Four ways in. One farm record.

Water quality without a meter

Landsat-9 and Sentinel-2 pass over the Andhra coast on a fixed schedule and have been recording it for years. We clip that imagery to your exact pond outline.

Eleven indices per clear pass: surface temperature straight off Landsat-9's thermal sensor, turbidity and clarity, salinity, pH and alkalinity, chlorophyll-a and floating algae for bloom risk, dissolved organic matter and suspended solids for ammonia risk, and the land use around your farm. Each one is labelled in the app with how it was obtained.

Because the archive already exists, a farm can be read backwards — a season you did not measure at the time is available now.

What you get. A water record for every pond you farm, stretching back through seasons you never measured, with no meter to buy and nothing installed in the water. Keep your meter on the bund for dissolved oxygen — BlueSat handles everything the satellites can see.

Ponds mapped by a person

A farm buddy visits, traces each pond on satellite imagery while standing at the water, and records the details that the rest of the system depends on.

Water spread area is calculated from those traced outlines. It is never typed into a form, because the Coastal Aquaculture Authority assesses a fee on that figure, and a typed estimate is indistinguishable from a measurement once it has been stored — including to the person who typed it.

• Survey number taken from the pattadar passbook, entered once
• Pond boundaries traced on imagery, on site
• Farm coordinates and area derived from the outlines
• Login handed over in person; there is no signup form

What you get. A water spread area you can put in front of the Coastal Aquaculture Authority, pond boundaries accurate enough to clip satellite imagery to, and a login in your hand before your buddy leaves the farm. One visit, and the setup is done.

CAA records that hold up

Coastal aquaculture in India requires registration with the Coastal Aquaculture Authority. The figures it asks for are the same ones the app is already keeping.

Form I wants the survey number, the water spread area, the species and the stocking density. Those fields are tracked as part of ordinary use rather than assembled in a panic before an inspection, and registration expiry is watched.

The CAA caps L. vannamei at 60 post-larvae per square metre. International aquaculture writing calls 70–100/m² ordinary; our density bands follow the Indian cap, because a tool that tells a farmer here that 90/m² is normal is giving advice that could cost them their registration.

What you get. The Form I figures already assembled and current, density checked against the Indian cap as you stock, and registration expiry watched for you — so an inspection is a morning of paperwork you already have rather than a scramble.

Cycles, feed and what the crop actually did

Stocking to harvest, pond by pond, with the feed and the growth samples in the same place as the water readings.

Feed conversion ratio and survival are calculated from your own logs, crop by crop — real figures for your ponds, not an industry average. Every number on the screen traces back to something you or your buddy actually recorded, which is what makes it worth stocking the next cycle against.

Once a cycle is finished you can look at the water through a season whose outcome you already know. That is how a pattern becomes a rule you can farm by.

What you get. FCR and survival calculated from your own crop rather than from a rule of thumb, cycle against cycle, so you can see which ponds and which practices actually pay — and carry that into the next stocking.