Unverified80% confidenceDecision RuleTime unknown
播种和扦插育苗阶段应选细颗粒(2-3mm)或蛭石/赤玉细粒,大颗粒空隙大保水不均,小苗根系细弱难以立足
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Unverified扦插育苗选用2-3mm细颗粒蛭石,保水均匀且不伤嫩根;园艺基质混配选用3-6mm中颗粒,兼顾透气与保水83% similarUnverified扦插育苗选用2-3mm的小颗粒蛭石,颗粒过大(>5mm)会导致插穗与基质接触不紧密、易失水;播种覆盖用1mm以下的粉状蛭石效果最佳82% similarUnverified多肉、兰花等排水要求高的植物应选孔径3-5mm的粗网,孔径<2mm会因基质细颗粒堵塞导致积水烂根80% similarUnverified扦插育苗选1-3mm细颗粒(保水贴合切口促生根),盆栽混配选3-6mm粗颗粒(防板结增透气),大型植物排水层选6mm以上80% similarUnverified蛭石扦插/育苗标准方案:选2-3mm颗粒→浸水润透→装入育苗盒→插入插穗→保持湿润但不积水→生根后移栽至营养土,全程无需额外施肥(蛭石本身含钾镁)79% similar
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