39 Symposium--Fertilizer Efficiency, Crop Yields, and Environmental Impacts/Div. A05 Business Meeting

Oral Session
A05 Environmental Quality
Considering the skyrocketing prices of fertilizers, now is the time to focus attention on enhanced efficiency fertilizers that provide yield/crop quality benefits as well as reduces environmental impacts. This symposium will address these concerns.

A08 Integrated Agricultural Systems, Soil Fertility & Plant Nutrition

Monday, November 2, 2009: 9:55 AM-5:00 PM
Convention Center, Room 335, Third Floor

John Kovar and Bryan Hopkins
James Ippolito and Bryan Hopkins
9:55 AM
Introductory Remarks
10:00 AM
What Do We Need to Know about Crop Production to Feed Nine Billion Humans?.
Tony Vyn, Purdue Univ.; Kenneth Cassman, Univ. of Nebraska; Thijs Tollenaar, Univ. of Guelph
11:00 AM
12:00 PM
2:15 PM
2:30 PM
Evaluation of Three New Nitrogen Fertilizers On Yield and Nitrogen Efficiency in Winter Wheat and Corn.
Sheri Cahill, North Carolina State Univ.; Deanna Osmond, North Carolina State Univ.; Ronnie Heiniger, North Carolina State Univ.
3:00 PM
Towards An Agronomic Assessment of N2O Emissions.
Chris van Kessel, Univ. of California, Davis; Jan Willem van Groenigen, Wageningen Univ. & Res. Centre; Kees Jan Van Groenigen, Trinity College Dublin; Oene Oenema, Alterra, Wageningen Univ. and Res. Centre; Gerard L. Velthof, Wageningen Univ. & Res. Centre
3:15 PM
3:30 PM
Division A5 Business Meeting
5:00 PM