File:Contractor Brown Williams Aviation Ltd., loading seed for aerial sowing.jpg

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English: An agricultural aircraft is an aircraft that has been built or converted for agricultural use - usually aerial application of pesticides or fertiliser, but also for hydroseeding.

Crop dusting with insecticides began in the 1920s in the United States. The first widely used agricultural aircraft were converted war-surplus biplanes, such as the De Havilland Tiger Moth and Stearman.

After more effective insecticides and fungicides were developed in the 1940s, and aerial topdressing was developed by government research in New Zealand, purpose-built agricultural fixed-wing aircraft became common.

In the US and Europe, agricultural aircraft are typically small, simple, and rugged. Most have spraying systems attached to the trailing edges of their wings, and pumps are usually driven by wind turbines.

In places where farms are larger, such as New Zealand, Australia, the former Warsaw pact nations and parts of the developing world, larger and more powerful aircraft have been used.

Aerial spraying has been controversial since the 1960s, due to environmental concerns about pesticide drift. It is now often subject to restrictions.

Description source: Wikipedia

View the original image at Queensland State Archives:

Digital Image ID 16990
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Source https://www.flickr.com/photos/60455048@N02/38560885830/
Author Queensland State Archives

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This image was originally posted to Flickr by Queensland State Archives at https://flickr.com/photos/60455048@N02/38560885830. It was reviewed on 15 July 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

15 July 2021

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current09:22, 15 July 2021Thumbnail for version as of 09:22, 15 July 20212,600 × 1,939 (2.4 MB)Oxyman (talk | contribs)Uploaded a work by Queensland State Archives from https://www.flickr.com/photos/60455048@N02/38560885830/ with UploadWizard

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