<Li> c. 20,500 (regular) c. 2,800 (temporary) </Li> <Tr> <Th> Website </Th> <Td> www.monsanto.com </Td> </Tr> <P> The Monsanto Company (/ mɒnˈsæntoʊ /) was an American agrochemical and agricultural biotechnology corporation that existed from 1901 until 2018 when it was acquired by Bayer . It was headquartered in Creve Coeur, Missouri . Monsanto developed Roundup, a glyphosate - based herbicide in the 1970s, and became a major producer of genetically engineered crops . </P> <P> Monsanto was one of four groups to introduce genes into plants (1983), and was among the first to conduct field trials of genetically modified crops, (1987). It was one of the top 10 U.S. chemical companies until it divested most of its chemical businesses between 1997 and 2002, through a process of mergers and spin - offs that focused the company on biotechnology . </P>

What is monsanto and what do they do
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