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Agronix
Module · Precision agronomy

Irrigate when the soil needs it

The water balance of each field tells you when to irrigate and how many millimetres, with measured and forecast weather data.

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Irrigation advice with soil water day by day

Irrigating by the calendar wastes water and energy; irrigating late reduces yield. Every day Agronix calculates the field's water balance according to the FAO-56 manual: evapotranspiration, crop, soil, rainfall and recorded irrigation.

Water balance

A balance for every field

Reference evapotranspiration is calculated with Penman-Monteith from the data of the nearest weather stations; the crop coefficient follows the season's crop, the soil follows the soil analysis. Irrigations in the records count with the efficiency of the method, and the farm's own rain gauge takes priority over the station.

  • Daily Penman-Monteith
  • Crop, soil and irrigations already in Agronix
  • Farm rain gauge first

Advice

Get the «Irrigate» alert

The advice gives the date and the millimetres to apply, and flags when forecast rain brings the water back above the threshold. It appears on the field page and, if enabled, among the alerts and by email; the calculation repeats every six hours.

  • Date and millimetres
  • Forecast rain taken into account
  • Alert in the app and by email

How to use it

  1. 1

    Set crop and sowing

    From the season and the records.

  2. 2

    Record the soil analysis

    Texture and water holding capacity.

  3. 3

    Check the parameters

    Everything editable on the Irrigation page.

  4. 4

    Switch on the alert

    In the app and by email.

Specifications

Method
FAO-56: Penman-Monteith, crop coefficients, soil water balance.
Check
79 cases from the FAO manual; evapotranspiration within 0.01 mm of an independent calculation over 99 days.
Measured data
Arpa Piemonte stations within 30 km and 150 m of elevation difference.
Forecasts
MET Norway for the following days.

Irrigation advice is currently available for fields in Piedmont, where it uses the regional weather stations.

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