Post-rain growth flush: 12 mL from water, 8 from mineralized soil N, & 2.5 from N in the rain

Post-rain growth flush: 12 mL from water, 8 from mineralized soil N, & 2.5 from N in the rain

May 25, 2026 · 29 min · Episode 204

About this episode

This episode discusses the factors contributing to growth flush after rain, using calculations from New Forest GC in the UK as an example.

This is about partitioning the growth flush after a rain. What's causing that growth flush? I made some calculations, using New Forest GC in the UK as an example. The increased soil water content from a 20 mm rain, in this example, would increase daily clipping volume from 10 mL/m2 to 22 mL/m2, a 12 mL increase. The blog post discussed is https://www.asianturfgrass.com/post/nitrogen-in-rain-or-nitrogen-from-the-soil/ See also https://www.asianturfgrass.com/post/how-much-n-is-in-rain-and-snow/ for information on atmospheric deposition of N 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/ Find out more about soil tests with ATC at https://www.asianturfgrass.com/project/soil-tests/

People in this episode

Host: Micah Woods

Topics covered

Keywords

Mentioned in this episode

Books & works: https://www.asianturfgrass.com/post/nitrogen-in-rain-or-nitrogen-from-the-soil/, https://www.asianturfgrass.com/post/how-much-n-is-in-rain-and-snow/, https://www.asianturfgrass.com/, https://www.paceturf.org/, https://www.asianturfgrass.com/newsletter/, https://www.asianturfgrass.com/project/soil-tests/

Places: New Forest GC, UK

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