[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmZ7FVxE623Mkg5WicZ-_Yq-5JqSO-4T1pOfEYiw77UU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":13,"related":14,"source":20,"type":21},[],"2024-06-24 07:02:44",993686129,[8,9],"对","错",{"courseImg":11,"courseName":12},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb93ba41bbf801f53d789694ee94928f6.jpg","环境土壤学","有些植物根系分泌有机酸等酸性物质;有些植物死后,其残体的分解也会在土壤中形成有机酸;有些耐盐耐碱植物会富集金属阳离子,其残体分解后会促进土壤碱性.如针叶林分解后会形成有机酸,红树林残体分解后会产生SO42-",[15,22,33,36,45,50,55,60,65],{"answer":16,"createTime":5,"id":17,"options":18,"question":19,"source":20,"type":21},[],993685975,[8,9],"土壤形成因素学说最早由俄国土壤学家B. B. 道库恰耶夫提出","v2",3,{"answer":23,"createTime":5,"id":24,"options":25,"question":31,"source":20,"type":32},[],993686020,[26,27,28,29,30],"分解有机制","合成土壤腐殖质","固定大气中的游离氮素","转化矿质养料","吸收、分解、转化土壤有机污染物及重金属污染物","土壤微生物对土壤形成发展的作用包括哪些",1,{"answer":34,"createTime":5,"id":6,"options":35,"question":13,"source":20,"type":21},[],[8,9],{"answer":37,"createTime":5,"id":38,"options":39,"question":43,"source":20,"type":44},[],993686447,[40,41,40,42],"Fe(OH) 2+","Fe3+","Fe(OH)4—","在土壤溶液范围内,铁离子的哪种水解离子形态最为重要?()",0,{"answer":46,"createTime":5,"id":47,"options":48,"question":49,"source":20,"type":21},[],993686644,[8,9],"活性酸度是土壤溶液中游离的氢离子形成,用pH表示",{"answer":51,"createTime":5,"id":52,"options":53,"question":54,"source":20,"type":21},[],993686650,[8,9],"离子强度是溶液中离子浓度的量度,是溶液中所有离子浓度的函数",{"answer":56,"createTime":5,"id":57,"options":58,"question":59,"source":20,"type":21},[],993686678,[8,9],"多价金属离子在水溶液中能产生水解而使溶液成酸性,酸根离子则成为水解离子",{"answer":61,"createTime":5,"id":62,"options":63,"question":64,"source":20,"type":21},[],993686706,[8,9],"解吸是吸附的反过程,指的是被吸附的帝质离开固体表面并重新进人水得液的过程",{"answer":66,"createTime":5,"id":67,"options":68,"question":69,"source":20,"type":21},[],993686766,[8,9],"盐类的水解就是指盐中的弱碱阳离子或者酸根离子与水电离产生的氢离子或者氢氧根离子结合,生成弱电解质的过程"]