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OPTIMIZING CARBON & NITROGEN ANALYSIS

Jessica Mannix - Applications Chemist - Elementar Americas

Tuesday - April 22, 2025  /  10 a.m.


ADVANCING SOIL ANALYSIS with ICPOES

Greg Gilleland - Application Scientist Agilent Technologies

Friday - March 28, 2025  /  11 a.m.


2025 ALP PROGRAM UPDATE

Robert O. Miller - ALP Program Technical Director

Friday - February 28, 2025  /  11 a.m.


SOIL BUFFER PH METHODS & INTERPRETATION

Robert O. Miller - ALP Program Technical Director

Wednesday - January 29, 2025  /  11 a.m.


COLLECTING REPRESENTATIVE SOIL SAMPLES

Robert O. Miller - Colorado State University

August 27, 2024

Strategies for Collecting Representative Soil Samples

U.S. LIMING - ANALYSIS OF REC SYSTEMS

Dr. John Jones - U of IL Soil Fertility Extension Specialist

July 29, 2024

U.S. Liming - Analysis of Lime Recommendation Systems

DRAWDOWN OF SOIL P BY CROP REMOVAL

Dr. Luke Gatiboni - NC State Univ.

June 25, 2024

Drawdown of soil phosphorus by crop removal:          A meta-analysis of fields with halted fertilization

STATUS of US SOIL P & K RECS & METHODS

John T. Spargo - Penn State

May 28, 2024  

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

SOIL ORGANIC CARBON - ANALYTICAL METHODS

Graham Lancaster - Sr. Manager So. Cross Analytical Research Services - EAL / ARL

April 23, 2024  

Methods & CFI (Carbon Farming Initiative) Australia

SOIL TEST P & K / DIFFERENT SOIL DEPTHS

Muhammad Rasel Parvej Assist Professor & St. Fertility Specialist Louisiana St. Univ. AgCenter

March 26, 2024  

Correlation & Calibration of Soil Test P & K from Different Soil Depths / Soybean Yield

ECONOMICS OF K FERTILIZER RATE RECS

Michal Popp, Ph.D. - Agricultural Economist Univ. of Arkansas

March 5, 2024  

Economics of K Fertilizer Rate Recommendations

ALP CARBON SOIL TESTING PROGRAM

Robert O. Miller, Ph.D. ALP Tech. Director & SPAC Secr.

February 22, 2024  

ALP Carbon Soil Testing Program Update

FERT RECS SUPPORT TOOL (FRST)

Fertilizer Recommendation Support Tool (FRST) 

* July 27, 2023 

Greg Buol

North Carolina State University


NATIONAL SOIL STRATIFICATION STUDY

A National Soil Stratification Study 

* June 20, 2023

Steve Culman - Assoc. Professor

Washington State University


SOYBEAN P & K NUTRIENT RESPONSE

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

* May 30, 2023

Nathan Slaton - Assoc. VP of Ag

University of Arkansas


MEASURING ILLINOIS SOIL OVER A CENTURY

Measuring Over a Century of Soil Change in Illinois

* April 27, 2023

Andrew Margenot, Ph.D.

University of Illinois


ICP ANALYSIS & CALIBRATION

ICP Analysis & Calibration

* March 7, 2023

Jason Lessl, Ph.D.

University of Georgia

LAB ANALYSIS METHOD FAILURES

Lab Analysis Method Failure Analysis 

* January 24, 2023

Robert O. Miller, Ph.D. 

ALP Technical Director & SPAC Secretary


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