33 Sensor Based Nutrient Management (includes student competition)

Oral Session
ASA Section: Agronomic Production Systems

Approved for 2.0 NM CEUs


Sensor-Based Nutrient Management Community

Monday, November 7, 2016: 7:45 AM-10:00 AM
Phoenix Convention Center North, Room 126 B

D. Brian Arnall
7:45 AM
Introductory Remarks
8:00 AM
Active Canopy Sensing and Soil Nitrogen Content for Corn Nitrogen Management in Minnesota.
Gabriel Dias Paiao, University of Minnesota; Fabian G. Fernandez, University of Minnesota; Daniel E. Kaiser, University of Minnesota; Jared A. Spackman, University of Minnesota
8:15 AM
Impact of in-Season Variable Rate Nitrogen Management on Corn Yield and Nitrate Losses in Minnesota.
Aicam Laacouri, University of Minnesota - Twin Cities; David Mulla, University of Minnesota; Grace Wilson, University of Minnesota; Jeffrey A. Vetsch, University of Minnesota; Jacob Galzki, University of Minnesota
8:30 AM
Relation Among Early-Season Canopy Reflectance Readings, Leaf N Content, Stalk N Removal Rate, and Yield of Cane Treated with Varying Sources and Rates of N Fertilizer in Louisiana Production System.
Daniel Forestieri, Louisiana State University AgCenter; Brenda Tubana, Louisiana State University AgCenter; Yumiko Kanke, Louisiana State University AgCenter; Murilo Martins, Louisiana State University AgCenter; Marilyn Sebial Dalen, Louisiana State University AgCenter; Samuel Kwakye, Louisiana State University AgCenter; Joseph Garrett, Louisiana State University AgCenter
8:45 AM
Combined Leaf and Canopy Reflectance Measurements Indicate Crop Utilization of N Fertilizer in Real-Time and Predict Response to N Topdress in Spring Wheat.
Mark Lundy, University of California Cooperative Extension; Steven D. Wright, UC Agriculture and Natural Resources; Robert Hutmacher, University of California-Davis; Nicholas Clark, University of California Cooperative Extension; Steve B. Orloff, UC Agriculture and Natural Resources
9:00 AM
In-Season Assessment of Cotton N Status from an Inexpensive Digital Camera.
Tyson Brant Raper, University of Tennessee - Knoxville; Edward M. Barnes, Cotton Incorporated; Michael Buschermohle, University of Tennessee; Antonio Ray Asebedo, Kansas State University; Lori Duncan, Univeristy of Tennessee; Shawn Butler, University of Tennessee - Knoxville; Robert Freeland, University of Tennessee
9:15 AM
Active Optical Sensing for Irrigated Durum Wheat: Separating Nitrogen and Water Effects.
Kevin F. Bronson, USDA-ARS; Jeffrey W. White, USDA-ARS; Matthew Conley, USDA-ARS; Doug J. Hunsaker, USDA-ARS; Kelly Thorp, USDA-ARS; Jarai Mon, USDA-ARS; Andrew N French, USDA ARS ALARC
9:45 AM
Fusing Regional Soil and Weather Variability with Site-Specific Canopy Reflectance for Improved In-Season Nitrogen Fertilizer Recommendation.
Gregory Mac Bean, University of Missouri; Newell R Kitchen, USDA-ARS; Richard B. Ferguson, University of Nebraska-Lincoln; J. J. Camberato, Purdue University; Carrie A.M. Laboski, University of Wisconsin-Madison; John E. Sawyer, Iowa State University; Fabián G. Fernández, University of Minnesota; David Franzen, North Dakota State University; Emerson D. Nafziger, University of Illinois at Urbana-Champaign; Paul R. Carter, DuPont Pioneer; John Shanahan, P & G Farms