Spots of excitement—snow mold spots—in an otherwise boring potassium experiment, with Doug Soldat
Doug Soldat is a professor in the soil science department at the University of Wisconsin-Madison. We discussed a recent photo he shared showing dramatically increased snow mold where K fertilizer was applied. Or perhaps it was dramatically reduced snow mold where K fertilizer was not applied.
- See the photo we discussed: https://www.asianturfgrass.com/post/k-fertilizer-and-more-snow-mold/
- Watch this episode at https://youtu.be/ilPhk30NQlQ
- Bier et al. article on K supply from topdressing sand: A long term evaluation of differential potassium fertilization of a creeping bentgrass putting green, https://doi.org/10.1007/s11104-018-3765-8
- If you are in the USA and would like to send your topdressing sand for an analysis of K content, you can send to Dr. Soldat at this address:
Dept of Soil Science
Attn: Doug Soldat
1525 Observatory Dr.
Madison, WI 53706-1299
Regarding samples, these have to come from the USA. Soils require an import permit to enter the USA and he doesn't have a permit for samples for this project. US samples only, please.
- Dest and Guillard on non-exchangeable K, Bentgrass response to K fertilization and K release rates from eight sand rootzone sources used in putting green construction, available at https://opencommons.uconn.edu/plsc_articles/13/
- The pH chart article we discussed is by Hartemink and Barrow, Soil pH - nutrient relationships: the diagram, https://doi.org/10.1007/s11104-022-05861-z
Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/
Find turfgrass information and decision-making tools at https://www.paceturf.org/
See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf
See the ATC newsletters at https://subscribepage.com/atc_newsletters
Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/
Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/
- See the photo we discussed: https://www.asianturfgrass.com/post/k-fertilizer-and-more-snow-mold/
- Watch this episode at https://youtu.be/ilPhk30NQlQ
- Bier et al. article on K supply from topdressing sand: A long term evaluation of differential potassium fertilization of a creeping bentgrass putting green, https://doi.org/10.1007/s11104-018-3765-8
- If you are in the USA and would like to send your topdressing sand for an analysis of K content, you can send to Dr. Soldat at this address:
Dept of Soil Science
Attn: Doug Soldat
1525 Observatory Dr.
Madison, WI 53706-1299
Regarding samples, these have to come from the USA. Soils require an import permit to enter the USA and he doesn't have a permit for samples for this project. US samples only, please.
- Dest and Guillard on non-exchangeable K, Bentgrass response to K fertilization and K release rates from eight sand rootzone sources used in putting green construction, available at https://opencommons.uconn.edu/plsc_articles/13/
- The pH chart article we discussed is by Hartemink and Barrow, Soil pH - nutrient relationships: the diagram, https://doi.org/10.1007/s11104-022-05861-z
Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/
Find turfgrass information and decision-making tools at https://www.paceturf.org/
See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf
See the ATC newsletters at https://subscribepage.com/atc_newsletters
Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/
Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/
More about ATC soil tests at https://www.asianturfgrass.com/project/soil-tests/
Creators and Guests
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Host
Micah Woods
I'm chief scientist at the Asian Turfgrass Center and director of the @paceturf information service. Some current projects include #OM246, #ClipVol, and #MLSN.

Guest
Doug Soldat, Ph.D.
Turfgrass Specialist in the Department of Soil Science at the University of Wisconsin-Madison. Co-owner and Vice President of GreenKeeper App
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