48 Ph.D. Graduate Student Oral Competition

Oral Session
SSSA Division: Soil Fertility & Plant Nutrition
Acceptance into the graduate student competition will be on a first-come basis with preference given to students selecting either Soil Fertility & Plant Nutrition or Nutrient Managemnt & Soil & Plant Analysis as their primary division of interest.

Soil Fertility & Plant Nutrition
Nutrient Management & Soil & Plant Analysis

Monday, November 16, 2015: 8:00 AM-3:20 PM
Minneapolis Convention Center, L100 D

Carrie A.M. Laboski
Trenton L. Roberts and Brenda Tubana
8:00 AM
Introductory Remarks
8:05 AM
Corn Growth and Yield Responses to Pre-Plant and in-Season Nitrogen Combinations.
Jeff Rutan, Michigan State University; Kurt Steinke, Michigan State University
8:20 AM
Applicability of the Cornstalk Nitrate Test for Furrow-Irrigated Mid-South U.S. Corn Production.
Chester Eugene Greub, University of Arkansas; Trenton L. Roberts, University of Arkansas; Nathan A. Slaton, University of Arkansas; Jason Kelley, University of Arkansas; Kevin Lawson, University of Arkansas; Jarom Davidson, University of Arkansas
8:35 AM
Urease Inhibitors Effect on Ammonia Volatilization and Corn Grain Yield.
Leonardo M. Bastos, University of Nebraska - Lincoln; Richard B. Ferguson, University of Nebraska-Lincoln
8:50 AM
Evaluation of Ammonia Volatilization and Yield Potential of Experimental Zinc Sulfate Coated Urea Fertilizers in Rice Production.
Nutifafa Adotey, Louisiana State University; Dustin L. Harrell, Louisiana State University Rice Experiment Station; Manoch Kongchum, Louisiana State University Rice Experiment Station; Jifeng Li, Louisiana State University
9:05 AM
Response of New Potato Cultivars Developed for Low Tuber Reducing Sugars to Nitrogen Management.
Na Sun, University of Minnesota; Carl Rosen, University of Minnesota; James E. Crants, University of Minnesota; Matthew McNearney, University of Minnesota; Martin Glynn, USDA-ARS Potato Research Worksite
9:20 AM
Effect of Preplant/Early Irrigation, Nitrogen and Population Rate on Winter Wheat Grain Yield.
Sulochana Dhital, Oklahoma State University; William R. Raun, Oklahoma State University; Bruno Morandin Figueiredo, Oklahoma State University; Jeremiah Mullock, Bayer Crop Science AG
9:35 AM
Evaluating High Biomass Sorghum Yields and Nitrogen Use Efficiency in Missouri.
Michael J. W. Maw, University of Missouri; James Houx, National Crop Insurance Services; Felix B. Fritschi, University of Missouri
9:50 AM
10:05 AM
Daycent Simulations to Test the Influence of Nitrogen Fertilization in Bioenergy Sorghum Production.
Yong Wang, Texas A&M AgriLife Research; Fugen Dou, Texas Agrilife Research-Beaumont; Keith Paustian, Colorado State University; Stephen J. Del Grosso, United States Department of Agriculture; Frank M. Hons, Texas A&M University
10:20 AM
Nitrogen Supply and Harvest Dates Effects on Nutrient Removal and Biomass Chemical Composition of Energy Cane.
Marilyn Sebial Dalen, School of Plant, Environmental, and Soil Sciences, Louisiana State University; Samuel Kwakye, Louisiana State University AgCenter; Kun Jun Han, LSU Agricultural Center - Baton Rouge; Saoli Chanda, Louisiana State University; Brenda Tubana, Louisiana State University AgCenter
10:35 AM
Nutrient Content and Partitioning Patterns in Sugarcane Ratoon.
Jose Marcos Leite, University of Sao Paulo; Ignacio Antonio Ciampitti, Kansas State University; Eduardo Mariano, University of Sao Paulo; Michele Xavier Vieira Megda, CENA/USP; Paulo Cesar Ocheuze Trivelin, CENA, University of São Paulo
10:50 AM
Switchgrass Rhizosphere Microflora Community Structure and Nutrient Acquisition As a Function of Nitrogen and Cultivar.
