2024 FRST Monthly Meetings

Fine-Tunning Potassium Recommendations for Cotton in Arkansas
by Gerson L. Drescher, University of Arkansas System Division of Agriculture

Critical Soil Test Values of Phosphorus and Potassium for Corn and Soybean in North Carolina
by Luke Gatiboni, NC State University

Global Assessment of Potassium Limitation to Crop Yields
by Walter Carciochi, Univ. of Nebraska-Lincoln

2023 FRST-Funded Field Trials

Assessment of Bahia grass Forage Yield and Nutrient Uptake Response to Phosphorus and Potassium Fertilization
by Bronc Finch, Extension Soil Fertility, Univ. of Arkansas

Improving K Fertilizer Recommendations for Corn on the Delmarva Peninsula and Coastal Plain of Virginia
by Mark Reiter, Eastern Shore AREC, Virginia Tech

2023 FRST Field Trial Update – Wisconsin
by John Jones, Department of Soil Science, UW-Madison

Probability of crop response to P and K fertilizer in Ohio
by Steve Culman, Anthony Fulford, Greg LaBarge, Harold Watters, Laura Lindsey, Anne Dorrance, and Leonardo Deiss

Reevaluating Soil-Test-Based Phosphorus and Potassium Recommendations for Soybean
by Muhammad Rasel Parvej, Louisiana State University AgCenter

2021 FRST-Funded Field Trials

Penn State University – 2021 Soybean P and K Response Trials
by Charlie White, Hanna Wells, and John Spargo, Penn State University

Brachiaria decumbens Response to Fertilizer-P in an Ultisol
by David Sotomayor-Ramírez and Kimbery Araya, University of Puerto Rico, Mayagüez

Improving K Fertilizer Recommendations for Corn on the Delmarva Peninsula
by Amy L. Shober and Jarrod O. Miller, University of Delaware, and Nicole Fiorellino, University of Maryland College Park

Evaluation of the Interaction between Potassium and Nitrogen in Corn
by Nutifafa Adotey, Robert Florence, Angela McClure, Ryan Blaire, Forbes Walker, and Sindhu Jagadamma, University of Tennessee

State-Level FRST Soil Test and Calibration Trials: Views from Utah
by Matt Yost, Megan Baker, Mike Pace, Randall Violett, and Steven Price, Utah State University

2021 Minnesota and Iowa K Research Report
by Robert Miller, Colorado State University

Phosphorus on Potato in the Pacific Northwest
by Bryan Hopkins, Brigham Young University

Corn K Research in South Dakota
by Jason Clark, South Dakota State University

On-farm Evaluation of Cotton Potassium Recommendations in South Carolina
by Bhupinder Singh Farmaha, Clemson University

ALTA

2024

May Webinar

Current Status of US Soil Test Phosphorus & Potassium Recommendations & Analytical Methods
by John Spargo

2023

Summer Meeting, Bloomington, IL

Soil Test Correlation & Calibration: Why It’s Important
by Nathan Slaton

July Webinar

Sneak Preview: Fertilizer Recommendation Support Tool (FRST)
by Greg Buol

June Webinar

FRST – Soil Depth Study Analysis
by Steve Culman

May Webinar

Monitoring Soybean Potassium Nutrition & Response to In-Season Applied Granular Fertilizer / Potassium Timing
by Nathan Slaton

Winter Meeting, West Lafayette, IN

Modernizing Fertilizer Recommendations: The Fertilizer Recommendation Support Tool (FRST)
by Sarah Lyons

Meetings & Seminars

2024

SSP-11 Annual Meeting, Bloomington, MN

Seeds of NRSP 11: An origin story for FRST
by John Spargo

National Database and Archived Data Review and Summary by Regions, Crops, and Nutrients
by Nathan Slaton

FRST Minimum Dataset: Survey Results
by Deanna Osmond

Sulfur FRST Committee Updates
by Matt Yost

MASTPAWG, Raleigh, NC

The Fertilizer Recommendation Support Tool (FRST) Overview: A Living Project
by Deanna Osmond and Greg Buol

2023

MASTPAWG, Raleigh, NC

FRST Lime Project Update
by Robert Miller

2022

ASA, CSSA, SSSA International Annual Meeting, Baltimore, MD

Building Collaborative Research Networks to Advance the Science of Soil Fertility

by Deanna Osmond

Soil Fertility and Nutrient Management: The Importance of Data Sharing and Publication

by Sarah Lyons

Soil Test Correlation and the Fertilizer Recommendation Support Tool

by Austin Pearce & Nathan Slaton

ALTA Lab Workshop, Des Moines, IA

FRST Lime Project Overview
by Robert Miller

NRCS Conservation Innovation Grants Seminar

Water Quality – The Importance of Working Together: The Fertilizer Recommendation Support Tool (FRST)
by Deanna Osmond
(viewing requires brief registration)

NCSU Crop and Soil Sciences Seminar

Fertilizer Recommendation Support Tool (FRST): Soil Test Correlation
by Austin Pearce

2021

NCSU Crop and Soil Sciences Seminar

Fertilizer Recommendation Support Tool (FRST): Building a Database for both Legacy and Future Data
by Sarah Lyons

Fertilizer Recommendation Support Tool (FRST): The Power of Working Together
by Deanna Osmond

ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT

Fertilizer Recommendation Support Tool (FRST): An Overview
by Deanna Osmond

Development of Minimum Dataset for Soil Test Correlation and Calibration
by Nathan Slaton

How to Develop a Database for Both Legacy and Current Data: Experiences from FRST
by Sarah Lyons

Publishing Raw Data: How It Helps You, Others and Science and How to Do It
by Sylvie Brouder

Relative Yield: The Importance of Definitions and FRST 
by Austin Pearce

State-Level FRST Soil Test Correlation and Calibration Trials: View from Utah
by Matt Yost

2020

InfoAg Virtual Meeting

FRST: Fertilizer Recommendation Support Tool
by Deanna Osmond

ASA, CSSA, SSSA International Annual Virtual Meeting

Advancing Soil-Test Correlation and Calibration Research with a Minimum Data Set
by Nathan Slaton

Survey of Land-Grant University Soil Test Recommendations and Analytical Methodology
by John Spargo

Fertilizer Recommendation Support Tool (FRST) Legacy Data and Database Update
by Sarah Lyons

2019

ASA, CSSA, SSSA International Annual Meeting, San Antonio, TX

Symposium — Modernization of Soil Testing Recommendations: The Problem

Symposium — Modernization of Soil Testing Recommendations: Current Efforts