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The combination of light (DLI) and temperature (GP)
Manage episode 406724885 series 3012617
The growth potential converts air temperature to a 0 to 1 (or 0 to 100%) scale. Of course, there are a lot more things that affect actual growth, including light, nitrogen, and water. I discuss these and why I'm not so convinced that adding a light factor to GP makes it more useful.
The blog post discussed here is https://www.asianturfgrass.com/post/light-and-gp-again/
This calculator finds full sun PPFD and DLI for any location on any date: https://asianturfgrass.shinyapps.io/ppfd_by_time/
Park Nobel's environmental productivity index is described in this article: https://esajournals.onlinelibrary.wiley.com/doi/abs/10.2307/1938497
It's also mentioned in his text book Physiochemical and Environmental Plant Physiology: https://www.sciencedirect.com/book/9780128191460/physicochemical-and-environmental-plant-physiology
Travis Shaddox's Turfgrass Epistemology channel: https://www.youtube.com/@TurfgrassEpistemology
Read 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/paceturf
ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter
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Manage episode 406724885 series 3012617
The growth potential converts air temperature to a 0 to 1 (or 0 to 100%) scale. Of course, there are a lot more things that affect actual growth, including light, nitrogen, and water. I discuss these and why I'm not so convinced that adding a light factor to GP makes it more useful.
The blog post discussed here is https://www.asianturfgrass.com/post/light-and-gp-again/
This calculator finds full sun PPFD and DLI for any location on any date: https://asianturfgrass.shinyapps.io/ppfd_by_time/
Park Nobel's environmental productivity index is described in this article: https://esajournals.onlinelibrary.wiley.com/doi/abs/10.2307/1938497
It's also mentioned in his text book Physiochemical and Environmental Plant Physiology: https://www.sciencedirect.com/book/9780128191460/physicochemical-and-environmental-plant-physiology
Travis Shaddox's Turfgrass Epistemology channel: https://www.youtube.com/@TurfgrassEpistemology
Read 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/paceturf
ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter
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