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We unpack why “precision composite soil sampling” isn’t a contradiction and show how GPS-marked points turn an old method into a reliable trend tool. We cover workflows, gear, timing, and when shifting results should push you toward zones.

In this episode we discuss

• Pre‑GPS composite sampling and its limits
• Marking exact GPS points for repeatability
• Keeping post‑harvest or spring timing consistent
• Tracking year‑over‑year P, K and pH trends
• When composites signal a move to zones
• Benchmarks versus wider composite coverage
• Core counts for quarters and half sections
• Gear tips: external GPS pucks and apps
• Faster fieldwork once points are mapped
• Starting with GK Field Mapper and ADMS exports

More info about GK Field Mapper here: https://gktechinc.com/gk_field_mapper/
Tune in next time for a tiny bite of knowledge from GK Technology, where we have a map and an app for that!

https://gktechinc.com/

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Chapters

1. The Oxymoron: Precision Composite Sampling (00:00:00)

2. How Composite Sampling Worked Pre‑GPS (00:01:49)

3. Adding GPS To Make Composites Comparable (00:03:36)

4. Year‑Over‑Year Trends And Consistency (00:05:07)

5. Triggers For Zones And Variability Checks (00:06:12)

6. Benchmarks Vs Wider Composite Cores (00:06:30)

7. How Many Cores And Why It Matters (00:07:39)

8. Gear Tips: GPS Pucks And Marking Points (00:08:17)

9. Speed, Night Work, And Practical Gains (00:09:15)

10. Apps To Start: GK Field Mapper (00:10:13)

11. Embracing Precision Composites And Sign‑Off (00:11:16)

75 episodes