In this month’s roundup, fertilizer, roots, and salinity, the Pelzmeter, the amount of N in rain and snow, measuring clipping volume from putting greens, and much more.

Three points about turfgrass roots and fertilizer.

Frank Rossi, Dan Dinelli, and Roch Gaussoin on TurfNet Radio talking organic matter.

Zoysia growing into bermuda at 6.8 cm per month.

Matee Suntisawasdi with photos of zoysia greens in Thailand:

Predictions about turfgrass and climate change in a new paper by Jerry Hatfield.

How much nitrogen is in rain and snow?

The Asian Tour was in Samui for the Queen’s Cup:

A correspondent asked, about fertilizing based on soil salinity, “is there a particular reason you think it’s a poor way to fertilize?”

About soil salinity, fertilizer, and not jumping on bandwagons.

Fertility might not mean what you think it does.

Reinders with a summary and lots of photos in a U.S. Open volunteer recap:

Jason Haines says measurement of clipping volume is “already proving to be more valuable that I originally expected”.

And with all the measuring, he hasn’t found any “increase in time that it takes to cut the greens in the morning.”

He also wrote about growth rate and disease.

And extreme growth rate turfnerdery.

Do the MLSN guidelines include all 17 essential elements?

Gypsum isn’t required prior to leaching salt from sand rootzones.

I’m confident that when grass grows less, the green speed will be faster.

Paul Robertson started an extraordinarily long and wide-ranging conversation with a simple question: anyone using a Pelzmeter?

“Sorry if this is a rubbish question,” a correspondent wrote, about different MLSN guidelines for different grass species.

Are you subscribed to the ATC updates mailing list? Or the MLSN newsletter list?

For more about turfgrass management, browse articles available for download on the ATC Turfgrass Information page, subscribe to this blog by e-mail or with an RSS reader - I use Feedly, or follow asianturfgrass on Twitter. Link and article roundups from previous months are here.