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Drip-line plants beside paving keep missing out
Why would plants beside a path or driveway stay dry when other plants on the same drip-irrigation zone seem to get enough water? I’m trying to understand whether the pattern would point more toward emitter placement, a clogged section, pressure variation, or soil near the paving behaving differently.
Would it help to know whether the tubing has separate emitters or built-in inline emitters, and how the dry spots line up with them and the hard edge? I’m also wondering whether checking flow at the end of the line is a useful way to distinguish a blockage from spacing, or whether it doesn’t tell much about water reaching each plant.
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An end-of-line flow check has a limit: water reaching the endpoint doesn’t show that every emitter is delivering a similar amount. Compare output from emitters near the start and end while the zone runs under the same conditions. A consistent drop toward the end shows a pattern worth investigating, while one low-output emitter among otherwise similar ones points to a more localized difference. Neither pattern identifies the cause on its own.