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