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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 ]
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.
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 ...
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The government of Vietnam provided the bureau with additional information in May 2002, announcing the decision of the Prime Minister of Vietnam (December 2001) on upgrading Phong Nha–Kẻ Bàng to the Phong Nha–Kẻ Bàng National Park with a total area of 857.54 km 2; providing information on projects for the conservation and development ...
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."
Rifapentine in pregnant women has not been studied, but animal reproduction studies have resulted in fetal harm and were teratogenic. If rifapentine or rifampin are used in late pregnancy, coagulation should be monitored due to a possible increased risk of maternal postpartum hemorrhage and infant bleeding. [2]