Expert articles, practical guides, and updates for agricultural irrigation projects
100 post(s) - Page 3 of 7
A duty matrix checks low-flow and pressure limits before valve approval, with guidance for zero demand, unstable readings and field commissioning.
A pulse-to-volume worksheet with reciprocal factors, timed flow calculations, sparse-pulse alarms, counter continuity and an independent volume check.
Calculate pump and system-curve intersections as irrigation zones change, then check branch delivery, efficiency, source level and the limits of speed scaling.
A state-transition worksheet for irrigation pump automation, with physical delivery checks, a sector-overlap calculation and functional acceptance tests.
Translate water-quality laboratory reports into a treatment specification, with sampling questions, an incoming-solids calculation and an acceptance worksheet.
A stock-solution worksheet connecting product specifications, water analysis, storage temperature and two separate compatibility checks, with an illustrative concentration calculation.
A worked pressure-head ledger with named test points, regulator inlet requirements, emitter limits and a loaded-filter sensitivity check.
A practical emitter sampling worksheet with an original 36-reading example, flow conversions, low-quarter DU calculation and pressure-based diagnostic checks.
Create a station-to-valve wiring map with labelled common branches, reproducible de-energized resistance checks and a record of which physical valve each station operates.
Trace a failed irrigation zone from its command to the coil and water path, using two diagnostic tables, a worked resistance example and a return-to-service record.
Map representative soil zones, root depths and drip emitter wetting patterns, then commission each remote moisture monitoring station with a documented irrigation event.
Use paired pressure readings, measured flow and a clean-filter baseline to build a backwash setting record that protects downstream irrigation pressure.
Convert an approved nutrient target into fertilizer mass, stock volume and injection rate, then verify delivery with a timed calibration and operating record.
Build a pump duty worksheet that separates daily water volume, simultaneous zone flow, static rise, pipe losses and residual pressure.
Check meter location, measurement boundaries, pulse units and timed totals before accepting an ultrasonic water flow meter for an irrigation audit.