Precision drone application
From crop data to
precision application.
Multispectral analysis reveals variation within a field. Prescription maps turn that information, together with agronomic advice, into a plan for where and how much to apply by drone.
Multispectral crop analysis
Lower vegetation index
NDVI example
Higher vegetation index
Illustrative crop-variation map. Colours are not measured data or a treatment recommendation.
Multispectral analysis
Understand the crop before setting the rate.
Multispectral sensors measure reflected light in separate bands, including wavelengths beyond normal colour photography. Processing this imagery produces vegetation-index maps that help compare crop variation across the field.
A low index reading does not automatically mean “apply more fertiliser”. The cause of the variation and the crop’s likely response matter.
NDVI
Normalised Difference Vegetation Index
Uses red and near-infrared reflectance to indicate vegetation greenness and vigour. It helps highlight differences in crop cover and growth for closer investigation.
NDRE
Normalised Difference Red Edge
Uses red-edge and near-infrared reflectance. Its sensitivity to leaf chlorophyll provides a complementary view of crop variation when suitable sensor data is available.
Check the cause
Variation may reflect crop density, growth stage, soil, moisture or other stresses. Field checks and agronomic advice are needed to decide what action is justified.
Prescription map
Illustrative zones only. Actual rates are defined for the crop, product and agronomic objective; they are not assigned from map colours alone.
Treatment zones
A · Lower agreed rate
B · Standard agreed rate
C · Higher agreed rate
Excluded · No application
Prescription mapping
A rate for each treatment zone.
A prescription map adds an application decision to the crop information. It defines treatment zones, assigns agreed rates and identifies areas to exclude.
Rates can be expressed in litres or kilograms per hectare, with the product dose, dilution and total application volume clearly defined for the job.
Variable-rate application Different parts of the field receive different agreed rates.
Targeted application Only selected areas are treated, at a specified rate.
Exclusion areas Areas outside the treatment plan are marked for no application.
Precision workflow summary
01 / SURVEY
Capture crop variation with a suitable survey and georeferenced imagery.
02 / INTERPRET
Compare the map with field checks and agronomic insight to understand the pattern.
03 / PRESCRIBE
Define zones, agree rates and exclusions, and prepare a compatible prescription file.
04 / APPLY
Load the supported prescription and carry out the operation under pilot supervision.
FROM MAP TO DRONE
Let the prescription guide the application.
In a compatible workflow, the application system uses the drone’s position within the prescription map to select the planned output for that zone.
We confirm the map format, software support and practical application requirements before agreeing the work.
Check the imported plan
Confirm the field boundary, zone positions, rate units and exclusion areas before application.
Match output to the prescription
Set the application system to deliver the agreed rates within its operating limits and the product’s requirements.
Review the work
Keep the agreed prescription and available operation records. Use follow-up observations or surveys where they will help assess the crop response.
MAPPING QUESTIONS
Understanding the detail.
What the data can tell you, and how it can be used.