Wednesday, 9 November 2005: 8:25 AM
Convention Center,, Room 251D, Upper Level
293: Soil and Plant Analysis Calibration
Sponsor:S08 Nutrient Management & Soil & Plant Analysis
8:25 AM Introductory Remarks
8:30 AM293-1Extractable Soil Phosphorus, Correlation with P Forms in Soil Runoff, and Relationships. 
James B. Akin, Texas A&M University, Freddy J. Jacoby, Texas A&M University, Sam Feagley, Texas Cooperative Extension - Texas A&M University, Todd Carpenter, Texas Cooperative Extension - Texas A&M University
8:45 AM293-2Evaluating Bray P1 on High pH, Calcareous Soils. 
Angela Ebeling, Dept of Soil Science-Univ. WI, Aaron Kittell, Wisconsin Lutheran College, Daniel D. Ebeling, Wisconsin Lutheran College, Larry Bundy, Dept. of Soil Science-Univ. WI
9:00 AM293-3Interaction of Exchangeable Al and Organic Matter in No-Till Cropping Systems.
Chad Godsey, Kansas State University, Dave Mengel, Kansas State University, Gary Pierzynski, Kansas State University
9:15 AM293-4Making Urea Work in No-Till. 
Joao A. S. Medeiros, University of Missouri - Columbia, Peter Scharf, Univ. of Missouri, Larry Mueller, Univ. of Missouri
9:30 AM293-5Simulation of Ammonia Volatilization from Urea Fertilizer in Intensive Wheat and Maize Cropping System. 
Yong Li, The University of Melbourne, Deli Chen, The University of Melbourne, Robert White, The University of Melbourne, Yuming Zhang, Institute of Genetics and Developmental Biology, Guixin Cai, Chinese Academy of Sciences
9:45 AM Break
10:00 AM293-6Field Calibration of the Ammonium-Acetate Soil Potassium Test Based on Field-Moist and Dried Samples for Corn and Soybean. 
Pedro A. Barbagelata, Iowa State University, Antonio P. Mallarino, Iowa State University, David J. Wittry, Iowa State University
10:15 AM293-7Relationships between Soil-Test Potassium, Grain Yield, and Potassium Removal in Corn-Soybean Rotations. 
Antonio P. Mallarino, Iowa State University, Mario Valadez-Ramirez, Iowa State University
10:30 AM293-8Quality of Corn Grain Fertilized Either with Nutrient Sufficiency or Nutrient Balance Protocols.
A. A. Marchi, Plant and Soil Science Department, J. H. Grove, Plant and Soil Science Department, W. Pearce, Plant and Soil Science Department, D. M. Tekrony, Plant and Soil Science Department
10:45 AM293-9An Empirical Two-Factor Model for Nitrogen Release from Control-Release Fertilizers in Wisconsin Loamy Sand. 
Ryosuke Fujinuma, University of Wisconsin - Madison, Nick J Balster, University of Wisconsin - Madison
11:00 AM293-10A National Database of Fertiliser Responses and Soil Test Calibrations for the Grazing Industries in Australia. 
Andrew P. Smith, Primary Industries Research Victoria, Cameron J. P Gourley, Primary Industries Research Victoria, Alice R. Melland, Primary Industries Research Victoria, Ken I. Peverill, KIP Consultancy Services Pty Ltd, Ivor Awty, Primary Industries Research Victoria, Jim M. Scott, University of New England, Paul Strickland, Primary Industries Research Victoria
11:15 AM293-11Evaluation of Nitrogen Release Patterns from Controlled-Release Fertilizers for Citrus Production. 
Carolina Medina, University of Florida, Thomas Obreza, Univ. of Florida, Jerry Sartain, Univ. of FL-Soil & Wtr. Dept.
11:30 AM Adjourn

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