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2. Aerial application - Wikipedia

   en.wikipedia.org/wiki/Aerial_application

   Under the direction of McCook engineer Etienne Dormoy, a United States Army Air Service Curtiss JN4 Jenny piloted by John A. Macready was modified at McCook Field to spread lead arsenate to kill catalpa sphinx caterpillars at a catalpa farm near Troy, Ohio in the United States. [4] [5] The first test was considered highly successful. [4]

3. Center-pivot irrigation - Wikipedia

   en.wikipedia.org/wiki/Center-pivot_irrigation

   A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.

4. Agricultural aircraft - Wikipedia

   en.wikipedia.org/wiki/Agricultural_aircraft

   The CA-28 was a crop spraying aircraft of the 1950s. Aerial spraying has been controversial since the 1960s, due to environmental concerns about pesticide drift (raised for example by Rachel Carson's book Silent Spring). It is now often subject to restrictions, for example spraying pesticide is generally banned in Sweden, although exceptions ...

5. Aerial spraying set for Modesto to control mosquitoes that ...

   www.aol.com/news/aerial-spraying-set-modesto...

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6. Aerial spraying to combat spongy moth caterpillars starts in ...

   www.aol.com/news/aerial-spraying-combat-spongy...

   A helicopter spraying to help control spongy moth caterpillar activity passes over the Oakwood neighborhood in Patton Township on Tuesday, May 16, 2023. (Abby Drey/adrey@centredaily.com)

7. RAF Chilbolton - Wikipedia

   en.wikipedia.org/wiki/RAF_Chilbolton

   The radio telescope is still in use today. Various other enterprises flourished or faded in the buildings on the periphery of the airfield. Flying continued on the old airfield during the 1980s when helicopters and light aircraft serving a field-spraying organisation were in residence, using a grass strip built parallel to the main north ...