A golf course superintendent at Royal Birkdale is legally barred from maintaining The Open's turf the way almost every other course on earth does — because the ground is a protected wildlife reserve.
Most greenkeeping runs on chemistry. Spray the fungus, spray the weeds, feed the grass, repeat. At Royal Birkdale the crew can't, and not by choice. The dunes are a legally protected habitat for some of Britain's rarest wildlife — the natterjack toad and the sand lizard among them — so near water and the sensitive areas, the chemical sprays that modern greenkeeping is built on are simply off the table. The wildlife has legal standing. The maintenance program has to bend around it.
So the work goes backward in time. Every winter the crew hand-cuts invasive sea buckthorn out of the dunes — slow, thorny, endless labour — to keep the soil lean and nutrient-poor. That poverty is the entire point: starve the ground and the fine fescue links grasses win; feed it and the wrong species take the course. A championship links surface here isn't sprayed into existence, it's earned by hand and defended by restraint.
Watch the full documentary: youtu.be/2W2_5xEUE_M