• • • • 2.4 腐殖质与重金属元素 /Humus and heavy metal elements 胡敏酸螯合物与元素沉积(难溶) /Humus acid complex and element sedimentation • 富里酸与元素迁移(易溶) • /Fulvic acid and element transfer
二、土壤污染的概念: /Concept of soil pollution
• 人类活动产生的污染物进入土壤并累积 到一定程度,引起土壤质量恶化的现象。 • /The pollutants from human activities accumulate in the soil to certain content, then aggravate soil quality.
2.影响土壤元素含量的土壤化学因素 /Soil chemical factor
• 2.5 酸碱性、氧化还原性与元素的迁移与 富集 • /Acid-alkaline, oxidation-reduction and transfer and accumulation of element.
• 2.6 元素自身的性质与行为(P130,污染 物) • /Character and action of element itself
第七讲 土壤污染及土壤元素背 景值监测
Soil pollution monitoring and background monitoring
一、相关知识 / Knowledge
• 1.成土因素对土壤元素含量的影响 • /Influence of soil-forming factor on soil element content. • 1.1 母质:元素含量的总体因素和基本来 源 • /Mother rock: basic origin of element content.