About Us

Ag PhD: Information for Agriculture

Hosted by Darren and Brian Hefty, Ag PhD is Information for Agriculture. Around the country and around the world, agriculture producers Watch and Listen to Ag PhD.

For the latest information on how to take your operation from Good to Great, tune into Ag PhD on Television, Radio, or watch and listen on your computer RIGHT HERE. With information ranging from how to maximize your fertilizer program & tiling to stopping those yield-robbing insects and crop diseases and more. Plus, you’ll enjoy our weekly segments, including Farm Basics, Iron Talk, and the Weed of the Week.

Agriculture is the most important industry in the world, and we bring you the information you need to best manage your business.

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The Latest Info For Your Farm

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Soil Sampling is now easier than ever!

Ag PhD Soil Test is your complete system for nutrient management. Take a look at the key features:

  • Order Supplies from your Ag PhD Soil Test Headquarters.
  • Create field boundaries on your mobile device or on the web with the mapping tool
  • High contrast views for better visibility in the sunlight
  • Print shipping sheets from your web account
  • Works on both your Apple or Android smartphones and tablets
  • Receive lab results FAST! (3-5 days)
  • Build your own recommendations, prescriptions and controller files
  • Track and view your history on your Web Headquarters
  • Don’t have a cell signal? No problem. Sample without a cellular connection with Ag PhD Soil Test

Tablet - Ag PhD Soil Test App


Rotational Restrictions

May 29th, 2017|

By Brian Hefty

Your decisions today could impact the next crop you raise, and possibly even the crop after that.  I love herbicides… IF they control my weeds without injuring my next crop.  Let’s talk about […]

More on XtendiMax and Engenia

May 29th, 2017|

By Brian Hefty

Last month I wrote about XtendiMax and Engenia in Xtend soybeans and cotton, but since this is the first year in history you have had the chance to legally spray dicamba over the […]

Sclerotinia White Mold

May 29th, 2017|

By Darren Hefty

Why do most diseases wait to show up until plants get to the reproductive stages of growth?  It’s simple.  There is a lot of stress on the plants at this stage.  Think […]

Ag PhD Field Day July 27th!

May 29th, 2017|

By Brian Hefty

Here are 15 great reasons you need to attend this year’s Ag PhD Field Day on Thursday, July 27th!

There is nowhere else in the country you will be able to hear from the […]

Ag PhD Field Day July 27th!

April 26th, 2017|

By Brian Hefty

Join us this summer at the free Ag PhD Field Day on Thursday, July 27th!  We are located outside of Baltic, SD, just 15 minutes from the Sioux Falls airport, and less than […]

Corn Post Weed Control

April 26th, 2017|

By Brian Hefty

It wasn’t many years ago when this article could be summarized in one word on many farms: Roundup.  Unfortunately today, Roundup may not be controlling all your waterhemp, Palmer pigweed, lambsquarters, common ragweed, […]