NEWS
Soil Test Tweaks
Dan Davidson DTN Contributing Agronomist
Wed Aug 14, 2013 03:02 PM CDT

Fall is a good time to pull soil samples. Beyond getting the sample analyzed by a reputable laboratory, growers also need to consider what kind of test is being run -- particularly when it comes to potassium.

Traditionally, soil laboratories dry soil samples, grind them, scoop out a volumetric sample (instead of weighing) and use an extracting method to analyze for nutrients. That has been the tried-and-true method on which soil calibrations and fertilizer recommendations have been based for years.

However, as we learned last year, a soil analysis during a drought period will underestimate the amount of potassium available. ...

Quick View
  • The New Dicamba At an event exhibiting the company's soon-to-arrive Dicamba-tolerant soybean trait, Monsanto repr...
  • Rates Too Low Too Long Discounted interest rates have led to unintended consequences in land values, a shortage of funds...
  • Center Pivots Take a Beating Severe storms in mid-June have damaged hundreds of center pivot irrigation systems in Nebraska al...
  • "Easy Money Times Over" Feeding the world population won't be as hard as expected over the next decade some experts forec...
  • A Hunger for High-Tech The Gruhlkey brothers of Wildorado, Texas, are using technology and thoughtful cropping choices t...
  • Clearing the Air EPA Administrator Gina McCarthy told a group of agribusiness representatives that her agency want...
  • No More Outlaw Vets Veterinarians can start breathing a little easier now when they go to work, without the fear that...
  • Ask the Vet My vet diagnosed anaplaz and I've never heard of that.
Related News Stories
Study: Wetlands Lost to Ag
Dr. Dan Talks Agronomy
Soil Renaissance Begins
Corn Planting Into Dust
Never-Till Nirvana
Blanket Statement
Ag's Great Affluenza - 6
Cover Crops Expand Nationally