Ag PhD Full Episodes
5 Seasons
Hosted by Brian and Darren Hefty, Ag PhD brings new information on how to improve crop health throughout the season, protect the environment, and produce more yields at harvest. New episodes weekly.
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Farmers Want Cold Winters, The Value of Zinc, 2025 Input Finance Offers | Ag PhD
Episode 1393
As the mercury plummets, the Hefty brothers find a reason to smile. Plus we learn about the zinc link, and how to save $$$ on chem. The Weed of the Week is a weed of the wheat, and Darren talks corn planting applications.
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Residue Management, Iron In Soil And Crops, How Long Foliar Applications Last
Episode 1392
Find out how farmers deal with crop residue after harvest. Then, Brian and Darren discuss the importance of soil pH in relation to iron. They also discuss the duration of effectiveness of foliar applications versus soil-applied products.
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Piling Corn, Fusarium Crown Rot, Soil Organic Matter | Ag PhD
Episode 1391
What's up with grain piles in winter? How do you treat a tricky disease in your corn? How do you build soil health from the ground down? The Hefty brothers answer these questions, plus have tips for tackling toothed spurge, and fall-fix-ups on your tractor.
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2025 Ag PhD Winter Workshops, Additional Wheat Applications, Magnesium in Soil
Episode 1390
Brian and Darren invite you to attend several workshops this winter to learn more about soils, natural products, as well as corn and soybean production. They also discuss products you could use in wheat besides herbicides and fungicides. Then, find out how to increase or decrease your soil magnes...
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Farming on the Contour, How to Fix High Soil pH, Corn Leaf Diseases | Ag PhD
Episode 1389
In this episode, the Heftys save your hills from erosion, your soil from high pH, and your corn from disease. Plus, tips on a sneaky weed, and handling fall fertility with care.
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Corn Left Standing, Drain Tile Cooperation, Cation Exchange Capacity | Ag PhD
Episode 1388
Brian and Darren explain why farmers sometimes leave unharvested strips of corn out in their fields. They also discuss working with neighbors, landlords, and the NRCS to accomplish drain tile projects. and then explain the importance of knowing the cation exchange capacity of your soils.
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Cornstalk Grazing, Install Drain Tile Yourself, Fix Saline & Sodic Soil | Ag PhD
Episode 1387
Brian and Darren answer your questions about why there are cattle in the cornfield, how to DIY tiling, and how to treat high-sodium & super-salty soils. The Weed of the Week is wild buckwheat, and Darren tries out the Soil Warrior Edge system.
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Corn Ear Flex, Disease Control in Wheat, Calcium in Soil | Ag PhD
Episode 1386
Learn how a corn ear can "flex" depending on weather and fertility. Brian and Darren discuss products and timings to spray to stop disease in wheat, as well as the importance of calcium in soil and crops.
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Variable Rate Fertilizer, Tile System Design, Fall Residual Herbicides | Ag PhD
Episode 1385
Fall is a great time to learn about the modern ways to apply fertility, draw up the best drain tile plan on your farm, and spray early pre-emerge weed control. Plus the Hefty brothers take out foxtail barley, and strip-till with Soil Warrior
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Road Safety During Harvest, Phosphorus Application, Herbicide Options in Wheat
Episode 1384
Brian and Darren discuss safety when sharing the road with farm equipment. They also talk about liquid vs. dry phosphorus as well as broadcast vs. banded application, and then what pre and post herbicides you could use in wheat.
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Cold Chem Storage, Wheat Seeding Suggestions, Fall Nitrogen Management | Ag PhD
Episode 1383
Where do you keep your ag products when winter hits, what is the best way to plant wheat, and how much N should be applied in autumn? Plus, the noxious leafy spurge is the Weed of the Week, and the Heftys talk corn residue control.
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Pesticide Shelf Life, Soybean Nitrogen Trials, Corn Planting Population Trials
Episode 1382
Brian and Darren discuss long-term storage of pesticides, using high rates of nitrogen on soybeans, and planting very low and very high corn populations.
