Jackie's thesis at Michigan State University was titled "Effects of Different Soil Testing Philosophies on Creeping Bentgrass and Annual Bluegrass Putting Greens." She looked at how much P and K were applied by different interpretation philosophies, how the grass stood up to traffic, and what happened to the elements that were applied. 

• All about #MLSN: https://www.asianturfgrass.com/mlsn/ 

Three blog posts with links to Jackie Guevara's research: 

• https://www.asianturfgrass.com/post/soil-test-showdown/  
• https://www.asianturfgrass.com/post/mlsn-and-turfgrass-nutrient-recommendations/ 
• https://www.asianturfgrass.com/post/adding-potassium-does-not-increase-soil-ability-to-store-it/ 

• Follow Jackie on Twitter at https://twitter.com/jackofallturf 
• Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ 
• 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/