Phosphorus and poa suppression: article posted on PACE Super Journal
January 28, 2023
George Kenny, superintendent at Talega Golf Club in San Clemente, CA, evaluated of the role of phosphorus in Poa annua suppression. The results have posted in PACE Super Journal in a report entitled: Role of phosphorus in suppression of Poa annua on bentgrass greens.
What is the bottom line on George’s study? It appears that very low levels of soil phosphorus (less than 20 ppm P), as measured by Mehlich3 (M3) extraction, may have contributed to the lack of Poa…