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Pesticide Bookkeeping, High Copper Amounts, A Planting Depth Experiment | Ag PhD
Episode 1381
More "Crazy Trials" from Brian and Darren! What happens when you put too much copper down, or plant way too deep or shallow? Plus, tracking your inputs, wild four o'clock, and tile system maintenance.
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Spray Pressure, Dicamba Corn Trials, High Rates of Manganese | Ag PhD
Episode 1380
Brian and Darren explain why farmers use different spray pressures and nozzles when making applications. They also discuss the effects of over-application of dicamba in corn, as well as what happens when applying an extremely high rate of manganese sulfate before soybeans.
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Rocky Fields, Applying High Rates of Potassium, 2,4-D Burndown Safety | Ag PhD
Episode 1379
The Hefty brothers'"crazy trials" continue! How much K and 2,4-D is TOO much? Brian and Darren share the intriguing results. Plus: farming on the rocks, tansy mustard control, and harvest residue tips.
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Removing Crop Residue, High Rates of Boron, Herbicide Carryover Trials | Ag PhD
Episode 1378
Brian and Darren discuss why farmers sometimes remove corn residue from their fields. They also review what they learned from some herbicide and nutrient trials, where they applied a high rate of boron to corn, and high rates of Stinger and Callisto to simulate herbicide carryover in soybeans.
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Harvest Loss, Late Season Corn Scouting, Variable Rate Fertilizer | Ag PhD
Episode 1377
The Hefty brothers show how to count what the combine forgot, why the price of a great harvest is constant vigilance, and a more precise way to feed your crops. The Weed of the Week is volunteer trees, with an Iron Talk on a better way to spray.
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Soil Compaction, Drain Tile & The Environment, Soil Tests & Yield Data | Ag PhD
Episode 1376
Brian and Darren discuss the causes of and fixes for soil compaction, how tile drainage is good for the environment, and the benefits of matching your soil test data to your yield data.
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Kill Weeds in the Fall, Exploring Cover Crops, Soil Sampling Guidelines | Ag PhD
Episode 1375
There are so many benefits to spraying after harvest, then seeding a non-cash crop, and finding out your soil fertility in one-acre sections; the Hefty brothers explain how and why. The Weed of the Week is the big downy brome, and Iron Talk covers ways to add late-season crop nutrition.
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Tillage and Organic Matter, Wheat Fertility, Grain Bin Preparation | Ag PhD
Episode 1374
Brian and Darren discuss how tillage can deplete organic matter, how to ensure your wheat has the nutrients it needs throughout the season, and what steps to take to get your grain bins ready for harvest this fall.
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Spray Droplet Size, Wheat Burndown, Insects and Diseases in Soybeans | Ag PhD
Episode 1373
Does size matter when spraying? Which overlooked product is now best for burndowns? How do you protect your beans from late-summer plagues? The Hefty brothers have all these answers, plus white heath aster control, and tractor tune-up tips.
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Aerial vs Ground Application, How Drain Tile Works, Late-Season Corn Insects
Episode 1372
The Hefty brothers explain why farmers sometimes have their fields sprayed by a plane or helicopter instead of a ground rig. They also explain how drain tile works and what benefits it provides, and what insects you should look for in your corn fields later in the growing season.
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Studying Leaf Surfaces, The Value of a Root Pit, Late Weeds in Soybeans | Ag PhD
Episode 1371
The Hefty brothers examine leaf cuticles, dig useful holes in their crop, and eliminate those big weeds in beans. The Weed of the Week is the tall common mullein, and Iron Talk is all about combine header transport.
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2024 Field Day, Herbicide Residual, Soybean Fungicide Application | Ag PhD
Episode 1370
Brian and Darren invite you to attend the 2024 Ag PhD Field Day on July 25, 2024. They also discuss using residual herbicides and dealing with potential carryover, and how to get the best disease prevention in your soybean fields by using fungicides.