Monthly Turfgrass Roundup: August 2017

Posted on September 7, 2017

When turf runs out of potassium, it’s not a pretty picture. Is tissue testing aiming at the wrong target? Edwin Roald with this photo of the golf course at Geysir. The Geysir hot springs include Iceland's most famous holes. #geysir #geysirhotsprings #geysirstrokkur #geysirgolf #golficeland #hotspots pic.twitter.com/eoitJOCq9c— Edwin Roald (@EdwinRoald) August... [Read More]

GP is a number. It's explained here in photos and words.

Describing the temperature-based growth potential (GP) without many numbers.

Posted on September 1, 2017

Every now and then I get some questions about the temperature-based growth potential (GP). The most recent question was about relative humidity: “I am curious about the effect relative humidity has on growth potential?” My answer is that relative humidity has no effect. To understand what I mean by that,... [Read More]

A greenkeeping discussion

3 links to more information

Posted on August 29, 2017

I had an open discussion today with a group of greenkeepers in Japan. We talked about a lot of things – bentgrass in summer, irrigation, fertilizer, organic matter management, roots, etc. Here are three links to more information: 夏の散水管理：タイミング,水量,シリンジング,および水質 ET（蒸発散値: 標準 ETと特定作物 ET）計算機 日本語のATCアップデートのメーリングリストに参加を申し込む For English versions of those same... [Read More]