You can expect soil organic matter to be 5% nitrogen, and you can expect from 1 to 4% of that organic nitrogen to mineralize in one year. You can also calculate estimated daily mineralization and sum it to get weekly, monthly, and annual totals. The blog post discussed is: https://www.asianturfgrass.com/post/estimating-nitrogen-mineralization-an-example/ Subscribe to the Turf Without Borders podcast: https://turfwb.asianturfgrass.com/subscribeRead more about all kinds of turfgrass topics at https://www.asianturfgrass.com/Get ATC newsletters at https://www.asianturfgrass.com/newsletter/Turfgrass information and decision-making tools at https://www.paceturf.org/PACE Turf YouTube channel at https://www.youtube.com/user/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/ Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193 If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/