Travis Shaddox

Turfgrass Epistemology

Education EN ↓ 285 episodes

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.

Author

Travis Shaddox

Episodes

S1 E35 Does timing of fall-applied nitrogen differ in Italy? 19.11.2023 59:13

Grossi, N., F. Lulli, M. Volterrani, and S. Miele. 2005. Timing of fall nitrogen application on tall fescue turf. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E34 Dr. Cale Bigelow - Turfgrass response to various nitrogen programs in Indiana. 19.11.2023 1:28:15

Walker, K. S., C. A. Bigelow, D. R. Smith, G. E. Van Scoyoc, and Z. J. Reicher. 2007. Aboveground Responses of Cool-Season Lawn Species to Nitrogen Rates and Application Timings Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E33 Is polymer and sulfur-coated urea any better on Kentucky bluegrass than just urea? 19.11.2023 1:20:26

Bigelow, C. A., K. S. Walker, and G. A. Hardebeck. 2007. Single Fall Applications of Coated Urea Fertilizers Produce a High Quality Kentucky Bluegrass Turf Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E32 You don’t get roots, and you don’t get roots! No one gets roots! 19.11.2023 1:30:00

Moore, R. W., N. E. Christians, and M. L. Agnew. 1996. Response of Three Kentucky Bluegrass Cultivars to Sprayable Nitrogen Fertilizer Programs. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E31 Nitrogen uptake differs even within cultivars of the same species. 19.11.2023 57:35

Liu, H. and R. J. Hull. 2006. Comparing cultivars of three cool-season turfgrasses for nitrogen recovery in clippings. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E30 What happens to nitrogen applied to turfgrass in late fall? 19.11.2023 1:19:25

Mangiafico, S. S. and K. Guillard. 2006. Fall Fertilization Timing Effects on Nitrate Leaching and Turfgrass Color and Growth. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E29 Late Fall Soluble vs. Slow-release Nitrogen on Kentucky Bluegrass Color 19.11.2023 1:04:46

Wehner, D J., J. E. Haley, and D. L. Martin. 1988. Late Fall Fertilization of Kentucky Bluegrass. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E28 What to expect from cool-season turfgrasses if temperatures drop fast. 19.11.2023 45:54

Rajashekar, C., D. Tao, and P. H. Li. 1983. Freezing Resistance and Cold Acclimation in Turfgrasses. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E27 Does nitrogen deplete carbohydrates in Kentucky bluegrass? 19.11.2023 1:24:36

Watshke and Waddington. 1974. Effect of Nitrogen Source, Rate, and Timing on Growth and Carbohydrates of Merion Bluegrass. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E26 Dr. Eric Miltner - Late fall and winter nitrogen applied in the pacific northwest. 19.11.2023 1:05:04

Miltner, E.D., G.K. Stahnke, W.J. Johnston, C.T. Golob. 2004. Late fall and winter nitrogen fertilization of turfgrass in two pacific northwest climates. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E25 Nitrogen source, rate, and timing influence cool-season turfgrass quality. 19.11.2023 51:52

Ledeboer and Skogley. 1973. Effects of Various Nitrogen Sources, Timing, and Rates on Quality and Growth Rate of Cool-Season Turfgrasses. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E24 Dr. Doug Soldat - Turfgrass uptake of fall-applied nitrogen. 19.11.2023 55:24

Lloyd, D.R., D.J. Soldat, J.C. Stier. 2011. Low-temperature Nitrogen Uptake and Use of Three Cool-season Turfgrasses under Controlled Environments. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E23 Will fall fertilization weaken Kentucky bluegrass? 19.11.2023 58:01

Wilkinson and Duff. 1972. Effects of Fall Fertilization on Cold Resistance, Color, and Growth of Kentucky Bluegrass Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E22 Will Nitrogen Reduce Turfgrass Drought and Temperature Tolerance? 19.11.2023 58:01

Carroll, 1943. Effects of Drought, Temperature and Nitrogen on Turf Grasses. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E21 Does Winter-Applied Nitrogen Increase Root Growth? 19.11.2023 55:12

Powell, et al., 1967. Effect of Nitrogen on Winter Root Growth of Bentgrass. Carrol and Welton. 1939. Effect of Heavy and Late Applications of Nitrogenous Fertilizer on the Cold Resistance of Kentucky Bluegrass Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E20 Does Fall or Winter Nitrogen Harm Bentgrass and Fescue? 19.11.2023 47:38

Powell, et al., 1967. Physiological and Color Aspects of Turfgrasses with Fall and Winter Nitrogen. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E19 Phosphorus has very little effect on turfgrass establishment, but it is justified. What? 19.11.2023 47:10

Chang, et al., 2014. Phosphorus Responses Vary among Cool-Season Turfgrasses during Establishment from Seed. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E18 Dr. Ross Braun - Do new turfgrasses need less fertilizer and pesticides? 19.11.2023 1:08:49

Braun, et al., 2023. Assessing the fertilizer and pesticide input needs of cool-season turfgrass species Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E17 Does the placement and rate of nitrogen and phosphorus affect turfgrass establishment? 19.11.2023 45:59

King and Skogley, 1969. Effect of Nitrogen and Phosphorus Placements and Rates on Turfgrass Establishment Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E16 Do you need starter fertilizer for tall fescue establishment? 19.11.2023 59:59

Liu and Landschoot, 2018. Influence of Phosphorus in Starter Fertilizer on the Establishment of Tall Fescue. Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E15 When Should You Plant Cool-season Turfgrasses? 19.11.2023 50:15

Reicher, et al., 2022. Date of Seeding Affects Establishment of Cool-season Turfgrasses Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E14 How Much Nitrogen Do You Need to Apply During Fine Fescue Establishment? 19.11.2023 1:07:45

Braun, et al., 2022. Nitrogen fertilizer and clover inclusion effects on the establishment of fine fescue taxa Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E13 The Problem with Applying Biosolids to Turfgrass 19.11.2023 45:53

Cogger, et al., 2013. Biosolids Applications to Tall Fescue Have Long-Term Influence on Soil Nitrogen, Carbon, and Phosphorus Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E12 Does Compost Aid Turfgrass Establishment on Disturbed Soils? 19.11.2023 1:11:50

Badzmierowski, et al., 2019. Biosolids-Based Amendments Improve Tall Fescue Establishment and Urban Soils Calendly.com/TravisShaddox Twitter.com/TravisShaddox

S1 E11 Mulch and Starter Fertilizer Effects on Turfgrass Establishment 19.11.2023 1:29:56

Braun, et al., 2020. Establishment of low-input turfgrass from seed with patch and repairmixtures:Mulch and starter fertilizer effects Calendly.com/TravisShaddox Twitter.com/TravisShaddox