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A PZL-106 Kruk crop duster applying a fine mist A Mil Mi-8 spreading fertilizer. Aerial application, or what is informally referred to as crop dusting, [1] involves spraying crops with crop protection products from an agricultural aircraft. Planting certain types of seed are also included in aerial application.
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 ...
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.
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.
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.
Effects of poison oak are similar to those of its close relative poison ivy. It first causes severe itching, evolves into inflammation, non-colored bumps, and then blistering when scratched. It first causes severe itching, evolves into inflammation, non-colored bumps, and then blistering when scratched.
Jul. 21—Monday's crop-dusting helicopter crash in Elgin is bringing the safety concerns of the industry to the forefront. Accidents are unfortunately commonplace, said Terry Hamilton of Mower ...
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