Unverified85% confidenceTradeoffTime unknown
叶面肥场景下EDTA-Fe即可满足，因叶片吸收不受土壤pH固定影响；无需为叶面喷施多花钱买EDDHA-Fe（后者主要价值在碱性土壤根施）
1
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85%
Confidence
Long-term
Relevance
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Unverified喜酸植物（栀子、茉莉、蓝莓、杜鹃）黄化不建议只喷叶面铁肥，根本原因常是土壤/水质偏碱导致铁被锁定，需同步酸化土壤，否则反复黄化64% similarUnverified喜酸植物（栀子、茶花、蓝莓、绣球）最易缺铁黄化，选铁肥时优先螯合态并配合调酸；碱性硬水地区自来水直接稀释会削弱EDTA-Fe效果，建议用纯净水或雨水配液62% similarUnverified含螯合态微量元素（EDTA螯合铁、镁、锰、锌）的通用肥能预防叶片黄化、脉间失绿，比只标NPK三要素的基础肥更适合长期盆栽养护62% similarUnverified赤玉土偏酸性（pH约5.5-6.5）且几乎无肥力，需搭配缓释肥或与腐叶土/泥炭混用，纯赤玉土长期种植会导致植物缺素黄化61% similarUnverified缓释肥应埋施于土壤中层或距根系3-5cm处，而非直接接触根部或撒在土表；表面撒施会加速挥发流失并可能烧苗，长周期产品尤其需要混入土中61% similar
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