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Available Episodes

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18. Yes, He Mapped The Lawns Too Preston Sundeen Pt. 1
We sit down with Preston Sundean to trace a path from farm kid to precision ag educator and entrepreneur. We dig into teaching ADMS, turning data into fast prescriptions, and why critical thinking matters more than button sequences.In this episode we discuss...• Preston's North Dakota farm roots and agribusiness training• Career moves from ag retail to precision ag education• COVID pivot into entrepreneurship and insurance• Running a classroom like a workplace• The ADMS learning curve and teaching methods• Turning soil tests into fertilizer prescriptions fast• Wireless data transfer and mobile office workflows• Creative ADMS uses for claims and small jobs• Lawn care mapping, NAIP imagery, and bidding• GPS limits, lightbars, foam markers, and as‑applied maps• The case for critical thinking across toolsStick around next week for part two of our conversation with Preston Sundeen.At GK Technology, we have a map and an app for that!https://gktechinc.com/
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17.5 Cracking The Code Of Salty Soils
We break down what “salty soil” really means and why salinity and sodicity demand different fixes. We share how to properly diagnose a soil as saline, sodic, or saline/sodic through soil sampling and testing, to avoid turning a manageable patch into concrete.We also discuss....• defining normal, saline, sodic, saline-sodic with soil test EC and sodium results• why salinity causes drought-like stress without wrecking structure• how sodicity drives clay dispersion and pore collapse• when salts keep clays flocculated in saline-sodic soils• risks of leaching or tiling without a sodicity management plan• sampling depths: 0–6, 6–12, 12–18 inches for diagnosis• using pH as a supporting clue for sodicity• prioritizing amendment before drainage to prevent sodic blowupsMore information on management of salty soils here: https://www.ndsu.edu/agriculture/extension/publications/managing-saline-soils-north-dakotaTune in next time for a Tiny Byte of knowledge from GK Technology, where we have a map and an app for that.https://gktechinc.com/
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17. Variable Rating Herbicides with Kyle Okke Pt. 3
We map residual herbicide rates with field truth, not guesses, turning five-zone soil maps into targeted prescriptions that cut injury and hit weed spawn sites. We weigh OM, pH, texture, and landscape to protect sensitive crops now and keep rotations flexible next year.In this episode we discuss...• base maps from precision soil sampling and scouting knowledge• modded zones for unique poor areas and weed hotspots• organic matter, carbonate, and color as soil clues, not absolutes• extreme pH swings shaping efficacy, injury, and carryover• decision framework from damage mitigation to suppression• variable rates to protect sensitive crops and rotations• SmartFirmer OM layers and controller-friendly rate steps• lidar, soil series, and as‑applied maps to refine zones• practical limits of sensors and when algorithms help• closing insights and where we push rates or back offMissed the first two parts of this episode? Check out our previous episodes! https://www.buzzsprout.com/2297340https://gktechinc.com/
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16.5 Calculating Nutrients in Liquid Fertilizer (Bulk Density!)
We unpack why liquid fertilizer math trips people up and discuss how to figure out how to determine pounds of fertilizer in a liquid fertilizer. We talk real examples and show how small liquid fertilizer densities can drastically affect starter outcomes, especially in cold soils.In this Tiny Bytes, we talk• the dry vs liquid mindset shift • how density changes gallons into pounds • where to find pounds per gallon on fertilizer labels • comparing phosphorus from 10-34-0 and 6-24-6 • implications for starter fertilizer in cold springs • simple rules to avoid under or over applicationTune in next time for a Tiny Byte of knowledge from GK Technology, where we have a map and an app for thathttps://gktechinc.com/
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16. Variable Rating Herbicides with Kyle Okke Pt. 2
We sit down (again) with Kyle Okke of Agile Agronomy and explore how to make variable-rate residual herbicides actually work, from nozzle physics to dual-tank setups, and why agronomy must lead every tech decision. We also talk PWM (pulse width modulation), drift control, and mapping weed hot spots for smarter applications.Additionally...• Limits of conventional pressure-based rate changes• Why droplet size, pattern, and drift control matter• PWM and duty cycle basics• Turn compensation for consistent coverage• Mixing residuals with post products without losing efficacy• DIect injection timing challenges at boom length• Dual-tank, dual-boom systems for split strategies• Cost and scale drivers for adoption of certain spray systems• Green-on-brown paired with variable-rate residuals• Drone mapping kochia and wild oat patches for targeted residuals• Reducing passes, resistance pressure, and carryover riskStick around for the final part of our discussion, part 3!https://gktechinc.com/
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