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Contour plowing or contour farming is the farming practice of plowing and/or planting across a slope following its elevation contour lines. These contour line furrows create a water break, reducing the formation of rills and gullies during heavy precipitation and allowing more time for the water to settle into the soil. [ 1 ]
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Random contour plowing also becomes off contour but usually with the opposite effect on runoff, namely causing it to quickly run off ridges and concentrate in valleys. The limitations of the traditional system of soil conservation , with its "safe disposal" approach to farm water , was an important motivation to develop Keyline design.
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In August 2020, the U.S. Food and Drug Administration (FDA) became aware of nitrosamine impurities in certain samples of rifampin. [61] The FDA and manufacturers are investigating the origin of these impurities in rifampin, and the agency is developing testing methods for regulators and industry to detect the 1-methyl-4-nitrosopiperazine (MNP ...
Thổ Chu Island (Vietnamese: đảo Thổ Chu or đảo Thổ Châu) is the largest island of Thổ Chu Islands in the Gulf of Thailand. Here lies the administrative center of Thổ Châu Commune, Phú Quốc District, Kiên Giang Province, Vietnam. In the West, [1] the island is also known as Poulo Panjang or Pulo Panjang. [2] [3] [4]
His ideas were put to the test and proved extremely successful. By May 1936, nearly 40,000 farmers had adopted his methods, "and 5.5 million acres were under new terraced and contour-listed cultivation. At the end of 1937, despite the persistent dust storms, the amount of dangerously eroded land had been reduced by more than half."
Logo. The Chiêu Hồi program ([ciə̯w˧ hoj˧˩] (also spelled "chu hoi" or "chu-hoi" in English) loosely translated as "Open Arms" [1]) was an initiative by the United States and South Vietnam to encourage defection by the People's Army of Vietnam (PAVN) and Viet Cong (VC) and their supporters to the side of South Vietnam during the Vietnam War.