Tropical carpetgrass part 2: ugly duckling or swan?
A number between 0 and 1: using the turfgrass growth potential

Measuring Sustainability and Leaves of Grass

Update 4 August 2014: In the latest announcement e-mail, Darry informs us that "You won’t want to miss this great opportunity to learn about turf, water and fitness ... never before has a program like this been assembled for our industry." I'll be speaking about the subjects mentioned below, David Paterson will be speaking about irrigation, and Mr. Antonio Barrias, the owner and head coach of CrossFit Cotai and CrossFit XVI, will be speaking about fitness and nutrition. And then, after the seminar, we will be in Macau, after all.

I'll be speaking about sustainability and leaves of grass at the South China Turf Managers Association (SCTMA) Educational Seminar on 15 August. This seminar, with a theme of Green Sustainability/Environment, will be held at the Sheraton Macau Cotai Central. If you would like to attend, please RSVP with Darry Koster, the SCTMA President. 

Hong_kong_cwb
Last time I attended an SCTMA seminar, with Dr. John Kaminski and SCTMA President Darry Koster at Clearwater Bay GC

I'm excited to discuss these topics, first by explaining how sustainability can be more than just a word with a vague meaning. In turfgrass management, we have a certain area of managed turf, we apply some amount of water, pesticides, and fertilizer, and we use fuel and electricity in some amount. Documenting these inputs is the first step in measuring sustainability, and once these inputs are known, and tracked, it is often possible to reduce these inputs. Those reductions, if tracked on a facility by facility and year by year basis, will be more sustainable, by any definition of that term. 

Gcm_documenting_sustainability
The December 2013 GCM article by Gelernter, Stowell, and Woods will set the framework for my talk on Measuring Sustainability

In my second presentation, I will talk about turfgrass nutrient use, and will explain how we can look at the nutrients in the leaves to estimate the maximum amount of any nutrient that the grass can use. Once we have the estimate of that maximum amount, it is a straightforward calculation to determine how much of that nutrient needs to be supplied as fertilizer. This process is the foundation of the minimum levels for sustainable nutrition (MLSN) guidelines, which are designed to ensure that any turfgrass, in any location, will be supplied with all the nutrients it requires.

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