Columbia Encyclopedia

(Encyclopedia) agronomy əgrŏnˈəmē [key], branch of agriculture dealing with various physical and biological factors—including soil management, tillage, crop rotation, breeding, weed control, and climate—rel...

(Encyclopedia) Chao Phraya both: mănämˈ [key], chief river of Thailand, c.140 mi (230 km) long, formed by the confluence of the Ping (c.300 mi/480 km long) and the Nan (c.500 mi/800 km) rivers at Nakhon Sawan, W ...

(Encyclopedia) Houghton, Michael, 1949–, Canadian biochemist, Ph.D. King's College, London, 1977. He joined G.D. Searle & Co. in 1977, then became (1982) a researcher at the Chiron Corp. In 2007 Houghton was a...

(Encyclopedia) Huambo nōˈvə lēzhvōˈə [key], city (1983 est. pop. 203,000), W central Angola. The chief town of inland Angola, Huambo stands on a high plateau and serves as a road, rail, and air transport hub ...

(Encyclopedia) Ijebu-Ode ējābo͞oˈ-ōdāˈ [key], town (1991 est. pop. 138,000), SW Nigeria. It is a commercial town and a collection point for cacao, kola nuts, and palm products. Manufactures include textiles, ...

(Encyclopedia) Kumamoto ko͞omäˈmōtō [key], city (1990 pop. 579,306), capital of Kumamoto prefecture, W Kyushu, Japan. It was an important castle town in the 17th cent.; one of its castles (built 1651) still sta...

(Encyclopedia) Surakarta or Soerakarta both: so͞oräkärˈta [key], city (1990 pop. 503,827), on central Java, Indonesia, on the Solo River. Connected by rail with Surabaya and Jakarta, it is a trade center for an ...

(Encyclopedia) Turan to͞oränˈ [key], desert lowland, shared by Kazakhstan, Uzbekistan, and Turkmenistan, S and E of the Aral Sea. The Amu Darya and Syr Darya rivers divide it into the Kara Kum desert in the south...

(Encyclopedia) Roseville. 1 City (1990 pop. 44,685), Placer co., N central Calif., a suburb of Sacramento in the foothills of the Sierra; inc. 1909. Marked by rapid growth in the late 20th cent., Roseville is in an ...

(Encyclopedia) Santa Cruz de la Sierra ᵺā lä sēĕrˈä [key], city (1992 pop. 697,278), capital of Santa Cruz dept., central Bolivia, on the Piray River. A trade and processing center for sugar, rice, cotton, f...