Drip irrigation- I do this every year and it works great! Especially during a long Texas drought- less water waste. The only thing that kept my plants going, and once the plants get growing they hide the bottles. Quick and easy way to fertilize too!
What you need for an automated irrigation system in raised-bed vegetable gardens (and the cost)
Raised Bed Drip Irrigation System | Snip-n-Drip | Gardener's Supply
These sound like such an awesome idea. I would love to maybe incorporate these into my backyard garden... it would save a TON of hassle in the watering department.
Soaker Hose Drip Irrigation System for Garden Rows | Gardener's Supply
How to Convert Sprinkler Systems to Drip Irrigation | Home Guides | SF Gate
For raised or elevated garden beds, garden rows, or individual plant materials - create up to 10 zones.
Supply line to raised bed
An interesting system to water your raised beds. Accessories include a timing device.
Drip Irrigation System - Powered by Collected Rain Water