Detailed answers are at https://www.asianturfgrass.com/post/soil-sampling-and-interpetation-questions-om246-mlsn/

I also recommended these blogs/newsletters:

Chris Tritabaugh's ct_turf newsletter: https://ctunderscoreturf.substack.com/
Jason Haines' Fusariummy blog: https://fusariummy.blogspot.com/
See the ATC newsletters at https://subscribepage.com/atc_newsletters

• 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
• 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/

• Turf Without Borders show page: https://turfwb.asianturfgrass.com/
• International Turfgrass Society: https://turfsociety.com/