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

S2 E48 Repeated Statements and Illusory Truth 14.05.2024 49:21

Hasher, L., Goldstein, D., & Toppino, T. (1977). Frequency and the conference of referential validity. Journal of Verbal Learning & Verbal Behavior, 16(1), 107–112. https://doi.org/10.1016/S0022-5371(77)80012-1 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us...

S2 E47 Mental Health Barriers in the U.S. 10.05.2024 1:10:30

Mojtabai R, Olfson M, Sampson NA, Jin R, Druss B, Wang PS, Wells KB, Pincus HA, Kessler RC. Barriers to mental health treatment: results from the National Comorbidity Survey Replication. Psychol Med. 2011 Aug;41(8):1751-61. doi: 10.1017/S0033291710002291. Epub 2010 Dec 7. PMID: 21134315; PMCID: PMC3128692. Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHk...

S2 E46 Barriers to Mental Health Worldwide 07.05.2024 1:04:06

Andrade LH, Alonso J, Mneimneh Z, Wells JE, Al-Hamzawi A, Borges G, Bromet E, Bruffaerts R, de Girolamo G, de Graaf R, Florescu S, Gureje O, Hinkov HR, Hu C, Huang Y, Hwang I, Jin R, Karam EG, Kovess-Masfety V, Levinson D, Matschinger H, O'Neill S, Posada-Villa J, Sagar R, Sampson NA, Sasu C, Stein DJ, Takeshima T, Viana MC, Xavier M, Kessler RC. Barriers to mental health treatment: results from t...

S2 E45 What Motivates You and Your Employees? 03.05.2024 1:22:36

Maslow, A. H. (1943). A theory of human motivation. Psychological Review, 50(4), 370–396. https://doi.org/10.1037/h0054346 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpd...

S2 E44 Topdressing Salt-Affected Fairways Using Humus 30.04.2024 1:18:27

Zhu, H., & Li, D. (2018). Using Humus on Golf Course Fairways to Alleviate Soil Salinity Problems. HortTechnology hortte, 28(3), 284-288. Retrieved Apr 28, 2024, from https://doi.org/10.21273/HORTTECH03989-18 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podca...

S2 E43 Humic-Coated Urea on Kentucky Bluegrass 26.04.2024 1:25:41

Lindsey, A. J., Thoms, A. W., McDaniel, M. D., & Christians, N. E. Plant-available soil nitrogen fluxes and turfgrass quality of Kentucky bluegrass fertilized with humic substances. Crop Science. 2021; 61: 4416–4424. https://doi.org/10.1002/csc2.20592 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple...

S2 E42 Dr. Ervin - Seaweed and Humic Acid Influence Bentgrass Drought Resistance 25.04.2024 1:07:19

Zhang, X. and Ervin, E.H. (2004), Cytokinin-Containing Seaweed and Humic Acid Extracts Associated with Creeping Bentgrass Leaf Cytokinins and Drought Resistance. Crop Science, 44: 1737-1745. https://doi.org/10.2135/cropsci2004.1737 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts...

S2 E41 Bermudagrass Response to Microbial Inoculants. 23.04.2024 51:36

Bolton, C., Cabrera, M. L., Habteselassie, M., Poston, D., & Henry, G. M. (2022). The impact of commercially available microbial inoculants on bermudagrass establishment, aesthetics, and function. Crop, Forage & Turfgrass Management, 8, e20190. https://doi.org/10.1002/cft2.20190 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/jo...

S2 E40 Humic-coated Urea ≠ Better Turfgrass 22.04.2024 1:17:04

Lindsey AJ, Thoms AW, McDaniel MD, Christians NE. Evaluation of humic fertilizers on a sand-based creeping bentgrass putting green. Crop Science. 2021; 61: 3734–3745. https://doi.org/10.1002/csc2.20577 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgra...

S2 E39 Late-Season Biostimulant Effects on Bermudagrass 16.04.2024 1:11:20

Munshaw, G.C., Ervin, E.H., Shang, C., Askew, S.D., Zhang, X. and Lemus, R.W. (2006), Influence of Late-Season Iron, Nitrogen, and Seaweed Extract on Fall Color Retention and Cold Tolerance of Four Bermudagrass Cultivars. Crop Science, 46: 273-283. https://doi.org/10.2135/cropsci2005.0078 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/j...

S2 E38 Biostimulant effects on creeping bentgrass. 12.04.2024 1:20:58

Ervin, E.H., Zhang, X., Goatley, J.M., Jr., & Askew, S.D. (2004). Trinexapac-ethyl, Propiconazole, Iron, and Biostimulant Effects on Shaded Creeping Bentgrass. HortTechnology horttech, 14(4), 500-506. Retrieved Apr 8, 2024, from https://doi.org/10.21273/HORTTECH.14.4.0500 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail...

S2 E37 Will Applied Potassium Protect Turfgrass from Winter Injury? 05.04.2024 1:55:10

Schmid, C.J., Murphy, J.A., Clarke, B.B., DaCosta, M. and Ebdon, J.S. (2016), Observations on the Effect of Potassium on Winter Injury of Annual Bluegrass in New Jersey in 2015. Crop, Forage & Turfgrass Management, 2: 1-4 cftm2015.0170. https://doi.org/10.2134/cftm2015.0170 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicema...

S2 E36 Bermudagrass Response to Applied Potassium. 28.03.2024 1:03:49

Sartain, J.B. (2002), Tifway Bermudagrass Response To Potassium Fertilization. Crop Sci., 42: 507-512. https://doi.org/10.2135/cropsci2002.5070 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.s...

