This podcast explores how we know what we know about turfgrass science. If you are a lawn care operator, sport field manager, sod producer, golf superintendent, or a home owner, this podcast provides evidence-based information to help you better manage your turfgrass.
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This podcast explores how we know what we know about turfgrass science. If you are a lawn care operator, sport field manager, sod producer, golf superintendent, or a home owner, this podcast provides evidence-based information to help you better manage your turfgrass.
S3 E40 Exploring Irrigation Strategies for Tall Fescue
Turfgrass Epistemology
1 hour 12 minutes
3 months ago
S3 E40 Exploring Irrigation Strategies for Tall Fescue
In this video, I dive into the 2002 study from Crop Science that evaluates how different irrigation schedules, tall fescue cultivars, and mowing heights interact to shape turf performance.
Article: https://acsess.onlinelibrary.wiley.com/doi/full/10.2135/cropsci2002.2011
✅ What you'll discover:
Study design highlights: 2‑year field trial in Riverside, CA, comparing 2–4 irrigation events per week at ~80 % ET₀, two cultivars (a dwarf vs. a turf-type), and two mowing heights (~3.8 cm vs. 6.4 cm)
Key findings: Twice-weekly “deep” watering yielded the highest visual quality. Dwarf cultivars and shorter mowing height boosted turf quality early, but overwatering and mowing short favored shallow roots and weed growth Practical takeaways for lawn and turf managers:
Go for deep, twice-weekly irrigation at ~80 % ET₀ rather than frequent shallow watering.Use dwarf cultivars with lower mowing heights—but monitor for stress and shallow rooting.Always consider local soil type and climate before applying these findings.
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Turfgrass Programs and Extension Service Information:https://www.usna.usda.gov/assets/images/as_pdf_image/LandGrantColleges.pdf
Diagnostic Criteria for Turfgrass Bullshit Disorder:https://drive.google.com/file/d/1Y_GeVPQ237pzm0ImTP4eVij6I9D0PHPn/view
Turfgrass Epistemology
This podcast explores how we know what we know about turfgrass science. If you are a lawn care operator, sport field manager, sod producer, golf superintendent, or a home owner, this podcast provides evidence-based information to help you better manage your turfgrass.