., T. G. Prather, G. Bennett, S. Benge, and B. C. Beavers.  2011.  Adapting to Climate Change: Stormwater Mitigation under Enhanced Rainfall Scenarios.  19th Conference on Applied Climatology, /36th Annual Meeting of the American Association of State Climatologists and Practical Solutions for a Warming World: AMS Conference on Climate Adaptation. July 18-22, 2011. Asheville, NC. (poster).

Logan, J., F. R. Walker, and T. G. Prather.  2010.  Identification of Non Point Pollution Sources - Oostanaula Creek, Tennessee.  ESRI Users Conference, San Diego, CA, July 14-18, 2010.

Prather, T. G., and J. Logan.  2010.  Rapid Screening to Determine Areas with Limited Fire Apparatus Access.  ESRI International GIS Users Conference, San Diego, CA. Jul 12-14, 2010. (poster presentation).

Prather, T. G., J. Logan, and R. Boswell.  2010.  Using GIS to Identify Residential Areas with Restricted Access for Fire Apparatus.  2010 TNGIC Annual GIS Conference, Gatlinburg Convention Center, Gatlinburg, TN, April 5-9, 2010. (oral presentation).

Prather, T. G., J. Logan, and R. Boswell.  2010.  Using GIS to Identify Residential Areas with Restricted Access for Fire Apparatus.  2010 TNGIC Annual GIS Conference, Gatlinburg Convention Center, Gatlinburg, TN, April 5-9, 2010. (poster presentation).

Logan, J.  2009.  GIS Learning Objects for Agriculture and Natural Resources.  2009 ESRI Education User Conference, July 11–14, 2009, San Diego, CA.

Logan, J., T. G. Prather, B. Boyd, and D. Hotz.  2009.  Improving the NWS flood warning program using a GIS-based flash flood index.  Tennessee Academy of Science, University of Tennessee, Knoxville, TN. Oct 20, 2009.

Logan, J.  2008.  Trends in Tennessee Droughts.  Invited presentation, Drought Panel, Eighteenth Tennessee Water Resources Symposium, April 15-17, 2008, Montgomery Bell State Park, TN. Extended abstract in Proceedings http://tnawra.er.usgs.gov/2008/Proceedings2008.pdf.

Logan, J.  2008.  A Collaborative Community Rain, Hail, and Snow Network in Tennessee.  Poster. Eighteenth Tennessee Water Resources Symposium, April 15-17, 2008, Montgomery Bell State Park, TN. Extended abstract in Proceedings http://tnawra.er.usgs.gov/2008/Proceedings2008.pdf.

Ragsdale, R. M., F. R. Walker, A. Layton, and J. Logan.  2008.  Bacterial Source Tracking in an Eastern Tennessee Stream Using Bacteroides Host Associated Real-Time Polymerase Chain Reaction Assays.  Proceedings of 18th Ann. Tenn. Water Res. Symp. April 15-17, 2008. Burns, TN. pp. 2C - 22.

Logan, J.  2007.  Teaching College Students about the Global, Regional, and Local Aspects of Fresh Water.  Annual Tennessee branch of American Water Resources Association (AWRA) annual meeting, Montgomery Bell State Park, Dickson, TN. April 17 to 19, 2007.

Ragsdale, R. M., F. R. Walker, A. Layton, and J. Logan.  2007.  Bacterial Source Tracking in Pond Creek using Bacteroides Host-Specific Real-Time PCR Assays.  Annual Tennessee branch of American Water Resources Association (AWRA) annual meeting, Montgomery Bell State Park, Dickson, TN. April 17 to 19, 2007.

Logan, J., and F. R. Walker.  2005.  Development of Load Duration Curves for Impaired Streams in the Ridge and Valley Region of East Tennessee: a case study for sediments, nutrients and pathogens.  Watershed Management to Meet Water Quality Standards and Emerging TMDL. Proceedings of the 5 to 9 March 2005 Conference, Atlanta GA. Published by American Society of Agricultural Engineers. pp. 290 to 298.

