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 Soils 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


Ag PhD Rose Parade Float

October 23rd, 2017|

You Need More Tile

October 5th, 2017|

By Brian Hefty

In much of the Midwestern United States, there are two sure-fire ways to increase yield and profits: improve drainage, and fertilize more efficiently based on complete soil test data. We’ll focus on drainage […]

Have We Seen the Seasonal (Cycle) Lows?

October 5th, 2017|

By Mark Soderberg
Grain PhD Risk Management Specialist

At Grain PhD this is the most common question we’ve heard in recent weeks. While I’d love to answer this question with a firm yes, the fact of the […]

Fall Weed Control

October 5th, 2017|

By Darren Hefty

Marestail, dandelion, and other troublesome winter annuals, biennials, and perennials can be eliminated for your next crop season yet this fall! Below are some excellent options to get the job done. There are […]

Soil Test to Cut Fertilizer Expense

October 5th, 2017|

By Brian Hefty

I hate expenses, but I love good investments. Is the fertilizer you will apply this fall or next spring an expense or an investment? Without a good soil test, your answer is simply […]

Want More Income? Test Your Soil!

August 25th, 2017|

By Brian Hefty

One of the turning points when it comes to yield and profitability on our farm was when we started regularly soil testing. Prior to about 10 or 15 years ago, we rarely tested […]