2nd Good Day for Growth in 212 Days

Last week on January 13th I noticed that the areas that were still brown from last Summer's drought, had a tinge of green to them. These unirrigated areas were not able to recover from the prolonged drought because once the rains returned, it was too cold for growth.

Poa annua germination in unirrigated areas mid winter

It was actually the warmest day since October 30, 2022.

It was the only "good day" that I have had in any of the Winter months in the past 4 years and the second best day since June 15, 2022. That's 2 good days in 212 days!

It's one thing to have these kinds of models at your disposal and it's another thing to see how accurate they are when compared to observations made in the field. I noticed we were finally starting to see some recovery due to the "good" weather and the model shows that we actually had a good day for growth.

Cool.

Turfgrass speedo is still my most important tool for managing turf growth after 4 years.

It wasn't the easiest year for growing grass , but the conditions were still pretty good. Almost 4 years ago exactly, I came up with the idea of comparing actual clipping yields to the "ideal" clipping yield or the clipping yield adjusted using the Growth Potential Model . Since then, it has proved to be a much more useful tool to manage growth than I originally thought . It has been almost a decade since I started making observations on plant health and playability and how it relates to the clipping yield. I have been constantly searching for ways to get the growth rate right as often as I can and this tool seems to be the best way I have seen so far, and might ultimately, be the best way going forward. To prove this point I will discuss in a future post, the success I've had with pest control in the past few years (for the most part (Not withstanding the times where I think my greens are dead but they actually aren't...thanks T)). Never needed less There are ...

How to quantify nutrient content in liquid fertilizer

In a recent post, I discussed how it was actually cheaper to spray soluble vs granular fertilizer. What about if we use pre-mixed liquid fertilizer? How do we even figure out how much nutrient we are applying with pre-mixed liquid fertilizer? Before I learned that you could simply dissolve soluble fertilizer in water and apply it in a sprayer, I was a big user of pre-mixed liquid fertilizers. One of the issues I initially had was figuring out exactly how much of each nutrient I was applying. The math wasn't as straightforward is it was with granular fertilizers. It turns out, it's actually not that difficult but requires an extra step. First, we need to convert the liquid volume into a mass. Many products will have the product density displayed on the label or you can look in the Safety Data Sheet (SDS) for that information as well. No SDS? Should you be using products without an SDS? Even if this information isn't included on the label it is very easy to figure out. All ...

Disease Update and Observations Jan 2013

GOT FUSARIUM? It would probably be an understatement to say that the fusarium activity levels are high these days. The above picture illustrates one of the more extreme attacks currently on my course. Last week while scouting for disease I made an interesting observation that I thought I would share. Typical tee disease levels, no pesticides of any kind ever, oh yeah, hasn't seen direct sun since Sept! As I only apply fungicides to my putting green surfaces there are varying levels of fusarium activity throughout the course but the areas that are hit the hardest are the approaches about 3m from the front of each green. In these areas the fusarium activity is extremely high. In Past years I would also see these disease levels on the tees and most fairways but this year there is very little fusarium so far. 8th approach, full sun So why are my approaches being hit so hard while nothing else is being touched? The maintenance on my approaches is virtually identical to my fa...

Fusariummy

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