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237 Symposium--Agronomic and Economic Optimum Fertilizer Rates in An Era of Volatile Fertilizer and Commodity Prices

Oral Session
S08 Nutrient Management & Soil & Plant Analysis
Trends in the global economy and energy supplies have caused significant volatility in prices of crop production inputs and commodities. This session will focus on nutrient management tools to cope with volatile prices.
Cosponsor(s):

Soil Fertility & Plant Nutrition

Tuesday, November 3, 2009: 9:55 AM-12:20 PM
Convention Center, Spirit of Pittsburgh Ballroom BC,Third Floor

Presiding:
Michael Ottman
Organizer:
Michael Ottman
9:55 AM
Introductory Remarks
10:00 AM
237-1
World Fertilizer and Supply and Demand Considerations.
Kim Polizotto, Potash Corp. of Saskatchewan
Audio File Recorded presentation
10:25 AM
237-2
Scientific Considerations for Allocating Funds to Various Fertilizer Nutrients.
T. Scott Murrell, Intl. Plant Nutrition Inst.
Audio File Recorded presentation
10:50 AM
237-3
Reducing Uncertainty and Effects of Fertilizer and Commodity Prices On Estimates of Economic Optimum Rates.
Thomas Morris, Univ. of Connecticut; Peter Kyveryga, Iowa Soybean Assoc.; Alfred M. Blackmer, Iowa State Univ.; Tracy Blackmer, Iowa Soybean Assoc.
Audio File Recorded presentation
11:10 AM
237-4
Identification of Nitrogen Management Categories to Reduce Uncertainty in Estimates of Economic Optimum Rates.
Peter Kyveryga, Iowa Soybean Assoc.; Haiying Tao, Univ. of Connecticut; Thomas Morris, Univ. of Connecticut; Tracy Blackmer, Iowa Soybean Assoc.
Audio File Recorded presentation
11:30 AM
237-5
Fertilizing Based On Soil Testing and Sensor Technology.
Hailin Zhang, Oklahoma State Univ.; David Nofziger, Oklahoma State Univ.; William Raun, Oklahoma State Univ.; Daryl Arnall, Oklahoma State Univ.
Audio File Recorded presentation
11:50 AM
237-6
Modifying Yield-Goal Based N and P Fertilizer Recommendations to Varying Input and Output Prices.
Kevin Dhuyvetter, Kansas State Univ.; Terry Kastens, Kansas State Univ.; Dorivar Ruiz Diaz, Kansas State Univ.
Audio File Recorded presentation
12:10 PM
Concluding Remarks
12:20 PM
Adjourn
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