Asian Turfgrass Center

Historical clipping data

I like to look at a 5 day (or similar duration) moving average

Posted on October 13, 2017

It is really interesting, for me at least, to see how much grass grows. One way to put a number to how much grass grows is to measure the clipping volume of the grass mown from an area. With putting greens, for example, the baskets are going to be emptied... [Read More]

clipping volume

This is the time of year for ...

the most important fertilizer application of the year. Or is it?

Posted on October 10, 2017

There are lots of articles and blog posts at this time of year about fall fertilization and dormant fertilizer applications and keeping turf supplied with plenty of potassium too. I don’t think there is anything magic about fertilizer applications at this time of year. That one can add nitrogen (N),... [Read More]

fertilizer

Monthly Turfgrass Roundup: September 2017

Posted on October 8, 2017

Bill Kreuser wrote about the nuance of growing degree day calculations. Chris Tritabaugh explained three ways they’ve worked to optimize the golf course. Andrew McDaniel shared a video of sod harvesting in Japan: 1/2 Visited 1 of the top turf producers in Japan. How does your supplier do it? #local... [Read More]

roundup

"The difference between a model working great and being a massive failure"

Understanding the subtle differences between many GDD models in turf

Posted on October 4, 2017

Everyone using growing degree days (GDD) in turf management should be sure they are calculating them and working with them in just the right way. This new guide on the nuance of growing degree day calculations from Bill Kreuser and UNL explains the calculation and makes sure you have all... [Read More]

gdd

"Potassium applications have been associated with increased winter diseases in northern climates"

Posted on September 27, 2017

Who would have thought that adding potassium would increase disease? I enjoyed talking with Doug Soldat about this research when he presented “Potassium fertilization affects microdochium patch severity on creeping bentgrass” by Bier et al. at the ASHS annual conference. You’ve probably seen the photos. Here are a couple examples.... [Read More]