336 Symposium--Understanding Yield Variability

Oral Session
ASA Section: Agronomic Production Systems This symposium will provide a state-of-the-art update on how what we know about the causes for yield variability and its management. To improve the resilience and adaptability of crop production systems it is critical that we understand the causes and management practices designed to overcome these limitations.


Precision Agriculture Systems Community
Soil Fertility & Plant Nutrition
Sensor-Based Nutrient Management Community
Wednesday, October 24, 2012: 12:55 PM-2:15 PM
Duke Energy Convention Center, Room 263, Level 2

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Community Leader:
David Clay
Stephanie Hansen
1:00 PM
Evaluating the Potential for Precision Management in Irrigated Rice Fields.
Maegen Simmonds, University of California-Davis; Bruce Linquist, University of California, Davis; José M. Peña-Barragán, Institute for Sustainable Agriculture, CSIC; Richard E. Plant, University of California-Davis; Chris van Kessel, University of California-Davis
1:30 PM
Science-Based Zone Mapping for Site-Specific N Management in Dryland Wheat-Based Cropping Systems On Complex, Pacific Northwest Palouse Landscapes.
Emily A. Bruner, Washington State University; David Brown, Washington State University; David Huggins, USDA-ARS; Erin Brooks, University of Idaho; Jan U. Eitel, University of Idaho; Troy Magney, University of Idaho; Lee Vierling, University of Idaho; Matteo Poggio, Washington State University; Tabitha T. Brown, Washintgon State University
1:45 PM
In Season Corn Yield Prediction Using Corn Growth Parameters in a Conventional till and No till System.
Jason Williams, Lincoln University; Nsalambi Nkongolo, Lincoln University of Missouri
2:00 PM
Winter Grazing Impacts On Soils and Following Crops.
David Wright, University of Florida; James Marois, University of Florida, IFAS; Sheeja George, University of Florida
2:15 PM