S2 E35 Can potassium enhance turfgrass shade tolerance? 27.03.2024 1:14:04

Cai, X., Trenholm, L. E., Kruse, J., & Sartain, J. B. (2011). Response of ‘Captiva’ St. Augustinegrass to Shade and Potassium. HortScience horts, 46(10), 1400-1403. Retrieved Mar 26, 2024, from https://doi.org/10.21273/HORTSCI.46.10.1400 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https:...

S2 E34 Nitrogen to Potassium Ratios for Bermudagrass. 26.03.2024 1:03:31

Snyder, G.H. and Cisar, J.L. (2000), Nitrogen/Potassium Fertilization Ratios for Bermudagrass Turf. Crop Sci., 40: 1719-1723. https://doi.org/10.2135/cropsci2000.4061719x Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spo...

S2 E33 Will Potassium Increase or Decrease Anthracnose on Poa Annua? 22.03.2024 1:17:13

Schmid, C.J., Clarke, B.B. and Murphy, J.A. (2018), Potassium Nutrition Affects Anthracnose on Annual Bluegrass. Agronomy Journal, 110: 2171-2179. https://doi.org/10.2134/agronj2018.03.0147 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Live Show: M, T, W - 10:00 am EST Th - 9:00 pm EST Voicemail: 859-444-4234 Apple Podcast https:...

S2 E32 Centipedegrass Decline and Recovery Using N, P, and K. 21.03.2024 1:14:25

Johnson, B.J., Carrow, R.N. and Burns, R.E. (1988), Centipedegrass Decline and Recovery as Affected by Fertilizer and Cultural Treatments. Agron. J., 80: 479-486. https://doi.org/10.2134/agronj1988.00021962008000030018x Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Live Show: M, T, W - 10:00 am EST Th - 9:00 pm EST Voicemail: 859...

S2 E31 Dr. Woods - Potassium for Putting Green Turfgrass. 20.03.2024 1:22:05

Woods, M.S., Ketterings, Q.M., Rossi, F.S. and Petrovic, A.M. (2006), Potassium Availability Indices and Turfgrass Performance in a Calcareous Sand Putting Green. Crop Science, 46: 381-389. https://doi.org/10.2135/cropsci2005.0218 More information on Dr. Woods and on his potassium publication can be found here: https://www.asianturfgrass.com/publication/woodsetal-2006-crop-sci/ Asian Turfgrass You...

S2 E30 Turfgrass Potassium. Soils Matter! 19.03.2024 1:09:17

Dest, W.M and K. Guillard. 2001. Bentgrass response to K fertilization and K release rates from eight sand rootzone sources used in putting green construction. Int. Turf. Soc. Res. J. 9:375-381. Join this channel to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Live Show: M, T, W - 10:00 am EST Th - 9:00 pm EST Voicemail: 859-444-4234 Apple Podcast https://pod...

S2 E29 Potassium Can Increase Disease on Turfgrass 16.03.2024 1:31:49

Bier, P.V., Persche, M., Koch, P. et al. A long term evaluation of differential potassium fertilization of a creeping bentgrass putting green. Plant Soil 431, 303–316 (2018). https://doi.org/10.1007/s11104-018-3765-8 Join this channel to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Live Show: M, T, W - 10:00 am EST Th - 9:00 pm EST Voicemail: 859-444-4234 App...

S2 E28 Remove or Return Turfgrass Clippings? 14.03.2024 1:08:36

Sartain, J.B. (1993), Interrelationships among Turfgrasses, Clipping Recycling, Thatch, and Applied Calcium, Magnesium, and Potassium. Agron. J., 85: 40-43. https://doi.org/10.2134/agronj1993.00021962008500010008x Live Show: M, T, W - 10:00 am EST Th - 9:00 pm EST Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https:...

S2 E27 Potassium source and rate effect on creeping bentgrass 13.03.2024 1:03:12

Waddington, D.A., Moberg, E.L. and Duich, J.M. (1972), Effect of N Source, K Source, and K Rate on Soil Nutrient Levels and the Growth and Elemental Composition of Penncross Creeping Bentgrass, Agrostis palustris Huds. Agron. J., 64: 562-566. https://doi.org/10.2134/agronj1972.00021962006400050002x Live Show: M, T, W - 10:00 am EST Th - 9:00 pm EST Voicemail: 859-444-4234 Apple Podcast https://po...

S2 E26 Potassium and Phosphorus on Creeping Bentgrass Putting Greens 12.03.2024 1:21:44

Johnson, P.G., Koenig, R.T. and Kopp, K.L. (2003), Nitrogen, Phosphorus, and Potassium Responses and Requirements in Calcareous Sand Greens. Agron. J., 95: 697-702. https://doi.org/10.2134/agronj2003.6970 Live Show: M, T, W - 10:00 am EST Th - 9:00 pm EST Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.sp...

S2 E25 Potassium is Stress-full. 08.03.2024 1:27:22

Live Show: M, T, W - 10:00 am EST Th - 9:00 pm EST Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio Podcast https://www.iheart.com/podcast/1323-turfgrass-epistemology-129043524/ Podbean https://turfgrassepistemology.podbean.com/ Online consulting Calendl...

S2 E24 Long-Term Influence of N and K on Perennial Ryegrass Turf 07.03.2024 1:27:37

Ebdon, J.S., DaCosta, M., Spargo, J. and Dest, W.M. (2013), Long-term Effects of Nitrogen and Potassium Fertilization on Perennial Ryegrass Turf. Crop Science, 53: 1750-1761. https://doi.org/10.2135/cropsci2012.06.0395 Live Show: M, T, W - 10:00 am EST W - 9:00 pm EST Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast ht...