Ayers, P. D., J. Logan, and G. V. Melnichenko.  2004.  Potential Sources of Non-Point Sediment Pollution in the Little River, Blount County, Tennessee.  Proc. 14th Ann. Tenn. Water Res. Symp. 31 Mar – 2 Apr, 2004. Burns, TN. pp. P23.

Logan, J.  2004.  Using Internet Mapping for Management and Outreach in Crooked Fork Watershed.  Proc. 14th Ann. Tenn. Water Res. Symp. 31 Mar – 2 Apr, 2004. Burns, TN. pp. 2C36 – 2C48.

Logan, J.  2004.  Teaching GIS To Environmental And Soil Science Undergraduate Students.  2004 Annual Meetings, 31 Oct-4 Nov, 2004, Seattle, WA. In Annual Meeting Abstracts (CD-ROM). ASA, CSSA, SSSA. Madison, WI.

Logan, J., and M. Guidry.  2004.  Learning Objects for Environmental Science.  50th Ann. Conf. North Amer. Colleges & Teachers of Ag., 21-23 June, 2004. Gainesville, FL. p. 21.

Logan, J., and M. D. Mullen.  2003.  Learning Objects To Teach Soil And Environmental Sciences.  Annual Meeting Abstracts (CD-ROM) ASA, CSSA, SSSA., Nov. 2-6, Denver, CO.

Logan, J., B. B. Arthur, T. McDonough, D. Scruggs, and D. David.  2003.  Using Internet Mapping for Management of Crooked Fork watershed.  2003 ASA-CSA-SSSA Annual Meeting, Denver CO. In Annual Meeting Abstracts (CD-ROM). ASA, CSSA, SSSA. Madison, WI.

Walker, F. R., M. D. Mullen, J. Logan, M. Sasser, and T. Day.  2003.  Rainfall Patterns and the Incidence of Escherichia Coli in an East Tennessee Watershed.  Tennessee branch of American Water Resources Association (AWRA) annual meeting, Montgomery Bell State Park, Dickson, TN. April 9-11.

Day, T. F., J. Logan, G. V. Melnichenko, M. D. Mullen, M. A. Sasser, and F. R. Walker.  2002.  Water Quality And Land Management In Pond Creek Watershed, Loudon County.  12th Ann. Tenn. Water Res. Symp., 2-5 Apr 2002, Montgomery Bell State Park, Burns, TN. p. P-2.

Day, T., M. Sasser, J. Logan, M. D. Mullen, and F. R. Walker.  2002.  Hydrological Models, BMPs and TMDL Development.  Total Maximum Daily Load: Environmental Regulations, pp. 185-190. Ft. Worth, TX. 11-13 Mar., 2002.

Lessman, G. M., M. D. Mullen, and J. Logan.  2002.  Modifications Of An Environmental Science Curriculum As A Result Of Departmental Reorganization.  Annual Meeting Abstracts (CD-ROM). ASA, CSSA, SSSA, Madison, WI.

Logan, J., T. D. Day, and L. Chiu.  2002.  Satellite-Derived Rainfall Estimates for use in BASINS/NPSM for TMDL Development.  Total Maximum Daily Load: Environmental Regulations. 11-13 Mar, 2002. Ft. Worth, TX. pp. 64-68.

Logan, J., T. Day, M. D. Mullen, F. R. Walker, and M. Sasser.  2002.  Best Management Practices, Water Quality, And Tmdls In Two East Tennessee Watersheds.  Annual Meeting Abstracts (CD-ROM), ASA, CSSA, SSSA. Madison, WI.

Logan, J., T. F. Day, G. V. Melnichenko, M. D. Mullen, M. A. Sasser, F. R. Walker, and J. E. Burr.  2002.  Water Quality And Land Management In Two East Tennessee Watersheds.  12th Ann. Tenn.Water Res. Symp., 2-5 Apr 2002, Montgomery Bell State Park, Burns, TN. pp. 2C-2 to 2C-8.

