This week's topics are weed seed viability, soybean fertility, and key corn growth stages. There's a Weed Of The Week to control, and Darren talks about leaving product in spray tanks in his Iron Talk segment. Thanks for watching!

There are several corn growth stages that are important to pay attention to. Brian and Darren Hefty explain in this segment.

The Hefty brothers talk about the importance of fertilizing your soybean crop.

Good weed control is critical for good crop yields. How many weed seeds are out in farmers' fields, and how long can some of them survive?

Sometimes a farmer has no choice but to stop spraying and park the sprayer for a period of time. What are the potential issues with doing so? Find out in this week's Iron Talk segment.

Find out how to control Venice mallow on your farm in this Weed Of The Week segment.

Farmers aim to have their corn plants all emerge at the same time. Darren Hefty explains in this Ag Minute.

On this week's Ag PhD tv show, Brian and Darren Hefty talk about growing degree days, 3 pre's in soybeans, wheat scouting, and the Weed of the Week, tansy mustard.

On this week's Ag Minute, Darren Hefty talks about the important role heat plays in the growth of your crops and how to calculate growing degree days.

This week's Weed of the Week is tansy mustard. Brian and Darren Hefty will give you tips on identifying and controlling tansy mustard in your field.