Unverified80% confidenceTradeoffTime unknown
颗粒越大表面积越小、释放越慢越持久,但溶解不均;细颗粒(2-3mm)适合小盆栽均匀撒施,粗颗粒(4-5mm)适合大盆或地栽。埋施比表施释放更均匀且减少氮挥发损失
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80%
Confidence
Long-term
Relevance
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Unverified颗粒大小影响释放均匀度:大颗粒(3-5mm)适合大盆和地栽,释放平缓持久;小颗粒(1-2mm)表面积大释放快,适合小盆和苗期,但大颗粒不宜用于扦插苗和幼苗,易造成局部烧根88% similarUnverified颗粒粒径3-6mm适合大多数中大型盆栽做排水层与拌土,1-3mm小颗粒适合多肉铺面与小苗,<1mm的粉末应筛除,否则会堵塞孔隙降低透气性77% similarUnverified多肉、球根类植物铺面建议选3-6mm粒径,既能透气又不易被浇水冲散;播种育苗或小盆栽用1-3mm细颗粒,大型盆栽或土壤打底可用6-9mm粗颗粒76% similarUnverified藜麦颗粒直径正常在1.5-2mm,颗粒饱满均匀、大小一致的品质较好;颗粒过小、碎粒多、粉末多的多为筛选等级低或陈货76% similarUnverified膨润土猫砂选颗粒直径1.5-2mm的钠基膨润土,钠基比钙基结团更快更硬,掉砂率更低;颗粒过细(<1mm)扬尘严重,过粗(>3mm)结团松散易碎75% similar
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