DiscoverThe ATC Doublecut with Micah WoodsHow to find the photosynthetically active radiation (PAR) anywhere
How to find the photosynthetically active radiation (PAR) anywhere

How to find the photosynthetically active radiation (PAR) anywhere

Update: 2025-06-23
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I explain that moving from full sun to tree shade reduced photosynthetically active radiation by about 80%. I show an app, and a PACE Turf document, that will allow you to find both PPFD and DLI no matter where you are located.

I discussed these links:
- https://www.asianturfgrass.com/post/shade-and-sun/
- https://asianturfgrass.shinyapps.io/ppfd_by_time/
- https://www.paceturf.org/memberedition/weather
- https://www.paceturf.org/gallery/detail/photosynthetically-active-radiation
- https://www.asianturfgrass.com/post/rule-of-thumb-for-cloud-effect-on-par/

Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/
Find a suite of decision-making tools at https://www.paceturf.org/
Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/




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How to find the photosynthetically active radiation (PAR) anywhere

How to find the photosynthetically active radiation (PAR) anywhere

Asian Turfgrass Center