Session: Potassium Science and Management (ASA, CSSA and SSSA International Annual Meetings (2015))

391 Potassium Science and Management

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

Organizers:

Carrie A.M. Laboski and Joshua M. McGrath

Moderator:

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

Audio File Recorded Presentation

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

Audio File

1:35 PM

Impact of Maize Ear Leaf K and Macro-Nutrient Ratios on Grain Yield in the Midwest.
Robert O. Miller, Colorado State University; Tim J Smith, Cropsmith Inc.

Audio File Recorded Presentation

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

Adjourn