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Zyklon B (German: [tsyˈkloːn ˈbeː] ⓘ; translated Cyclone B) was the trade name of a cyanide-based pesticide invented in Germany in the early 1920s. It consists of hydrogen cyanide (prussic acid), as well as a cautionary eye irritant and one of several adsorbents such as diatomaceous earth .
The Deutsche Gesellschaft für Schädlingsbekämpfung mbH (transl. German Corporation for Pest Control), oft shortened to Degesch, was a German chemical corporation which manufactured pesticides. Degesch held the patent on the infamous pesticide Zyklon, a variant of which was used to execute people in the gas chambers of German extermination ...
The annexed area had a population of 8,530,000 people (including about 1 million Polish Jews) and the Germans hoped to replace most of them with 530,000 ethnic Germans who had been repatriated from Eastern Europe in 1939 and 1940. In reality, the plan for massive population transfers and resettlement of Germans on Polish farms fell far short of ...
Henry Ford had been at the center of American technology transfer to the Soviet Union in the 1930s; he sent over factory designs, engineers, and skilled craftsmen, as well as tens of thousands of Ford tractors. By the 1940s Khrushchev was keenly interested in American agricultural innovations, especially on large-scale family-operated farms in ...
The development of organophosphate insecticides dates back to the 1930s and is generally credited to Gerhard Schrader. [28] At the time pesticides were largely limited to arsenic salts (calcium arsenate, lead arsenate and Paris green) [29] or pyrethrin plant extracts, all of which had major problems. [30]
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Download as PDF; Printable version; In other projects Wikimedia Commons; ... Pages in category "1930 in Europe" The following 18 pages are in this category, out of 18 ...
Pesticides can enter the body through inhalation of aerosols, dust and vapor that contain pesticides; through oral exposure by consuming food/water; and through skin exposure by direct contact. [96] Pesticides secrete into soils and groundwater which can end up in drinking water, and pesticide spray can drift and pollute the air.