First National Soil Survey nearly two contaminated farmland

Beijing News (Reporter Kim Yu) first national soil survey results released yesterday. From the monitoring point of view, the total national soil exceeded the rate of 16.1%, the overall is not optimistic. Worrying cultivated soil environmental quality arable points exceeded the rate (the number of points exceeding the soil survey accounted for the proportion of the total number of points) up to 19.4%. In addition, heavy metals cadmium pollution increase, the national average cadmium content up to land more than 50%.

"some areas of heavy soil pollution, soil environmental quality of farmland worrying, mining and industrial wasteland soil Cheap Napoli Jerseys environmental issues outstanding." This is yesterday's Ministry of Environmental Protection and the Department of Homeland jointly issued the "National Survey Bulletin soil pollution," the conclusions given .

This is the first national soil pollution nationwide survey conducted by MEP from April 2005 to December 2013 to carry out the investigation which lasted eight years. Survey points to cover all arable land territory other than Hong Kong and Macao Special Administrative Regions and Taiwan Province, part of the woodland, grassland, unused land and construction land, the actual survey an area of ​​about 6.3 million square kilometers.

According to yesterday announced the "Communique", the country's point total soil exceeding the rate of 16.1%, including mild, mild, moderate and severe pollution point ratio was 11.2%, 2.3%, 1.5% and 1.1% .

highest standard rate is arable, reaching 19.4%, the rest of woodland, Cheap Lazio Jerseys grassland and unused land exceeded the rate of 10%, 10.4% and 11.4%, respectively.

According to the survey results, the South heavy soil pollution in the north; Yangtze River Delta, Pearl River Delta and other parts of the northeast old industrial bases in the area of ​​soil contamination problems are more prominent, larger Southwest, China and South Africa exceeded the scope of heavy metals in soil.

Furthermore, cadmium, mercury, arsenic, lead and heavy metal content of four kinds of presents from the northwest to the southeast, from the northeast to the southwest direction gradually rising trend.

■ number say

7.0%

cadmium exceeded the rate of Cheap Kaizer Chiefs Jerseys

cadmium, mercury, arsenic, copper, lead, chromium, zinc, nickel and eight kinds of inorganic contaminants point exceeding rates were 7.0%, 1.6%, 2.7%, 2.1%, 1.5%, 1.1%, 0.9%, 4.8%.

36.3%

heavily polluting enterprises and the surrounding exceeded the rate of

in the investigation of 690 heavily polluting enterprises land and soil surrounding the point, exceeding 36.3% points, mainly involving ferrous metals, nonferrous metals, leather products, paper, oil and coal, chemicals and pharmaceuticals, rubber and fiber, minerals products, fabricated metal products, electrical and other industries.

21.3%

solid waste

centralized disposal sites exceeded the rate of

In the survey of 188

solid waste disposal sites, and 21.3% exceeded the point, mainly inorganic pollution, waste incineration and landfill of organic pollution.

■ Focus

excessive heavy metals cadmium accounted for the bulk of serious

According to the Department of Homeland

and environmentally relevant person in charge of the census and the "Plan" period made national soil environmental background values ​​survey point comparison and found that the mineral content of the Cheap River Plate Jerseys surface soil increased more significant. According to the survey, mainly inorganic cadmium, mercury, arsenic, copper, lead, chromium, zinc, nickel and other heavy metals based.

according to census results, is up to the type of inorganic pollution, especially heavy metal pollution. According to the survey results exceeded the point, cadmium, mercury, arsenic, copper, lead, chromium, zinc, nickel, of which eight kinds of heavy metal-based inorganic, representing all points of the 82.8 percent exceeded, among which accounts for the bulk of cadmium pollution , 7%. Cadmium generally increased across the country, and coastal areas in the southwest region rose by more than 50%, an increase of 10% to 40% in the north, northeast and western regions.

related to soil experts said heavy metal pollution of the soil, cadmium is relatively common, its mainly from mining, smelting and other industries, such as some southern mines, cadmium itself on the high background values, coupled with the Cheap Aston Villa Jerseys mining and smelting industry, causing cadmium content increased significantly.

Earlier media reports of pollution problems, "cadmium rice", however, Wan Hong-fu said that to varying degrees in different crops absorb heavy metals, "contaminated soil, crops are not necessarily overweight, excessive crop in some places, and contaminated soil degree is not necessarily reflected. "

Beijing News reporter Kim Yu

(Original title: The first National Soil Survey: nearly two arable land is contaminated)