Anne E. Sawyer, University of Minnesota; Carl J. Rosen, University of Minnesota; John A. Lamb, University of Minnesota; Craig C. Sheaffer, University of Minnesota; Michael Jay Sadowsky, University of Minnesota; Jessica Gutknecht, University of Minnesota, Twin Cities
11:05 AM
Recovery of 15N By Tillage Radish and Rye Cover Crop in Arkansas.
Kelsey Hoegenauer, University of Arkansas; Trenton L. Roberts, University of Arkansas; Nathan A. Slaton, University of Arkansas; William Jeremy Ross, University of Arkansas; Chester Eugene Greub, University of Arkansas; Jarom Davidson, University of Arkansas
11:20 AM
Phosphorus Placement and Rate in Reduced Tillage Systems.
Cristie L Edwards, Potash Corp. of Saskatchewan; Dorivar A. Ruiz Diaz, Kansas State University; David B. Mengel, Kansas State University
11:35 AM
Trends in Soil Test Phosphorus Dynamics Following Long-Term Application of Poultry Litter and Commercial Fertilizers.
Zhixuan Qin, University of Delaware; Amy L. Shober, University of Delaware; Shawn Tingle, University of Delaware
11:50 AM
Lunch Break
1:00 PM
Critical Trifoliolate Leaf and Petiole Potassium Concentrations for Soybean Beyond the R2 Growth Stage.
Rasel Parvej, Virginia Tech Tidewater Agricultural Research & Extension Center; Nathan A. Slaton, University of Arkansas; Trenton L. Roberts, University of Arkansas; Larry C. Purcell, University of Arkansas; Russell E. DeLong, University of Arkansas; Matthew S. Fryer, University of Arkansas
1:15 PM
Calcium Uptake of Peanut Seeds By Developmental Stages.
Rui Yang, University of Idaho; Julie A. Howe, Auburn University; Glendon Harris, University of Georgia; Kris B. Balkcom, Auburn University
1:30 PM
Understanding Fertilizer Toxicity Symptom Development through High Resolution Imaging.
Isaac Madsen, Washington State University; William L Pan, Washington State University
1:45 PM
Calibration and Categorization of Plant Available Silicon in Louisiana Agricultural Soils.
Tapasya Babu, Louisiana State University; Brenda Tubana, Louisiana State University AgCenter; Wooiklee Paye, Louisiana State University; Brandon White, Louisiana State University; Payton Dupree, Louisiana State University; Marilyn Sebial Dalen, LSU Agricultural Center - Baton Rouge; Daniel Munoz Forestieri, Louisiana State University; Flavia Agostinho, Louisiana State University
2:00 PM
Precise Nitrogen Cycling Under Row Crops with Microbial Husbandry.
Patrick M. Ewing, University of Minnesota; Nicholas R. Jordan, University of Minnesota; Alwyn Williams, University of Minnesota; Sheri Huerd, University of Minnesota
2:15 PM
Afternoon Break
2:30 PM
Double Cropping of Corn Silage Rotations with Winter Cereals As Forage Crop.
Sarah E Lyons, Cornell University; Quirine M. Ketterings, Cornell University; Shona Ort, Cornell University; Gregory Godwin, Cornell University; Karl J. Czymmek, Cornell University; Sheryl Swink, Cornell University; Thomas F. Kilcer, Advanced Ag Systems
2:45 PM
The Effect of Long Term Nitrogen Deposition on the Structure and Function of Soil Microbial Communities.
Corianne Tatariw, University of Maine; Jean MacRae, University of Maine; Kevin S Simon, The University of Auckland; Ivan J. Fernandez, University of Maine; Marie-Cecile Gruselle, University of Maine
3:00 PM
The Effect of Nitrogen Release Technologies and Total Nitrogen on Color and Quality of Kentucky Bluegrass.
Julie H. Campbell, University of Connecticut; Jason J. Henderson, University of Connecticut; Thomas F. Morris, University of Connecticut; Karl Guillard, University of Connecticut; John C. Inguagiato, University of Connecticut; Steven Rackliffe, University of Connecticut; Victoria H. Wallace, UCONN; Anna Legrand, University of Connecticut
3:15 PM
Concluding Remarks
3:20 PM