Resources
What we learned flying and counting
Short guides for agronomists and pilots, written from what we see every week in flights and inventories. No filler; calculators where they help.
· 8 min read
How to fly an orchard with a drone for tree counting
Altitude, resolution (GSD), overlap and time of day so the flight is good enough to count every tree. With a per-drone calculator.
Read the guide· 6 min read
How many trees fit in a hectare by planting spacing
The formula, common spacings per crop and the difference between theoretical density and real trees. With a calculator.
Read the guide· 9 min read
From orthomosaic to inventory: what you can and cannot measure from the air
What an orthomosaic really measures: counts, canopy diameter, gaps and rows; and what cannot be measured from the air. With a pixels-per-canopy calculator.
Read the guide· 10 min read
NDVI vs NDRE in perennial crops: when each index lies to you
Where NDVI lies, where NDRE lies, the band-order mistake and why an uncalibrated index cannot be compared across flights. With an interactive comparator.
Read the guide· 9 min read
Orchard yield estimation: age, density, canopy and past harvests
The tree yield model in one line and with its assumptions: age, density, calibration with your harvests and error margin. With a calculator.
Read the guide· 8 min read
Frost in cold hollows: why the forecast says 4 degrees and you wake up to ice
Why 9 km models miss hollow frosts, how the forecast is corrected to the plot, and what satellite surface temperature really measures. With a calculator.
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