391 Potassium Science and Management

Oral Session
SSSA Division: Soil Fertility & Plant Nutrition
This session will focus on the science and management of potassium in the context of soil fertility and plant nutrition.

Approved for 1.0 NM CEUs.


Soil Fertility & Plant Nutrition
Nutrient Management & Soil & Plant Analysis

Wednesday, November 18, 2015: 1:00 PM-2:20 PM
Minneapolis Convention Center, L100 E

Carrie A.M. Laboski and Joshua M. McGrath
Leticia S. Sonon
1:00 PM
Introductory Remarks
1:05 PM
Evaluation of Field-Moist and Dry Soil Extraction on Mehlich-3 Potassium Availability on Loamy Soils from Arkansas.
Nathan A. Slaton, University of Arkansas; Priscila Oliveira Martins, University of Sao Paulo; Richard J. Norman, University of Arkansas; Trenton L. Roberts, University of Arkansas
1:20 PM
Can Nutrient Uptake Models be Used to Improve Potassium Management in Maize Production Systems?.
John L. Kovar, USDA-ARS National Laboratory for Agriculture and the Environment; Sylvie M. Brouder, Purdue University
1:35 PM
1:50 PM
Evidence for the Role of Potassium Nutrition in Drought Management: A Scoping Study and Meta-Analysis.
Elizabeth Trybula, Purdue University; Pauline Chivenge, International Crops Research Institute for the Semi-Arid Tropics (ICRISAT); Sylvie M. Brouder, Purdue University; Jeffrey J. Volenec, Purdue University
2:05 PM
Salt Tolerance and K/Na Ratio of Perennial Ryegrass, Tall Fescue, and Orchardgrass Species Under Salinity Stress in Saudi Arabia.
Nasser S. Al-Ghumaiz, Qassim University; Essam M Abd-Elmoniem, Qassim University; Mohamed I Motawei, Qassim University
2:20 PM