Gardening columnist Joshua Siskin reports the item in the Los Angeles Daily News.

Conventional spray sprinklers can easily be replaced with rotating stream spray nozzles. These rotaries apply water much more slowly than spray sprinklers and, consequently, runoff is significantly reduced.

While rotating stream spray nozzles are best suited to lawn, ground-cover areas and slopes, low-volume microspray irrigation, an embellishment of drip irrigation, is meant for perennial, shrub and flower-bed applications.

Microspray sprinklers, jets or emitters work best in drip tubing. It?EUR??,,????'???s fairly easy to connect drip tubing to a sprinkler valve. All you need is the appropriate adapter, pressure regulator and filter, plastic pieces that can be found in most home-improvement centers.

There are distinct advantages to microspray ?EUR??,,????'??? as opposed to drip ?EUR??,,????'??? irrigation. Most important, perhaps, is that you can see at a glance whether water is flowing through a microspray jet, while drip lines or emitters may clog without notice. Also, a single microspray sprinkler can cover a larger area than a single drip emitter.