Constants in the turfgrass growth potential equation
The PACE Turf growth potential equation has one variable (the actual air temperature) and two constants. The constants are optimum air temperature and a term for variance that controls the shape of the curve as the actual temperature moves away from the optimum temperature. It's a little more complicated than that, because the constants change depending on whether you are making the calculation for cool-season grass, warm-season grass, and on whether you are using the Fahrenheit temperature scale or the Celsius temperature scale.
- The blog post discussed is https://www.asianturfgrass.com/post/calculating-gp/
- PACE Turf climate appraisal forms at: https://www.paceturf.org/journal/climate
- More about GP and the variance term at https://www.asianturfgrass.com/post/what-is-variance-in-growth-potential-equation/
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Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/
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Micah Woods
I'm chief scientist at the Asian Turfgrass Center and director of the @paceturf information service. Some current projects include #OM246, #ClipVol, and #MLSN.
