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Soil Sense

89 EpisodesProduced by NDSU ExtensionWebsite

Welcome to the Soil Sense Podcast, where we believe that building healthier soils is not just a prescription, but rather a pursuit. This journey requires collaboration, curiosity, and communication among farmers, agricultural researchers, agronomists, consultants, and extension. You’re going to hear… read more


Managing Low pH Soils with Ryan Buetow and Nathan Thomas

**Join us virtually at the DIRT Workshop December 8th - 9th:**

“What can I do to correct low pH in no-till systems in a corn/soybean rotation? Here in southeast South Dakota, we’ve got a lot of low pH areas and fields and it is a pretty big challenge to get them corrected.” - Brad Farrell

To answer this question, we are joined by Nathan Thomas, a fourth generation farmer from southwest North Dakota, and Ryan Buetow, a NDSU Extension Cropping Systems specialist based out of the Dickinson Research Extension Center. Nathan and Ryan have been collaborating to manage the low pH on Nathan’s farm and share their findings and plans going forward.

“We’re really seeing (acidity) where that nitrogen is being put every year. The higher the amount of nitrogen, the quicker it’s going to happen especially at the edges of the field where they are turning around and maybe accidentally putting on twice the amount of nitrogen.” - Ryan Buetow

This has generally gone unnoticed over the years because most soil testing involves a deep sample which may dilute the acidic pH that is found closer to the surface of the soil. Decreasing unnecessary nitrogen applications, increasing organic matter and trying humic acid inputs are the many strategies Nathan is trying to increase the pH in the soil. Acidic pH allows for a more significant bioavailability of the aluminum and manganese naturally found in soils to the crops. Some crops seem to be more sensitive to these soil chemistry changes than others. Lime applications are the typical treatment for acidic soils but are less effective without the physical incorporation of tilling it into the soil which creates an additional challenge for no-till operations.

“We started to look into lime right away, and we found three available sources that we could use (pellet, sugar beet, water treatment). They all have positives and negatives.” - Nathan Thomas

This Week on Soil Sense:

  • Meet Nathan Thomas, a farmer in southwest North Dakota, and Ryan Buetow, a NDSU Extension Cropping Systems specialist
  • Explore what causes acidic soils and how that can affect crops
  • Discover the challenges of treating acidic soils especially in no-till systems

Connect with Soil Sense:

Soil Sense Podcast is hosted by Tim Hammerich of the Future of Agriculture Podcast.

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