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770 Measurement and Management of Soil Potassium and Phosphorus Availability

Oral Session
S08 Nutrient Management & Soil & Plant Analysis
Wednesday, 8 October 2008: 1:10 PM-2:45 PM
George R. Brown Convention Center, 371A

Presiding:
Rebecca Gilfillen
1:10 PM
Introductory Remarks
1:15 PM
770-1
Assessment of Plant-Available Potassium in Soils.
Timothy Porter, Purdue Univ.; George Van Scoyoc, Purdue Univ.; Brad Joern, Purdue Univ.
1:30 PM
770-2
Grid Sampling or Conventional Sampling to Guide Site Specific Recommendations of Phosphorus and Potassium in Small Crop Fields in West Virginia.
Eugenia Pena-Yewtukhiw, West Virginia University; Edward B. Rayburn, West Virginia University; Craig Yohn, West Virginia University; J. Timothy Fullen, Fullen Fertilizer Co, Inc
1:45 PM
770-3
Building up Soil P and K in Low Testing Soybean, Rice, Fescue and Cotton Fields.
Matthew Rhine, University of Missouri; William Stevens, University of Missouri; David Dunn, University of Missouri; Steven Glenn Hefner, USDA-NRCS
2:00 PM
770-4
Bermudagrass Yield and Mehlich-3 Phosphorus Response to Phosphorus Fertilization.
Nathan Slaton, Univ. of Arkansas; Russell DeLong, University of Arkansas; Colin Massey, University of Arkansas; Bobby Golden, University of Arkansas; Elliot Maschmann, University of Arkansas
2:15 PM
770-5
Spatial and Temporal Distribution of Phosphorus (P) and Potassium and P Forms in Sandy Soils Cropped with Tomatoes under Seepage Irrigation.
Shinjiro Sato, Univ. of Florida; Kelly Morgan, University of Florida; Monica Ozores-Hampton, Univ. of Florida
2:30 PM
770-6
Application of Mid-Infrared Photoacoustic Spectroscopy in the Prediction of Soil Properties.
Du Changwen, Institute of soil Science Chinese Academy of Sciences; Jianmin Zhou, Institute of soil Science Chinese Academy of Sciences; Wang Huoyan, Institute of soil Science Chinese Academy of Sciences; Chen Xiaoqin, Institute of soil Science Chinese Academy of Sciences; Avi Shaviv, Israel Institute of Technology; Raphael Linker, Israel Institute of Technology
2:45 PM
Adjourn
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