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earthworm
(Encyclopedia) earthworm, terrestrial, cylindrical segmented worm of the class Oligochaeta. There are 2,200 earthworm species, found all over the world except in arid and arctic regions and ranging…termite
(Encyclopedia) termite or white ant, common name for a soft-bodied social insect of the infraorder Isoptera. Originally classified in as a separate order, termites are genetically related to…Tarija
(Encyclopedia) TarijaTarijatärēˈhä [key], city (1992 pop. 90,113), alt. 6,421 ft (1,957 m), capital of Tarija dept., S Bolivia. It was founded in 1574. Tarija lies in a fertile valley in the eastern…Hilgard, Eugene Woldemar
(Encyclopedia) Hilgard, Eugene WoldemarHilgard, Eugene Woldemarhĭlˈgärd [key], 1833–1916, American agricultural chemist and geologist, Ph.D. Univ. of Heidelberg, 1853. Born in Germany, he was brought…Little Sioux
(Encyclopedia) Little SiouxLittle Siouxs&oomacr; [key], river, 221 mi (356 km) long, rising in SW Minn. and flowing generally SW across NW Iowa to the Missouri River S of Sioux City. Flowing…Frischlin, Nikodemus
(Encyclopedia) Frischlin, NikodemusFrischlin, Nikodemusnēkōdāˈm&oobreve;s frĭshˈlĭn [key], 1547–90, German satirist and philologist. His dramas, written in Latin and seemingly dealing with…hydrology
(Encyclopedia) hydrology, study of water and its properties, including its distribution and movement in and through the land areas of the earth. The hydrologic cycle consists of the passage of water…hydroponics
(Encyclopedia) hydroponics, growing of plants without soil in water to which nutrients have been added. Hydroponics has been used for over a century as a research technique, but not until 1929 were…defoliant
(Encyclopedia) defoliant, any one of several chemical compounds that, when applied to plants, can alter their metabolism, causing the leaves to drop off. In agriculture defoliants are used to…vetch
(Encyclopedia) vetch, common name for many weak-stemmed, leguminous herbs of the genus Vicia of the family Leguminosae (pulse family). The vetches are chiefly annuals, distributed over temperate…Trending
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