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Ecology 8. More disturbing news for bowling clubs

Last time, I introduced the subject of Disturbance in bowling green ecology and maintenance. I finished by posing the question; How can we use disturbance theory to our advantage in our quest to create a Performance Bowling Green?

To answer that, let’s look at what might constitute Disturbance in the average bowling green. As greenkeepers we actually have an impressive amount of potential influence we can bring to bear on the turf environment; some good and some bad. We can think of these influences as pressures and by applying them with the right force we can manipulate the bowling green eco system (to some degree) to our advantage.

Last time we also discussed Stress factors, which when compared with physical disturbance from our machinery and bowling, can seem innocuous, but the overall affect of say LDP can easily be more damaging to our turf in the long term than an obvious physical disturbance like hollow tining.

Every day Greenkeeping and bowling can have a high disturbance value and put the very grass we are tending under a lot of stress. Mowing, verti-cutting, wear from bowling, pests, diseases, disorders, aeration, top dressing, water and nutrient availability and soil pH can all cause stress to a greater or lesser degree and this will change depending on grass species, general green condition, weather and soil type/condition.

Well the answer is clear then isn’t it? Maybe if we just do nothing (which is the right thing sometimes) the green will improve on its own. If we had unlimited time and didn’t need the green to be prepared for bowling, then I would say absolutely yes, leave it alone, bar maybe a sheep or two and it would sort itself out easily. There would be no thatch, compaction or LDP either. But we don’t have that luxury so we need to intervene to get our green in the shape we want, especially if our green has

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