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The first commercial cropdusting operations began in 1924 in Macon, Georgia [6] by Huff-Daland Crop Dusting, which was co-founded by McCook Field test pilot Lt. Harold R. Harris. [4] Use of insecticide and fungicide for crop dusting slowly spread in the Americas and, to a lesser extent, other nations in the 1930s. The name 'crop dusting ...
The "Topdress III" trials culminated on 21 May 1949 with a demonstration drop on 11 different properties close to Masterton in front of large numbers of farmers and press. These trials were calculated to have spread 2.5 cwt/acre (31,000 kg/km 2 ) at an all-up cost of 15 shillings ($1.50) per acre (4047 m 2 ), despite the use of inappropriately ...
Here we look at 7 safe ways to get rid of poison oak from your yard. It is important to stress that people with a severe poison oak allergy should not be involved with its removal.
An agricultural aircraft is an aircraft that has been built or converted for agricultural use – usually aerial application of pesticides (crop dusting) or fertilizer (aerial topdressing); in these roles, they are referred to as "crop dusters" or "top dressers".
Here's what you need to know about some of the more common plants to stay away from, like poison hemlock, poison ivy and poison oak.
Toxicodendron diversilobum is extremely variable in growth habit and leaf appearance. It grows as a dense 0.5–4 metres (1 + 1 ⁄ 2 –13 feet) tall shrub in open sunlight, a treelike vine 3–9 m (10–30 ft) and may be more than 30 m (100 ft) long with an 8–20 centimetres (3 + 1 ⁄ 4 – 7 + 3 ⁄ 4 inches) trunk, as dense thickets in shaded areas, or any form in between.
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Poison oak is not an oak (Quercus, family Fagaceae), but this common name comes from the leaves' resemblance to white oak (Quercus alba) leaves, while poison ivy is not an ivy (Hedera, family Araliaceae), but has a superficially similar growth form. Technically, the plants do not contain a poison; they contain a potent allergen.