[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhktvA1v3EvUUcew7HbpZq5hk5ZZwcp3-L2FonTBeDSA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":25,"type":26},[],"2025-12-22 10:40:27",279552450,[8,9,10,11],"水稳性团粒结构","核状结构","片状结构","块状结构",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","深耕结合施用有机肥,有利于土肥相融,促进( )的形成",[18,27,32,41,46,49,54,63,71,76],{"answer":19,"createTime":5,"id":20,"options":21,"question":24,"source":25,"type":26},[],279552446,[22,10,23,11],"团粒结构","柱状结构","有一类土壤结构,常在地表形成结皮,一般1-2mm厚,表土失水后边缘向上翘起,或者在土层中有3-5mm厚的板结,常压坏幼苗,撕断根系,漏风跑墒.这类土壤结构是","v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":31,"source":25,"type":26},[],279552447,[22,10,23,11],"犁底层一般属于哪类结构",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":25,"type":26},[],279552448,[36,37,38,39],"土壤结构体","土壤容重","土壤孔隙","土壤质地","土壤各级土粒相互吸引成大小、形状和性质不同的土团、土块、土片一般为称为",{"answer":42,"createTime":5,"id":43,"options":44,"question":45,"source":25,"type":26},[],279552449,[22,10,23,11],"在腐殖质的作用下形成的近似球形、疏松多孔的小土团,一般0.25-10mm,此类土壤结构被称为",{"answer":47,"createTime":5,"id":6,"options":48,"question":16,"source":25,"type":26},[],[8,9,10,11],{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":25,"type":26},[],279552451,[11,10,9,22],"下列土壤结构体中,具有较多( )结构的土壤肥力较高",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":25,"type":26},[],279552452,[58,59,60,61],"施肥量","作物种类","种子大小","土壤条件","下列选项中不影响种子播种深度的是( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":69,"source":25,"type":70},[],279552453,[67,68],"正确","错误","土壤黏着性是土壤黏附外物的性能,在土壤湿润时才能产生",3,{"answer":72,"createTime":5,"id":73,"options":74,"question":75,"source":25,"type":70},[],279552454,[67,68],"我们要掌握土壤宜耕期来决定土壤耕作时间,比如试耕,即土壤不黏农具,耕后土垡自然散开(犁花)",{"answer":77,"createTime":5,"id":78,"options":79,"question":80,"source":25,"type":70},[],279552455,[67,68],"我们要掌握土壤宜耕期来决定土壤耕作时间,比如手摸,即取3-4cm深的土壤能握成团,不黏手心,松开土团自由落地散开"]