Unverified85% confidenceDecision RuleTime unknown
喜酸植物（蓝莓/杜鹃/栀子/绣球）需要pH 4.5-5.5，普通插针pH仪精度不足以区分5.0与5.5的关键差异，种这类植物建议直接用pH试剂盒或高精度笔式pH计
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85%
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Long-term
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Unverified喜酸植物适宜pH：杜鹃4.5-5.5、蓝莓4.0-5.0、栀子/茶花5.0-6.0、绣球调蓝需pH＜5.5；蓝莓对酸性要求最严苛，pH超6.0基本无法正常生长80% similarUnverified喜酸植物（栀子、茶花、蓝莓、绣球）需pH 4.5-6.0，通用营养土多为pH 6.0-7.0偏中性，需额外掺硫磺粉或松鳞调酸74% similarUnverified液体比色试剂(如溴麝香草酚蓝类)读数精度可达0.2-0.3，优于pH试纸的0.5-1.0，适合需要精确调节土壤的杜鹃、蓝莓、绣球栽培73% similarUnverified校准土壤pH的标准路径：先购pH4.0与6.86双点校准缓冲液校准电子计→土水比1:2.5浸提静置30分钟→测上清液→根据目标作物(蓝莓4.5-5.5/多数蔬菜6.0-7.0)决定加硫磺粉降酸或石灰升碱→2-4周后复测65% similarUnverified复配叶黄素+玉米黄质（配比约5:1，如叶黄素10mg+玉米黄质2mg）针对黄斑区保护，与花青素改善微循环机制互补，长期屏幕族优先选这类复方而非单一蓝莓提取物58% similar
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