(Encyclopedia) cover crop, green temporary crop grown to prevent or reduce erosion and to improve the soil by building up its organic content. Green-manure crops, which are specifically grown for…
(Encyclopedia) chloroplastchloroplastklōrˈəplăstˌ, klôrˈ– [key], a complex, discrete green structure, or organelle, contained in the cytoplasm of plant cells. Chloroplasts are reponsible for the…
(Encyclopedia) ferrous sulfate or iron (II) sulfate, chemical compound, FeSO4. It is known as the monohydrate, FeSO4·H2O; the tetrahydrate, FeSO4·4H2O; the pentahydrate, FeSO4·5H2O; and the…
(Encyclopedia) Herrera, Carmen, 1915–, Cuban-American abstract painter, b. Havana. After studying architecture at the Univ. of Havana (1938–39), she trained at the Art Students League, New York (1942…
(Encyclopedia) berylberylbĕrˈĭl [key], mineral, a silicate of beryllium and aluminum, Be3Al2Si6O18, extremely hard, occurring in hexagonal crystals that may be of enormous size and are usually white…
actressBorn: 3/20/1958Birthplace: Conyers, Georgia Academy- and Emmy Award-winning film and television actress. Often thought of as a Southern bundle of energy who can talk, talk, talk, she proved…
(Encyclopedia) parakeet or parrakeet, common name for a widespread group of small parrots, native to the Indo-Malayan region and popular as cage birds. Parakeets have long, pointed tails, unlike the…
(Encyclopedia) Péguy, CharlesPéguy, Charlesshärl pāgēˈ [key], 1873–1914, French poet and writer. Of a poor, working family, he won scholarships and made a brilliant record as a student. He left the…
musicianBorn: 2/25/1943Birthplace: Liverpool, England Guitarist and songwriter sometimes referred to as “the quiet Beatle,” but nonetheless a key element in the group's success and a major rock and…
