[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$faVaWixZhWjBPYlQnQa2TlzwWBSB2WRL-UZ7_HmB0Uto":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":13,"related":14,"source":20,"type":21},[],"2025-07-01 08:34:56",1062215131,[8,9],"对","错",{"courseImg":11,"courseName":12},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff8f437b975a0b56f9d37ab6840a1c50d.jpg","[共享课]土壤肥料学","扩散在土壤空气交换中占主导地位.( )",[15,22,32,40,45,50,53],{"answer":16,"createTime":5,"id":17,"options":18,"question":19,"source":20,"type":21},[],1062214337,[8,9],"甜菜施用硝酸铵的肥效比硝酸钠好.( )","v2",3,{"answer":23,"createTime":5,"id":24,"options":25,"question":30,"source":20,"type":31},[],1062214576,[26,27,28,29],"我国从南到北,除少数土壤外,盐基饱和度逐渐增加","我国从东到西,除少数土壤外,盐基饱和度逐渐增加","南方土壤均为盐基不饱和土壤,北方土壤均为盐基饱和土壤","经耕作施肥的土壤,盐基饱和度通常增大","盐基饱和度主要决定于气候条件,母质与耕作施肥也有一定的影响.因此,不可能出现的情况是( )",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":39,"source":20,"type":31},[],1062214619,[36,37,38],"中壤土","轻壤土","砂壤土","某土壤干土块稍加挤压可碎,手捻有粗面感,湿测可搓成直径3毫米土条,但提起即断,该土属( )",{"answer":41,"createTime":5,"id":42,"options":43,"question":44,"source":20,"type":21},[],1062214830,[8,9],"植物缺乏氮磷钾时,症状首先表现在老叶片上.( )",{"answer":46,"createTime":5,"id":47,"options":48,"question":49,"source":20,"type":21},[],1062215065,[8,9],"基肥施用的原则是无机肥为主,有机肥为辅.( )",{"answer":51,"createTime":5,"id":6,"options":52,"question":13,"source":20,"type":21},[],[8,9],{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":20,"type":31},[],1062215316,[57,58,59,60],"Fe3+>H+>Ca2+>K+","Fe3+>K+>Ca2+>H+","Fe3+>Ca2+>H+>K+","H+>Fe3+>Ca2+>K+","土壤中常见的几种交换性阳离子的交换能力顺序正确的是( )"]