土壤污染及防治英語-展示頁
2025-01-18 00:55本頁面
【正文】 ar due to heavy metal contamination of food amounted to 12 million tons, resulting in direct economic losses of over 20 billion yuan. Soil pollution caused by harmful substances accumulated in the crop enters the body through the food chain and cause various diseases, ultimately endanger human health. Soil pollution directly affects the structure and function of the soil ecosystem, will eventually bee a threat to ecological security. prevention foundation is weak Currently, the area of the national soil pollution, distribution and extent is unclear, the lack of prevention measures targeted. Prevention of soil pollution laws or blank, nor the formation of soil environmental standard system. Limited capital investment, soil science research is difficult to carry out indepth. A considerable part of the masses and the enterprises are lack of awareness of the seriousness and danger of soil pollution。Environmental pollution and prevention Crew：滕達(dá)、朱夢浩、沙科成、路飛 Environmental pollution and prevention Soil pollution hazards and the status quo 3 The concept of characteristics of the soil pollution 1 Soil pollution reasons 2 4 Of soil pollution prevention and control measures First, the concept of the characteristics of the soil pollution What is soil pollution？ Soil pollution harmful toxic substances into the soil beyond the selfpurification capacity of the soil, resulting in soil physical, chemical and biological properties change, reducing crop yields and quality, the phenomenon of harm to human health. From the perspective of environmental science to define soil pollution is the waste and toxic and hazardous substances into the soil over the soil selfpurification capacity, destruc
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