Columbia Encyclopedia
Search results
500 results found
harrow, in agriculture
(Encyclopedia)harrow, farm implement, consisting of a wooden or metal framework bearing metal disks, teeth, or sharp projecting points, called tines, which is dragged over plowed land to pulverize the clods of eart...grain, in agriculture
(Encyclopedia)grain, in agriculture, term referring to the caryopsis, or dry fruit, of a cereal grass. The term is also applied to the seedlike fruits of buckwheat and of certain other plants and is used collective...drainage, in agriculture
(Encyclopedia)drainage, in agriculture, the removal of excess water from the soil, either by a system of surface ditches, or by underground conduits if required by soil conditions and land contour. Diesel or centri...commune, in agriculture
(Encyclopedia)commune, in agriculture: see collective farm. ...farming, in agriculture
(Encyclopedia)farming, in agriculture: see agriculture. ...share, in agriculture
(Encyclopedia)share, in agriculture: see plow.National Museum of the United States
(Encyclopedia)National Museum of the United States: see Smithsonian Institution. ...Great Seal of the United States
(Encyclopedia)Great Seal of the United States: see United States, Great Seal of the. ...Seal of the United States, Great
(Encyclopedia)Seal of the United States, Great: see United States, Great Seal of the. ...Presidents of the United States (table)
(Encyclopedia)Presidents of the United StatesBrowse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
