The New Encyclopędia Britannica: L-ZEncyclopędia Britannica, 1992 - 32 pages |
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Page 188
... developed in the Great Plains of the United States early in the 20th century . It depended on the efficient storage of the lim- ited moisture in the soil and the selection of crops and growing methods that made best use of this moisture ...
... developed in the Great Plains of the United States early in the 20th century . It depended on the efficient storage of the lim- ited moisture in the soil and the selection of crops and growing methods that made best use of this moisture ...
Page 189
... developed to meet the needs of varying climates , growing seasons , soils , and other factors . The large hybrid seed - corn companies undertook complex applied - research programs , while state experiment stations and the U.S. ...
... developed to meet the needs of varying climates , growing seasons , soils , and other factors . The large hybrid seed - corn companies undertook complex applied - research programs , while state experiment stations and the U.S. ...
Page 190
... developed in the United States in the latter part of the 19th and first part of the 20th century were heavy , fat - producing animals that met the demands for lard . During the 1920s lard became less important as a source of fat because ...
... developed in the United States in the latter part of the 19th and first part of the 20th century were heavy , fat - producing animals that met the demands for lard . During the 1920s lard became less important as a source of fat because ...
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20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Cōte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe