309 P Fertilizers and Strategies to Improve Efficiency

Oral Session
S08 Nutrient Management & Soil & Plant Analysis Phosphorus readily reacts with soil constituents to make it insoluble and unavailable to plants. Various fertilizers and strategies to maximize solubility and improve P use efficiency will be discussed.


Soil Fertility & Plant Nutrition
Tuesday, October 23, 2012: 1:00 PM-3:50 PM
Duke Energy Convention Center, Room 200, Level 2

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Frank Sikora
Rao Mylavarapu
1:05 PM
Increasing Phosphorus Efficiency: An Investigation of Phosphorus Uptake Mechanisms In the Rhizosphere of Various Wheat Culivars.
Patrick Bell, Oklahoma State University; Chad J. Penn, Oklahoma State University; Daryl Arnall, Oklahoma State University; Brett Carver, Oklahoma State University; Arthur Klatt, Oklahoma State University
1:20 PM
Improving Plant Access to Insoluble Phytate: A Combinatorial Strategy of Plant and Bacterial Solubilization and Hydrolysis Processes.
Courtney Giles, University of Vermont; Lisa Hsu, AgResearch; Brook Clinton, University of Vermont; Gregory K. Druschel, University of Vermont; Mark Hurst, AgResearch; Alan E. Richardson, CSIRO; Jane Emily Hill, University of Vermont
1:35 PM
Can Controlled-Release Phosphate Fertilizer Improve Phosphorus Efficiency?.
Sampson Agyin-Birikorang, International Fertilizer Development Center (IFDC); Upendra Singh, International Fertilizer Development Center (IFDC); Joaquin Sanabria, International Fertilizer Development Center (IFDC); Wendie Bible, International Fertilizer Development Center (IFDC)
1:50 PM
Effectof Sokoto Rock Phosphate and Single Super Phosphate in Cassava-Based Cropping Systems.
Ogeh S. Joseph, University of Benin; G. O. Adeoye, University of Ibadan
2:05 PM
2:20 PM
Phosphorus Speciation in Plant Parts of Wheat and Canola Is Affected by Phosphorus Supply.
Sarah R. Noack, The University of Adelaide; Michael McLaughlin, University of Adelaide; Ronald Smernik, The University of Adelaide; Therese McBeath, CSIRO; Roger Armstrong, Department of Primary Industries, Victoria
2:35 PM
Visualization of Phosphorus and Zinc Diffusion From Fertilizers.
Fien Degryse, University of Adelaide; Babasola Ajiboye, University of Adelaide; Roslyn Baird, University of Adelaide; Mike McLaughlin, University of Adelaide
2:50 PM
Diffusion, Fate and Reaction Products of Phosphate Fertilizers with Varying Solubility Applied to a Tropical Soil.
Rodrigo C. Silva, University of Sao Paulo / ESALQ; Ganga Hettiarachchi, Kansas State University; Takashi Muraoka, University of São Paulo / Center for Nuclear Energy in Agriculture; Sen H. Chien, Formerly with International Fertilizer Development Center (IFDC)
3:05 PM
(Lack of) Effect of Cation-Complexing Compounds On Phosphorus Fertilizer Efficiency.
Michael McLaughlin, University of Adelaide; Fien Degryse, University of Adelaide; Babasola Ajiboye, University of Adelaide; Roslyn Baird, University of Adelaide
3:20 PM
Phosphorus and Organic Acid Bonding Enhances Uptake Efficiency in Crop Plants.
Bryan G. Hopkins, Brigham Young University; Mike Hill, Brigham Young University
3:35 PM