32nd Southern Conservation Agricultural Systems Conference

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Wednesday, July 21

8:00 AM-5:00 PM

Oral and Poster Presentations

West TN Research and Education Center, Jackson, TN

 

Oral Presentations

Poster Presentations

Oral Presentations

8:00 A.M.
Welcome and Introductions

8:45 A.M.
Prospects for Monitoring Cotton Crop Maturity with NDVI
C. Owen Gwathmey, Don Tyler, Xinhua (Frank) Yin –Univ. Tennessee

9:05 A.M.
Using NDVI as a Predictor of Cotton Plant Height for Real-Time Sensor-Based Variable Rate Application of Growth Regulators
R. Taylor, C. Owen Gwathmey, Shane Osborne, Christopher Main, J.C. Banks – Univ. Tennessee, Oklahoma State Univ.

9:25 A.M.
Impact of Glyphosate-Resistant Weeds on No-Till Row Crop Production
Larry Steckel – Univ. Tennessee

9:45 A.M. – Break

10:00 A.M.
Effects of Prolonged Storage on Survival and Growth of Outplanted Bottomland Oak Seedlings
David Mercker, David Buckley – Univ. Tennessee

10:20 A.M.
Propagule Densities of Macrophomina phaseolina in Soybean Tissue and Soil
Alemu Mengistu – USDA-ARS CGRU

10:40 A.M.
Effects of Conservation Tillage on Crop Yields as Influenced by Crop, Region and Environmental Factors
Dustin Toliver, James Larson, Burton English, Roland Roberts, Daniel de la Torre Ugarte – Univ. Tennessee

11:00 A.M.
Tillage and Nutrient Source Effects on Nitrogen Availability in a Southern Piedmont Soil
Harry Schomberg, Dinku Endale, Michael Jenkins, Dwight Fisher – USDA-ARS NRCC

11:20 A.M.
Spring Forage Yields and Quality of Plots Fertilized with Broiler Litter, Exceptional Quality Biosolids
Shawn Hawkins, Forbes Walker – Univ. Tennessee

11:40 A.M.
Annual Nutrient Removal from Harvesting Vaughn's Hybrid Bermudagrass
Hubert Savoy – Univ. Tennessee

12:00 P.M. – 1:00 P.M. – Lunch and Keynote Speaker
Building a Biomass Energy Industry in Tennessee
Dr. Kelly Tiller, President and CEO, Genera Energy

1:00 P.M. – 2:30 P.M. – Poster Session

2:30 P.M.
Rye Cover Crop as a Source of Biomass Feedstock: An Economic Perspective
Leah M. Duzy, Francisco J. Arriaga, Kipling S. Balkcom – USDA-ARS NSDL

2:50 P.M.
Economic Comparison of Four Winter Covers for Row-Till Cotton Cropping Rotations under Risk
Daniel Mooney, James Larson, Roland Roberts, Fred Allen – Univ. Tennessee

3:10 P.M.
Curve Numbers from a Long-Term No-Till Crop Field in the GA Piedmont
Dinku Endale, Harry Schomberg, Dwight Fisher, Michael Jenkins – USDA-ARS NRCC

3:30 P.M.
Peanut Response to Starter Fertilizer across Tillage Systems
Kipling S. Balkcom, R. Scott Tubbs – USDA-ARS NSDL, Univ. Georgia

3:50 P.M.
Developing Organic No-Till Crop Production Systems for Tennessee
Forbes Walker, Neal Eash – Univ. Tennessee

4:10 P.M.
Conservation Tillage for Burley Tobacco
Paul Denton, Justin Bryant, John Morrison, Michael Jenkins – Univ. Tennessee, TN Dept. Agriculture

Poster Presentations

Poster Session: 1:00 P.M. – 2:30 P.M.

1. Effect of Poultry Litter on Heterodera glycines Reproduction
   Pat Donald, Phillip Allen, Karmat Sistani, Don Tyler, Haile Tewold – USDA-ARS CGRU/AWMRU/GPARU, Univ. Tennessee
   
   
2. Influence of Elevated Atmospheric CO₂ and Tillage Practices on Rainfall Simulation
   Stephen A. Prior, Dexter B. Watts, Francisco J. Arriaga, G. Brett Runion, H. Allen Torbert, Hugo H. Rogers – USDA-ARS NSDL
   
   
3. The Impact of Long-Term Conventional and No-Tillage Management on Field Hydrology and Groundwater Recharge
   R. Louis Baumhardt, Bridget Scanlon, Robert Schwartz – USDA-ARS SWMRU, TX Bureau Economic Geology
   
   
4. Increasing Fertilizer Use Efficiency for Vegetable Crops
   Mark S. Reiter – Virginia Tech
   
   
5. Assessing Photosynthetic Leaf Area of Corn under Different Tillage Systems and Soil Zones
   Pawel Wiatrak – Clemson Univ.
   
   
6. Long-Term Tillage and Poultry Litter Application Impacts on Crop Production in Northeastern Alabama
   Dexter B. Watts, H. Allen Torbert – USDA-ARS NSDL
   
   
7. FGD Gypsum Use as a Soil Amendment to Reduce Soluble P in Soil
   Dexter B. Watts, H. Allen Torbert, Paul Pier – USDA-ARS NSDL, TN Valley Authority
   
   
8. Demonstrating Use of High-Residue, Cover-Crop Conservation Tillage Systems
   Andrew J. Price, C. Dale Monks, Jessica A. Kelon, Mike G. Patterson, Kipling S. Balkcom, A. Stanley Culpepper, C.L. Main, L.E. Steckel, M.W. Marshall, Robert L. Nichols – USDA-ARS NSDL, Auburn Univ., Univ. Georgia, Univ. Tennessee, Clemson Univ., Cotton, Inc.
   
   
9. Potential Use of FGD Gypsum in Agriculture
   Fred Rhoton, Normie Buehring, Michael E. Essing, Daniel S. McChesney, Don Tyler – USDA-ARS NSL, Mississippi State Univ., Univ. Tennessee
   
   
10. Conservation Tillage Improves Soil Physical Properties on Different Landscape Positons
    Francisco J. Arriaga, Andre Biscaro, Kipling S. Balkcom, Joey N. Shaw, Edzard van Santen, Ted S. Kornecki – USDA-ARS NSDL, Univ. California Extension, Auburn Univ.
    
    
11. Weed Control Efficacy and Lint Yield of Herbicide Resistant Cotton Technologies under Different Tillage Systems and Row Spacing
    Jatinder Aulakh, Andrew J. Price, Kipling S. Balkcom, Francisco J. Arriaga, Dennis P. Delaney – Auburn Univ., USDA-ARS NSDL
    
    
12. Effects of Rolling/Crimping with Different Herbicide Types and Rates on Rye and Clover
    Ted S. Kornecki, Andrew J. Price – USDA-ARS NSDL
    
    
13. Changes in Total Soil Organic Carbon as Affected by Cropping Sequence and Bio-Covers under No-Till Production
    Fred Allen, Jason Wright, Don Tyler – Univ. Tennessee, Texas A&M