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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.
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Rice terraces in Sa Pa, Vietnam. Rice terraces of the Hani people in Yunnan, China. Rice terrace in the Fukuoka Prefecture, Japan. In agriculture, a terrace is a piece of sloped plane that has been cut into a series of successively receding flat surfaces or platforms, which resemble steps, for the purposes of more effective farming.
He made a series of studies and published reports outlining more efficient methods of utilizing water in the semi-arid southern Great Plains region, such as terracing and contour plowing. [2] His findings were mostly ignored until the prolonged drought of the 1930s led to the Dust Bowl.
Terraces, conservation tillage, and conservation buffers save soil and improve water quality on this Iowa farm. Hydroseeding in the United Kingdom Tateyama SabÅ Erosion Control Works Service Train (description page) Erosion control construction entrance (description page)
The Vietnamese Wikipedia initially went online in November 2002, with a front page and an article about the Internet Society.The project received little attention and did not begin to receive significant contributions until it was "restarted" in October 2003 [3] and the newer, Unicode-capable MediaWiki software was installed soon after.