Countdown to the Ag PhD Field Day:


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


Corn Fungicide at V4-V7

April 26th, 2017|

By Darren Hefty

You’ve gotten the crop in (or you’re nearing completion) and so far have made the fertility choices and weed control decisions necessary for a high-yielding crop.  Is now the time to starting […]

How to Use Dicamba Correctly in Xtend

April 26th, 2017|

By Brian Hefty

When I was a young agronomist more than 25 years ago, almost every farmer I worked with was using Banvel, the dimethylamine salt of dicamba.  However, these farmers would constantly complain about 2 […]

Plant Tissue Testing

April 26th, 2017|

By Darren Hefty

Getting the balance of available fertility just right for your crop is difficult.  Fortunately, there are a couple of cheap and easy tools to help you do just that.  The first one is […]

Soybeans – How Many Pre’s Do You Need?

April 5th, 2017|

By Brian Hefty

Tens of millions of soybean acres in the U.S. are switching this year from Roundup beans to either Xtend or LibertyLink soybeans due to weed resistance.  How does that change your pre-emerge herbicide […]

Wheat Input Cuts

April 5th, 2017|

By Darren Hefty

I can run the numbers, too.  Tightening your belt on the wheat acres is a good idea, but if you sacrifice more bushels than what you gain in cost-savings, you fall even further […]

Ag PhD Field Day July 27th!

April 5th, 2017|

By Brian Hefty

We invite you to attend the Ag PhD Field Day on our farm near Baltic, SD on Thursday, July 27th!  We are located just 15 minutes from the Sioux Falls airport, and less […]

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