Drip irrigation with emitter tubing

Drip irrigation is the most water-efficient method for raised beds, delivering water directly to root zones through emitters embedded in tubing. A typical setup uses 1/2-inch main distribution tubing connected to 1/4-inch drip line or emitter tubing (such as Netafim Techline or Rain Bird XFD) with built-in pressure-compensating emitters spaced every 6-12 inches. Pressure-compensating emitters deliver consistent water flow regardless of pressure variations, so a 100-foot run releases the same volume at the end as at the beginning. A basic kit for one 4x8 bed costs $30-60 (brands: DIG, Rain Bird, Drip Depot). Run parallel lines of emitter tubing 12 inches apart across the bed. Connect to a hose bib with a pressure regulator (25 PSI), filter, and battery-operated timer ($20-40). Water for 20-30 minutes every 1-2 days depending on temperature and soil mix. Drip reduces water usage by 50-70% compared to overhead sprinklers and keeps foliage dry, reducing disease. Systems last 5-10+ years with basic maintenance (flushing lines seasonally, replacing filters). The upfront investment pays for itself in water savings within 1-2 seasons.