The answer to 'irrigation installation turning brown' is that there are several common causes for this issue, including problems with the sprinkler heads, the irrigation system's water pressure, or the quality of the water itself. Symptoms may include patchy brown spots in the lawn, uneven watering coverage, or reduced plant growth.
Some potential solutions include adjusting or replacing sprinkler heads, checking for leaks or clogs in the system, and testing the water pressure. If the issue persists, it may be time to call in a professional landscaping or irrigation specialist to diagnose and fix the problem.