Subsurface Drip Design Calculator

Design SDI lateral layout from crop spacing, emitter specs, and peak ET to determine tape length, flow rates, and run times.

Field size (acres)

Field length (ft)

Crop row spacing (in)

Lateral spacing (in)

Emitter spacing (in)

Emitter flow rate (GPH)

Peak crop ET (in/day)

Tape burial depth (in)

Tape cost ($/ft)

System efficiency (%)

Tab to move between fields

Number of laterals

1,056

Application rate (in/hr)

0.32

Peak run time (hr/day)

Field width (ft)2,640

Total tape length (ft)1,393,920

Total tape (miles)264

Total emitters1,393,920

System flow rate (GPM)11,616

Meets capacity? (1=Yes)1

Total tape cost ($)$111,514

Tape cost per acre ($)$1,394

Est. wetted diameter (in)23

Lateral overlap (%)0

How to Use This Calculator

Enter Field size (acres), Field length (ft), and Crop row spacing (in).
Set Lateral spacing (in), Emitter spacing (in), and Emitter flow rate (GPH).
Adjust Peak crop ET (in/day), Tape burial depth (in) as needed.
Review Number of laterals, Application rate (in/hr), and Peak run time (hr/day).
Use Field width (ft) and Total tape length (ft) to inform your decision.

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