Sasser, M. A., T. F. Day, J. Logan, G. V. Melnichenko, M. D. Mullen, and F. R. Walker.  2002.  Water Quality And Land Management In Crooked Fork-Emory Watershed, Morgan County.  12th Ann. Tenn. Water Res. Symp., 2-5 Apr 2002, Montgomery Bell State Park, Burns, TN. p. P-7 .

Day, T. F., and J. Logan.  2001.  A GIS Approach To Assess Nutrient Loading Based On Land Use With A Sub-Watershed.  Annual Meeting Abstracts, ASA, CSSA, SSSA, 21-25 Oct 2001, Charlotte, NC. (Published CD).

Logan, J., and M. D. Mullen.  2001.  Sensible Use Of Streaming Video In A College-Level Course In Applied Climatology.  10th Symp. Educ., Amer. Met. Soc., Albuquerque, NM, Jan 2001. pp. 132-133.

Logan, J., and M. D. Mullen.  2001.  Sensible Use Of Streaming Video In An Online College-Level Course In Applied Climatology.  Syllabus 2001, Cincinnati, OH 5-8 Apr, 2001.

Mullen, M. D., and J. Logan.  2001.  Incorporation Of Streaming Video Technology Into Soil Biology And Biochemistry Course.  Annual Meeting Abstracts, ASA, CSSA, SSSA, 21-25 Oct 2001, Charlotte, NC. (Published CD).

Mullen, M. D., and J. Logan.  2001.  Using Streaming Video Technology in On line and Face to face Agriculture and Natural Resource Courses.  NACTA J., 45:13.

Logan, J.  2000.  Reengineering a Course for Online Delivery.  Educause, 10- 13 Oct., 2000, Nashville, TN. (Abstr.).

Logan, J., and D. L. Coffey.  2000.  Extending The Vegetable Season In Tennessee: An Analysis Of Minimum Temperatures And Freeze Probabilities.  Proc. 12 Conf. Appl. Clim., 8-11 May, 2000, Asheville, NC. pp 296-297.

Logan, J., and M. A. Mueller.  2000.  Using Geospatial Techniques And GIS To Develop Maps Of Freeze Probabilities And Growing Degrees.  South. Reg., ASHS, 30-31 Jan, 2000. Lexington, KY. HortSci.

Logan, J., and J. Faust-Brown.  1999.  Long-Term Solar Radiation Data: Can It Help With Greenhouse Light Management?.  South. Reg., ASHS, 30 Jan - 1 Feb, 1999. Memphis, TN. HortSci 34(5):835.

Logan, J.  1998.  GIS And Crop Phenology: Applications For Soybeans And Maize In Tennessee.  94th meeting of the Amer. Assoc. Geog., 24-29 Mar, 1998, Boston, MA..(Abstr.).

Logan, J., and C. O. Gwathmey.  1998.  Effects Of Weather On Cotton Responses To Tribufos And Tribufos Plus Ethephon Harvest Aid Chemicals.  Proc. 23rd Conf. Agric. For. Meteorol., 2-6 Nov, 1998, Albuquerque, NM.. pp 58-61.

Logan, J.  2015.  The Other CSA: Climate Smart Agriculture.  Annual meeting of the American Society of Horticultural Science., New Orleans, LA. Aug 3-6, 2015.  (invited)

Theses/Dissertations completed by directed students

Carter, Timothy, H. J. Savoy, B. G. Leib, J. Logan, and J. B. Wilkerson.  2011.  Irrigation Plus Nitrogen Rate Effects on Hybrid Bermudagrass Hay Yield and Quality, With Preliminary Evaluation of NDVI, Tissue and Soil Nitrate-N Sampling as Diagnostic Tools.  M.S. Thesis.