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Winter CY2025, by May 1st 2025

Scope

Also see Requirements where the “Versions” column indicates V2Requirements defined in V1 that are relevant in V2 can be found here: Requirements (look for ‘V2’ in the version columns).

New requirements specific to Smart Irrigation V2 can be found below:

Epic

User story

Additional context

Refactor sensor architecture

As a user I want to be able to look over historical data for any period where my sensors where gathering in field data so that I can learn from the data that I’ve generated

Areas to investigate here:

  • Review architecture and refactor as needed

  • Make queries against time series data more performant

  • Automated migration of data out of Postgres after a certain amount of time?

  • Move from static to dynamic sensor reading view window

  • Others?

Crop data

As a farmer growing a particular crop I want LiteFarm to know the water needs for that crop by crop stage so that the irrigation prescription recommendations are in line with optimizing my crop

We will need to collect at least the following data for all crops identified in the diagram from /wiki/spaces/LITEFARM/pages/1487175681:

  • Crop stage data (based on days from planting)

  • Crop specific ET curves

Also see https://lite-farm.atlassian.net/wiki/spaces/LITEFARM/pages/1172963329/Smart+irrigation#V2.

Weather data

As a farmer using autonomous irrigation where weather is the primary input into irrigation decisions I want weather data to be recent and hyperlocal so that the irrigation prescription recommendations are in line with optimizing my crop

Also see the diagram from https://lite-farm.atlassian.net/wiki/spaces/LITEFARM/pages/1172963329/Smart+irrigation#V2.

This is an example of weather data from /wiki/spaces/LITEFARM/pages/1180499971 which took place in Enchant, AB.

Support for “Pivot irrigated field” locationAdditional pivot support

As a farmer using a particular brand of pivot I want to know that LiteFarm autonomous irrigation prescriptions support my pivot type before adopting the software so that I don’t waste my time

Instructions for converting irrigation prescriptions to “.vri” to support Zimmatic pivots can be found here: Working with VRI files

However, this will need to be expanded to support additional pivot brands once the sites have been defined here: /wiki/spaces/LITEFARM/pages/1487175681

Things to be investigated

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Question

Answer

Notes

How do does LiteFarm begin to support layers?

See Layers V1.0.

For sensors at the same lat / long but with multiple depths, how should we be visualizing those depths?

See https://lite-farm.atlassian.net/wiki/spaces/LITEFARM/pages/1202290689/Sensor+Q+A#How-do-we-link-up-sensor_reading_types-with-a-depth-via-csv-upload%3F . Suggest overlaying different depths on the same x-axis (time) so you can see the impact of irrigation events at different depths.

Should we refactor “temperature” to be “soil_temperature”?

Right now “temperature” is a partner_reading_type. However, this actually indicates “soil temperature” and may become confusing as we begin to use air temperature as well.

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See https://lite-farm.atlassian.net/wiki/spaces/LITEFARM/pages/1172963329/Smart+irrigation#Reading-list.

The successful proposal:

View file
name2024F2784R_Smart Irrigation (1).pdf