Unverified85% confidenceDecision RuleTime unknown
纯细椰糠保水过度且结构易板结，单独作栽培基质需按体积混入20-30%珍珠岩或粗椰壳提升透气性，否则烂根风险高
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85%
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Long-term
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Unverified蛭石在混配基质中占比建议不超过30%-40%，比例过高会因保水过强导致根系缺氧，长期栽培应搭配珍珠岩、椰糠使用84% similarUnverified扦插繁殖建议用1-3mm细粒珍珠岩纯基质，透气不烂根；成株盆栽混土时用3-6mm中粒，掺入比例20%-30%即可显著改善排水81% similarUnverified园艺种植用珍珠岩优选3-6mm粒径，粒径过细(<2mm)易随浇水粉化板结、失去透气性；粒径过粗(>8mm)保水保肥能力差、幼苗易缺水78% similarUnverified作为独立盆栽基质时纯蚓粪保水过强易板结积水烂根，正确用法是与椰糠/珍珠岩按1:3~1:5混配作土壤改良剂78% similarUnverified纯腐叶土保水强但透气差，长期单用易板结沤根；建议按腐叶土:园土:珍珠岩(或粗砂)=5:3:2配比使用，喜湿植物可提高腐叶土比例至6成78% similar
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