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.
- Update frequency
- every 3 days
- Average duration
- 76 minutes
- Episodes
- 212
- Years Active
- 2023 - 2025
S2 E7 Dr. Glen Obear - Iron Cementing Layers in Golf Putting Greens.
Glen R. Obear, Alfred E. Hartemink, Douglas J. Soldat. 2014. Soils with iron-cemented layers on golf courses in the USA,
Geoderma 232–234:198-207.
Live calls and voice mail: 859-444-4234
Live Show:
…
S2 E6 The soil pH diagram - soil mineralogical and chemical issues.
Barrow, N.J., Hartemink, A.E. The effects of pH on nutrient availability depend on both soils and plants. Plant Soil 487, 21–37 (2023).
Live calls and voice mail: 859-444-4234
Live Show:
M, T, W - 1…
S2 E5 The soil pH diagram. A review.
Hartemink, A.E., Barrow, N.J. Soil pH - nutrient relationships: the diagram. Plant Soil 486, 209–215 (2023).
Live calls and voice mail: 859-444-4234
Live Show:
M, T, W - 10:00 am EST
W - 9:00 pm EST
S2 E4 Iron source effect on bentgrass.
Glinski, D.S., Carrow, R.N. and Karnok, K.J. (1992), Iron Fertilization Effects on Shoot/Root Growth, Water Use, and Drought Stress of Creeping Bentgrass. Agron. J., 84: 496-503.
Live calls and voice…
S2 E3 Iron applied with elemental sulfur.
Ryan C. Christensen , Bryan G. Hopkins [email protected] , Von D. Jolley , Kelly M. Olson , Christopher M. Haskell , Nicholas J. Chariton & Bruce L. Webb (2012) ELEMENTAL SULFUR IMPREGNATED WITH IRON A…
S2 E2 Granular vs. foliar Fe, Mn, and Mg fertilizers for turfgrass
Shaddox TW, Unruh JB, Restuccia NG. St. Augustinegrass quality and nutrient content in response to granular and foliar iron, manganese, and magnesium. Crop Science. 2020;60:3314–3327.
Live calls and …
S2 E1 How long does iron fertilizer remain soluble in soil?
Shaddox, T.W., Fu, H., Gardner, D.S., Goss, R.M., Guertal, E.A., Kreuser, W.C., Miller, G.L., Stewart, B.R., Tang, K. and Unruh, J.B. (2019), Solubility of Ten Iron Fertilizers in Eleven North Americ…
S1 E62 Live calls and comments!
I discuss a thatch video claiming to reducing thatch by applying natural organic products, address two comments from an iron video, and talk to callers about iron, soil tests, etc.
Live calls and voi…
S1 E61 Comments and emails!
Live calls: 859-444-4234
Calendly.com/TravisShaddox
Twitter.com/TravisShaddox
S1 E60 Foliar iron can increase turfgrass growth.
Cooper, R.J., & Spokas, L.A. 1991. Growth, Quality, and Foliar Iron Concentration of Kentucky Bluegrass Treated with Chelated Iron Sources. Journal of the American Society for Horticultural Science. …
S1 E59 Granular vs. foliar iron applied to severely Fe-deficient Kentucky Bluegrass
D.D. Minner and J.D. Butler. 1984. Correcting Iron Deficiency of Kentucky Bluegrass. HortScience. 19:109-110.
Calendly.com/TravisShaddox
Twitter.com/TravisShaddox
S1 E58 Chelated iron vs. iron sulfate on Kentucky Bluegrass
Yust, A.K., Wehner, D.J. and Fermanian, T.W. (1984), Foliar Application of N and Fe to Kentucky Bluegrass1. Agron. J., 76: 934-938.
Calendly.com/TravisShaddox
Twitter.com/TravisShaddox
S1 E57 Chelated iron + nitrogen ≠ ’double dark’ turfgrass.
Carrow, R.N., Johnson, B.J. and Landry, G.W., Jr. (1988), Centipedegrass Response to Foliar Application of Iron and Nitrogen. Agron. J., 80: 746-750.
Calendly.com/TravisShaddox
Twitter.com/TravisShad…
S1 E56 Iron and Manganese and Boron, Oh My!
Deal, E.E. and Engel, R.E. 1965. Iron, Manganese, Boron and Zinc: Effects on Growth of Merion Kentucky Bluegrass. Agron. J., 57: 553-555.
Calendly.com/TravisShaddox
Twitter.com/TravisShaddox
S1 E55 Iron for Turfgrasses
An introduction to iron for turfgrasses.
Calendly.com/TravisShaddox
Twitter.com/TravisShaddox
S1 E54 Mowing height, nitrogen, and biostimulants effect on bermudagrass thatch.
Brian J. Tucker, Lambert B. McCarty, Haibo Liu, and Christina E. Wells. 2006. Mowing Height, Nitrogen Rate, and Biostimulant Infuence Root Development of Field-grown TifEagle Bermudagrass. HortSc…
S1 E53 Biological thatch control in zoysiagrass putting greens.
Josh R.Weaver, Lambert B. McCarty, Virgil L. Quisenberry, L. Ray Hubbard Jr., William G. Bridges, Philip J. Brown. 2022. Evaluating biological thatch control on Zoysia matrella (L.) Merr. golf greens…
S1 E52 Bacteria and cellulase for thatch control does not work, even in Norway.
Tatsiana Espevig, Bjørn Molteberg, Anne Marte Tronsmo, Arne Tronsmo, and Trygve S. Aamlid. 2012. Thatch Control in Newly Established Velvet Bentgrass Putting Greens in Scandinavia. Crop Sci. 52:371–3…
S1 E51 Cultural and biological control of bentgrass thatch
Lambert B. McCarty, Matthew F. Gregg, and Joe E. Toler. 2007. Thatch and Mat Management in an Established Creeping Bentgrass Golf Green. Agron. J. 99:1530–1537.
Calendly.com/TravisShaddox
Twitter.com…
S1 50 Dr. Sudeep Sidhu - What is lignin and why is it so resistant to decomposition?
Sudeep Sidhu, Qingguo Jack Huang, Robert N. Carrow, David Jesperson, Jiayang Liu, Paul L. Raymer. 2022. A review of a novel enzyme system for the management of thatch and soil water repellency in tur…