Based on the data of manmade soil and water loss(1986~1992) in Guangdong province, the authors studied the main factors of manmade soil and water loss, and its economic loss, increasing rate and harm, then put forward the countermeasures of the prevention and control. The sequence of sum total index in all items is:capital construction>mining >reclaiming wasteland with steepslope>brickkiln>destroying forest and vegetation. The economic loss is 31.36×104 yuan/km2 (RMB),an average increase...
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