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The word pesticide derives from the Latin pestis (plague) and caedere (kill). [5]The Food and Agriculture Organization (FAO) has defined pesticide as: . any substance or mixture of substances intended for preventing, destroying, or controlling any pest, including vectors of human or animal disease, unwanted species of plants or animals, causing harm during or otherwise interfering with the ...
John E. Franz (born December 21, 1929) is an organic chemist who discovered the herbicide glyphosate while working at Monsanto Company in 1970. [1] The chemical became the active ingredient in Roundup, a broad-spectrum, post-emergence herbicide.
Carver learned about herbal medicine, natural pesticides, and natural fertilizers that yielded plentiful crops from his caretaker. When crops and house plants were dying, he would use his knowledge and go and nurse them back to health. As a teenager, he was termed the "plant doctor".
A related mechanism is that an adaptable enzyme such as cytochrome P450 is redesigned to neutralize the pesticide itself. [78] Non-target-site resistance: In non-target-site resistance, the genetic change giving resistance is not directly related to the target site, but causes the plant to be less susceptible by some other means.
Norman Borlaug wrestling at the University of Minnesota. Borlaug was the great-grandchild of Norwegian immigrants to the United States. [18] Ole Olson Dybevig and Solveig Thomasdatter Rinde, of Feios, a small village in Vik kommune, Sogn og Fjordane, Norway, emigrated to Dane County, Wisconsin, in 1854.
One of them was Herman Bekele, last year’s winner, who invented a $.50 bar of soap to treat skin cancer. “He's 15 years old, and he is working with a professor at Johns Hopkins on some things ...
In particular, the concepts of non-tillage, relay cropping, cover-cropping, and plant biodiversity have been shown to prevent soil loss, reduce or eliminate the need for pesticides or fertilizers, and reduce flooding, while increasing water retention, and providing habitat for insects that contribute positively to both crop and ecosystem health.
The developing sciences of chemistry and Paleontology, combined with the discovery of coprolites in commercial quantities in East Anglia, led Fisons and Packard to develop sulfuric acid and fertilizer plants at Bramford, and Snape, Suffolk in the 1850s to create superphosphates, which were shipped around the world from the port at Ipswich. By ...