126 Phosphorus and Potassium

Oral Session
S08 Nutrient Management & Soil & Plant Analysis

management of phosphorus and potassium nutrient sources. crop responses to P and K


Soil Fertility & Plant Nutrition
Monday, November 1, 2010: 12:55 PM-4:10 PM
Hyatt Regency Long Beach, Seaview Ballroom A, First Floor

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Daniel E. Kaiser
12:55 PM
Introductory Remarks
1:00 PM
P Fertilizer Production and Technology.
William M. Stewart, International Plant Nutrition Institute Americas Group
1:15 PM
Potash Fertilizer Production and Technology.
Robert Mikkelsen, International Plant Nutrition Institute
1:30 PM
Potassium Nutrition of Corn as Affected by the Rootworm Resistance Trait.
Antonio Mallarino, Iowa State University; Matthew Clover, Agrium Advanced Technologies
1:45 PM
Yield Response to Starter Fertilizers Mixes Containing Either N, P, or K On High Testing Soils for Two Corn Hybrids in Minnesota.
Daniel E. Kaiser, University of Minnesota; Michael Pinney, University of Minnesota; Bruce Potter, University of Minnesota; Kenneth Ostlie, University of Minnesota
2:15 PM
Correlation of Soybean Yield Response to Phosphorus Fertilization with the Mehlich-3 Soil Test.
Nathan Slaton, University of Arkansas; Russell DeLong, University of Arkansas; Bobby Golden, Delta Research and Extension Center
2:00 PM
2:30 PM
Injected Slurry Sludge Provides Starter P for Silage Corn.
Shabtai Bittman, Agriculture and Agri-Food Canada; Aiguo Liu, Agriculture and Agri-Food Canada; Derek Hunt, Agriculture and Agri-Food Canada; C. Grant Kowalenko, Agriculture and Agri-Food Canada; Frederic Bounaix, Agriculture and Agri-Food Canada
2:45 PM
Available Phosphorus by Five Different Soil Testing Methods and Fractionation in Southwest Florida Vegetable Production.
Shinjiro Sato, Soka University; Kelly T. Morgan, University of Florida; Kamal Mohmoud, University of Florida; Smita Barkataky, University of Florida; Assma Zekri, University of Florida
3:00 PM
Phosphorus Availability to Wheat From Biosolids.
Angela Ebeling, Wisconsin Lutheran College; Alexis Rwatambuga, Wisconsin Lutheran College
3:15 PM
Identifying Positions in Two Sugarcane Fields for Studying Phosphorus Movement Using Spatial Variability.
Augustine Muwamba, University of Florida; Kelly Morgan, University of Florida; Peter Nkedi-Kizza, University of Florida; Sabine Grunwald, University of Florida; Willie Harris, University of Florida; Howard Beck, University of Florida
3:30 PM
Effect of Rainy Season, Irrigation Method and Fertigation Frequency On Citrus Root Length Density, P and K Distribution On a Florida Spodosol.
Davie Kadyampakeni, Soil and Water Science Department, University of Florida; Kelly Morgan, University of Florida; Arnold Schumann, Citrus Research and Education Center, University of Florida; Peter Nkedi-Kizza, Soil and Water Science Department, University of Florida; Thomas Obreza, Soil and Water Science Department, University of Florida
3:45 PM
3:55 PM