我国农田土壤污染现状及治理措施研究.docx
我国农田土壤污染现状及治理措施研究
目录
内容概览................................................3
1.1研究背景...............................................3
1.2研究目的与意义.........................................4
1.3研究方法与数据来源.....................................5
我国农田土壤污染现状分析................................5
2.1污染源与污染类型.......................................7
2.1.1污染来源概述.........................................8
2.1.2主要污染类型分析.....................................9
2.2污染现状评估..........................................10
2.2.1地域分布特点........................................11
2.2.2污染程度与趋势......................................13
农田土壤污染治理技术探讨...............................14
3.1生物治理技术..........................................15
3.1.1微生物修复..........................................17
3.1.2植物修复............................................18
3.2化学治理技术..........................................19
3.2.1农药残留降解........................................21
3.2.2重金属钝化..........................................22
3.3物理治理技术..........................................24
3.3.1土壤淋洗............................................24
3.3.2热处理..............................................26
农田土壤污染治理措施与政策.............................27
4.1农业投入品管理........................................28
4.1.1化肥、农药使用规范..................................30
4.1.2有机肥替代..........................................31
4.2土壤污染监测与预警....................................33
4.2.1监测网络建设........................................34
4.2.2预警系统研发........................................35
4.3政策法规与激励措施....................................36
4.3.1环保法规制定........................................37
4.3.2经济激励政策........................................40
国内外农田土壤污染治理经验借鉴.........................41
5.1国外治理模式与政策....................................42
5.1.1发达国家经验........................................43
5.1.2发展中国家实践......................................44
5.2我国治理案例与启示....................................45
5.2.1成功案例剖析........................................47