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agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… … Universalium
History of agriculture in the People's Republic of China — For over 4,000 years, China has been a nation of farmers. By the time the People s Republic of China was established in 1949, virtually all arable land was under cultivation; irrigation and drainage systems constructed centuries earlier and… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Organic hydroponics — uses organic fertilizer. Conventional hydroponics cannot use organic fertilizer because organic compounds contained in hydroponic solution inhibit the growth of the crop roots, so it uses only inorganic frertilizer. In organic hydroponics,… … Wikipedia
Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… … Wikipedia
Agriculture — General … Wikipedia
AutoAnalyzer — is an automated analyzer using a special flow technique named continuous flow analysis (CFA) first made by the Technicon Corporation. The instrument was invented 1957 by Leonard Skeggs, PhD and commercialized by Jack Whitehead s Technicon… … Wikipedia
Nonpoint source pollution — Muddy river polluted by sediment. Photo courtesy of United States Geological Survey. Nonpoint source (NPS) pollution refers to both water and air pollution from diffuse sources. Nonpoint source water pollution affects a water body from sources… … Wikipedia
MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel … Wikipedia
Oklahoma City bombing — The Alfred P. Murrah Federal Building two days after the bombing Location … Wikipedia
Washington Consensus — The term Washington Consensus was initially coined in 1989 by John Williamson to describe a set of ten specific economic policy prescriptions that he considered to constitute a standard reform package promoted for crisis wracked developing… … Wikipedia
