Irrigation Design Calcs

55 ft row with Toro BlueLine Classic Dripline – 0.620″ (18 mm), 0.53 GPH, 12″ Spacing,

  • 55 emitters/row at 0.53 GPH = 0.91 GPM
  • 0.91 x 11 rows of corn = 10 GPM must pass the pressure reducer

For Toro Design advice, charts, and graphs, go to BlueLine Classic dripline.


Rain Bird Drip Irrigation Pressure Regulator, 25 PSI, 3/4″ Female Hose Thread x 3/4″ Male Hose Thread – HT07525PS, maximum flow rate of 20 gallons per minute. For more info, see https://www.plumbersstock.com/rainbird-ht07525ps.html