Darren and Brian Hefty talk about temperature inversions, building organic matter, and post-wheat harvest burndown. The Weed of the Week is wild carrot, and Darren talks about upgrading your combine concaves in this week's Iron Talk.

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Ag PhD Show #1007 (Air Date 7-23-17)

In this week's Ag PhD episode, learn about leaf burn in crops, sclerotinia white mold, and late-season weeds in corn. The Weed of the Week is Bur Cucumber, and Darren talks about late-season fertilizer in his Iron Talk segment. Thanks for watching!

Ag PhD Show #1005 (Air Date 7-9-17)

Brian and Darren Hefty talk about reducing erosion, late-season nutrient needs, and spray timing limitations in soybeans. The Weed of the Week is Field Sandbur, and Darren talks about protecting bees in this week's Iron Talk segment. Enjoy the show!

Ag PhD Show #1003 (Air Date 6-25-17)

The Hefty brothers talk about soil crusting, post-emerge soybean herbicides, and corn rootworms. The Weed of the Week is milkweed, and Darren talks about reducing spray drift in this week's Iron Talk. Enjoy the show!

Ag PhD Show #1001 (Air Date 6-11-17)

Brian and Darren talk about shelterbelt management, nitrogen management, and insecticide prices. The Weed of the Week is waterhemp, and Darren talks about spraying fungicides in this week's "Iron Talk" segment. Thanks for watching!

Ag PhD Show #999 (Air Date 5-28-17)

In this week's Ag PhD show, Darren and Brian talk about frost, post-emerge residuals in soybeans, and making replant decisions. The Weed of the Week is shepherd's purse, and Darren talks about time of day for spraying in his Iron Talk segment. Thanks for watching!

Ag PhD Show #997 (Air Date 5-14-17)

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!

Ag PhD Show #995 (Air Date 4-30-17)

In this week's Ag PhD episode, Darren and Brian Hefty talk about gibberellic acid, nitrogen rates for your corn, and controlling broadleaves in your wheat crop. The Weed of the Week is lambsquarters, and Darren talks about cleaning your spray boom in his Iron Talk segment. Enjoy the show!

Ag PhD Show #993 (Air Date 4-16-17)

In this week's show, you will learn about the purpose of grass waterways in farm fields. The Hefty brothers give tips for a good fertility program in your wheat fields. They talk about getting your corn crop off to a good start with the right pre-emerge strategy. The Weed of the Week is Texas panicum, and Darren talks about tractor tires in his "Iron Talk" segment. Enjoy the show!

Ag PhD Show #991 (Air Date 4-2-17)

In this week's Ag PhD episode, find out how farmers use technology to reduce erosion, how to manage your pasture to increase grass production, and why you should get your corn seeds planted at a precise depth. The Weed of the Week is perennial pepperweed, and Darren talks about split-applying nitrogen in his "Iron Talk" segment. Thanks for watching!

Ag PhD Show #989 (Air Date 3-19-17)

In this week's Ag PhD episode, learn about neonicotinoid insecticide safety, variable rate planting maps, and terminating cover crops. The Weed of the Week is Canada Thistle, and Darren talks about tram lines in wheat in his Iron Talk segment. Thanks for watching, and enjoy the show!

Ag PhD Show #987 (Air Date 3-5-17)

In this week's show, Darren and Brian discuss the freeze-thaw effect, dry bean production, and nutrient stratification. The Weed of the Week is bull thistle, and Darren talks about spreading lime in his Iron Talk segment. Thanks for watching!

Ag PhD Show #985 (Air Date 2-19-17)

Brian and Darren have another information-packed Ag PhD show for you! They discuss terraces in fields, fixing salty soils, and how to minimize spray drift and volatilization. They've got an ugly Weed Of The Week to get rid of, and Darren talks about spring soil sampling in this week's Iron Talk segment. Thanks for watching!

Ag PhD Show #983 (Air Date 2-5-17)

This week's subjects are the Ag PhD Nutrient Deficiency app, alfalfa production, and high-yield corn. Our Weed of the Week is virginia groundcherry, and Darren talks about hydraulic maintenance in this week's Iron Talk segment. Enjoy the show!

Ag PhD Show #981 (Air Date 1-22-17)

In this week's AgPhD Episode, you will learn about seed traits, and how they are beneficial in today's world. Then, the Hefty brothers talk about which pre-emerge wheat products you should use. They discuss a new corn disease caused by the bacterium Xanthomonas, and then the Weed of the Week is Yellow Foxtail. Finally, Darren talks about incorporating your soybean pre-emerge herbicides in his Iron Talk segment.

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