Unverified90% confidenceCautionTime unknown
缺铁黄化（新叶发黄叶脉仍绿）才需补铁；若老叶先黄多为缺氮/镁，此时用铁肥无效反而增加叶片负担
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified叶面补铁见效快（3-7天返绿）但持效短，只能应急；根本解决碱性土缺铁需改良土壤pH或根施EDDHA-Fe，叶面肥治标不治本81% similarUnverified缺铁性黄化（新叶叶脉绿、叶肉黄，从顶部新叶开始）应选螯合铁EDTA-Fe或EDDHA-Fe，而非硫酸亚铁，螯合态在偏碱性土/水质硬地区不易失效79% similarUnverified通用型水培营养液需含完整的中微量元素（尤其是螯合铁EDTA-Fe），缺铁会导致新叶发黄（缺铁性黄化），只含氮磷钾的复合肥不能用于长期水培77% similarUnverified铁含量符合国标但相比某些高铁米粉偏低，单纯依赖米粉补铁可能不够，缺铁严重的宝宝需额外关注铁摄入72% similarUnverified植物性非血红素铁吸收率远低于动物性血红素铁，依靠此类产品补铁效果非常有限，确诊缺铁性贫血者不应将其作为补铁手段70% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/359778API
curl https://kongchang.com/api/v1/knowledge/claims/359778MCP
get_claim(id=359778)