An agronomist opted for drone turnkey solutions to scout weeds in post-emergent soybean. Engaging a drone operator made the process of getting remote-sensed aerial imagery analyzed by Agremo software solutions convenient and effortless.
Manual scouting for weeds in a 95.43-acre farm cannot provide accurate estimates of the percentage of damage nor the exact location of infestations. Precision farming techniques that rely on drone imagery analysis are the simplest option for an agronomist to obtain objective and historical data on weeds.
Weeds are endemic and regenerate from seedbanks in the soil, so maps of an infestation can help in current control and future risk assessment.
The drone operator, who had previously used Agremo web app, chose to reuse this software service, given its
After taking high-resolution drone images and stitching them to get a map, the drone operator uploaded it to the Agremo web app to use Weed Analysis.
The report showed that only 39% of the farm was weed-infested, while the analyzed shapefile, demarcated fine, potential, and weed stress zones. An SMS leader helped the agronomist create a prescriptive variable spraying map based on the analyzed shapefile. The farmer uploaded this map to his John Deere tractor to spray affected areas correctly.
By reducing treatment to 39% of the total farm area, the farmer saved $1422.86 in second herbicide spray costs. Moreover, the overapplication of chemicals that lead to weed resistance and environmental damage was considerably diminished.
As he had prior experience with Agremo, William offered to get the remote-sensed aerial imagery and analyze them. First, he registered a new account for the farmer, so they could conduct follow-ups if necessary. Then, he completed the familiar three-step process:
With his drones, William took several pictures of the farm, making sure they had an overlap.
Using his own account at DroneDeploy, he stitched the photos to get a seamless map of the entire soybean field.
The prepared map was then uploaded onto the Agremo web app. William chose weed analysis and entered crop details and its growth stage.
He received the PDF report and an analyzed map as a shapefile, with three weed zones demarcated by color: fine or no stress zones (green), potential stress zones (yellow), weed stress zones (red). Only 39% (37.22 acres) of the 95,43 acres showed potential and weed stress and needed to be treated. The remaining 58.21 acres were fine
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William immediately shared the shapefile and document with Danielle, so that she could advise the farmer on the proactive measures he had to take.
Danielle, in turn, shared the Agremo weed analysis report with the farmer and showed him the exact places on his farm that were infected. She advised him to spray only the affected 37.22 acres to cut costs and prevent environmental damage.
With the help of the instructions provided in a video, the Agronomist used the Agremo’s SMS software to convert the shapefile into a variable spraying map. She input 100% recommended herbicide rates for areas with weeds and a lesser dosage for areas with potential stress to prepare a variable rate spraying map. Evidently, the agronomist could also tell the farmer the exact amount of herbicide to buy.
The farmer uploaded the prescriptive map to his John Deere tractor, which could read it. During the spraying process, the farmer could easily find the problem spots and apply the correct amounts. Thus, Danielle helped the farmer:
Danielle and William helped the farmer improve his profits and still maintain optimum yields, by integrating drones into his day-to-day workflows. The powerful data they provided him made once-difficult tasks simple.
During the first pre-emergence herbicide treatment, before performing Agremo weed analysis, the farmer spent $22 per acre as he sprayed the entire field (see Table 1).
The weed analysis report showed the farmer could restrict his second treatment to only 39% of his farm. The prescriptive map further helped calculate the exact amount of herbicides he needed. The agronomist recommended two sprays to treat the broadleaved and grass weeds separately, which cost the farmer $17 per acre and $14 per acre, respectively.
The drone scouting-turnkey services cost $4 per acre. Yet, the farmer saved 14.91 $/acre by not spraying 61% of his farm, which had no weeds.
Relying on traditional farming approaches and spraying the whole farm would have cost him $61.00 per acre. Informed decisions made using precision farming methods reduced his costs to $46.09 per acre. That amounted to a saving of $1,422.86 for the entire farm.
Data has to be quick, comprehensive, and highly accurate to be useful in agricultural operations. Growers can then perform fewer unnecessary measures and add more efficient practices, and the overall ROI will be quickly visible.
Agremo services have been designed for use by agronomists, drone operators, or directly by farmers.
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