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358 Site Specific Nutrient Management: I

Oral Session

Latest technology on variable rate and site specific management of fertilizer nutrients for crop production.

S04 Soil Fertility & Plant Nutrition
Wednesday, October 19, 2011: 8:00 AM-11:05 AM
Henry Gonzalez Convention Center, Room 211, Concourse Level
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Organizer:
Merle Vigil
Presider:
Alan Schlegel
8:00 AM
Introductory Remarks
8:05 AM
358-1
Nitrogen Management for Production of Hybrid Bermudagrass Hay In Tennessee.
Timothy Carter, University of Tennessee, Extension; Hubert Savoy, University of Tennessee, Extension; Brian Leib, University of Tennessee, Extension
Recorded Presentation Audio File
8:20 AM
358-2
Improving Nitrogen Recommendations for Winter Wheat In Arkansas.
Trenton Roberts, University of Arkansas; Nathan Slaton, University of Arkansas; Richard Norman, University of Arkansas; Jason Kelley, University of Arkansas Division of Agriculture Extension
Recorded Presentation Audio File
8:35 AM
358-3
Assessing Field-Scale Effects of Controlled Tile Drainage On N Mass Balance From Corn and Soybean Fields In Eastern Ontario, Canada.
Vinay Nangia, International Center for Agricultural Research in the Dry Areas (Formerly with Agriculture and Agri-Food Canada); Mark Sunohara, Agriculture and Agri-Food Canada; Ed Topp, Agriculture and Agri-Food Canada; Natalie Gottschall, Agriculture and Agri-Food Canada; Craig F. Drury, Agriculture and Agri-Food Canada; Mohamed A. Youssef, North Carolia State University; David R. Lapen, Agriculture and Agri-Food Canada
8:50 AM
358-4
Predicting Nitrogen Use Efficiency and Grain Protein In Winter Wheat Using Greenseeker NDVI.
Natasha Macnack, Oklahoma State University; Jeremiah Mullock, Oklahoma State University; Kevin Waldschmidt, Oklahoma State University; Jonathan Kelly, Oklahoma State University; Emily Ruto, Oklahoma State University; William Raun, Oklahoma State University
Recorded Presentation Audio File
9:05 AM
358-5
Long-Term No-till, Crop Rotation, and Terrain Attribute Effects On Soil Nitrogen.
Rachel Unger, Washington State University; David Huggins, Washington State University; Ian Burke, Washington State University; Dave Uberuaga, Washington State University
9:20 AM
358-6
Nitrogen Response and Sensor Technology In Western Kansas.
Kent Martin, Kansas State University; David Mengel, Kansas State University; Alan Schlegel, Kansas State University; Douglas Shoup, Kansas State University
9:35 AM
Break
9:50 AM
358-7
Building a Corn Nitrogen Rate Database for Minnesota's Irrigated Sandy Soils.
John Lamb, University of Minnesota; Phyllis Bongard, University of Minnesota; Daniel Kaiser, University of Minnesota; Carl Rosen, University of Minnesota; John Rubin, University of Minnesota
10:05 AM
358-8
Categorical Analysis of Spatial Variability In Corn Yield Response to Nitrogen.
Peter Kyveryga, Iowa Soybean Association; Tracy Blackmer, Iowa Soybean Association; Petrutza C. Caragea, Iowas State University
Recorded Presentation Audio File
10:20 AM
358-9
Massive Nitrogen Loss From Midwestern Corn 2008-2010.
Peter Scharf, University of Missouri
Recorded Presentation Audio File
10:35 AM
358-10
Sensor-Based Nitrogen Applications Out-Performed Producer-Chosen Rates for Corn In On-Farm Demonstrations.
Peter Scharf, University of Missouri; Kent Shannon, University of Missouri Extension; Kenneth A. Sudduth, USDA-ARS Cropping Systems & Water Quality Research Unit; Newell Kitchen, USDA-ARS Cropping Systems & Water Quality Research Unit
Recorded Presentation Audio File
10:50 AM
Discussion
11:05 AM
Adjourn
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