![Jason Haines](https://img.transistor.fm/7uLSncjXr3Bp3N0WePz49p2VX10pogr92bLlY-7jzxM/rs:fill:400:400:1/q:60/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9wZXJz/b24vZDQ5ZTY4OTkt/ODU0OC00MDcxLWEz/YWYtNWZmNzc2ODYz/ZTNiLzE2ODMyNDEy/NTMtaW1hZ2UuanBn.webp)
Jason Haines
Jason is a golf course superintendent, author of the Fusariummy blog, and the visionary behind the turfgrass growth ratio.
Appears in 3 Episodes
The growth ratio for consistent growth and nitrogen fertilizer adjustment with Jason Haines
Jason Haines joined me for another #TurfMath episode to explain what the growth ratio is, how he uses it, and how he calibrates it. See this post for the equation and ...
![](https://img.transistor.fm/yqtjPVrugWJVxYuyDjH64wBTyhFFCoJJ8LBoRSfCizg/rs:fill:800:800:1/q:60/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9zaG93/LzI2MzQ1LzE2Mzc3/NTEwMjMtYXJ0d29y/ay5qcGc.webp)
Turf Math with Bjarni Hannesson and Jason Haines
We discussed the ease of metric units and the utility of knowing some key numbers in turfgrass maintenance.We discussed this post: https://www.asianturfgrass.com/post/...
![](https://img.transistor.fm/yqtjPVrugWJVxYuyDjH64wBTyhFFCoJJ8LBoRSfCizg/rs:fill:800:800:1/q:60/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9zaG93/LzI2MzQ1LzE2Mzc3/NTEwMjMtYXJ0d29y/ay5qcGc.webp)
Using the turfgrass growth ratio to adjust for site-specific conditions with Jason Haines
The turfgrass growth ratio (speedo) was developed by Jason Haines. It's a ratio of actual growth (grass clippings) divided by a temperature-adjusted standard amount of...
![](https://img.transistor.fm/yqtjPVrugWJVxYuyDjH64wBTyhFFCoJJ8LBoRSfCizg/rs:fill:800:800:1/q:60/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9zaG93/LzI2MzQ1LzE2Mzc3/NTEwMjMtYXJ0d29y/ay5qcGc.webp)