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 E87 Dr. Bill Kreuser - Phosphorus Requirements for Creeping Bentgrass Putting Greens
Kreuser, W.C., Pagliari, P.H. and Soldat, D.J. (2012), Creeping Bentgrass Putting Green Mehlich-3 Soil Test Phosphorus Requirements. Crop Science, 52: 1385-1392. https://doi.org/10.2135/cropsci2011.0…
S2 E86 Lawns are Poisoning Us! A Hypocrite Explains.
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S2 E85 Is Phosphorus Fertilizer Needed During Tall Fescue Establishment?
Liu, B., & Landschoot, P. J. (2018). Influence of Phosphorus in Starter Fertilizer on the Establishment of Tall Fescue. HortScience, 53(12), 1897-1906. Retrieved Sep 8, 2024, from https://doi.org/10.…
S2 E84 Turfgrass Quality: How Do Scientists Visually Rate Turfgrass
Krans, J.V. and Morris, K. (2007), Determining a Profile of Protocols and Standards used in the Visual Field Assessment of Turfgrasses: A Survey of National Turfgrass Evaluation Program-Sponsored Uni…
S2 E83 Soil Testing on This Old House
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S2 E82 One-Year of Turfgrass Epistemology
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S2 E81 Stop Comparing Soil Test Methods!
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S2 E80 What is on my Bookshelf?
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S2 E79 Flawed Data Leads to Flawed Conclusions.
Bear, F.E. and Prince, A.L. (1945), Cation-Equivalent Constancy in Alfalfa. Agron. J., 37: 217-222. https://doi.org/10.2134/agronj1945.00021962003700030005x
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S2 E78 Agronomist Gets Fooled by the Soil pH Diagram.
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S2 E77 Bear et al., 1945. The Paper that Started Base Cation Saturation.
Bear, F. E., Prince, A. L., & Malcolm, J. L. (1945). Potassium needs of New Jersey soils. Rutgers University. http://hdl.handle.net/2027/uiug.30112019729356
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S2 E76 Base Cation Saturation for Fertilization and Liming.
McLean, E.O., Hartwig, R.C., Eckert, D.J. and Triplett, G.B. (1983), Basic Cation Saturation Ratios as a Basis for Fertilizing and Liming Agronomic Crops. II. Field Studies1. Agron. J., 75: 635-639. …
S2 E75 More soil testing, more BS!
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S2 E74 Base Cation Saturation Does Not Work in Growth Chambers Either
Eckert, D.J. and McLean, E.O. (1981), Basic Cation Saturation Ratios as a Basis for Fertilizing and Liming Agronomic Crops: I. Growth Chamber Studies1. Agron. J., 73: 795-799. https://doi.org/10.2134…
S2 E73 The Cost of Soil Test Philosophies
Olson, R.A., Frank, K.D., Grabouski, P.H. and Rehm, G.W. (1982), Economic and Agronomic Impacts of Varied Philosophies of Soil Testing1. Agron. J., 74: 492-499. https://doi.org/10.2134/agronj1982.000…
S2 E72 When Soil Tests Come Out, the BS Flows!
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S2 E71 Nitrogen Sources, Calcium, and Magnesium on Putting Greens.
Sartain, J.B. (1985), Effect of Acidity and N Source on the Growth and Thatch Accumulation of Tifgreen Bermudagrass and on Soil Nutrient Retention1. Agron. J., 77: 33-36. https://doi.org/10.2134/agro…
S2 E70 Do Calcium to Magnesium Ratios Matter for Bermuda and Rye?
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/agronj1993.0002196…
S2 E69 Three Salesmen Who Don't Understand Soils Teach You About Soils.
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S2 E68 Base Cation Saturation on Putting Greens?
St. John, R.A., Christians, N.E. and Taber, H.G. (2003), Supplemental Calcium Applications to Creeping Bentgrass Established on Calcareous Sand. Crop Sci., 43: 967-972. https://doi.org/10.2135/cropsc…