農讀EP.19:需求少,問題大!微量元素鐵和錳的植物生死任務-從葉綠素到細胞呼吸,鐵錳缺一不可 episode artwork

EPISODE · May 5, 2026 · 20 MIN

農讀EP.19:需求少,問題大!微量元素鐵和錳的植物生死任務-從葉綠素到細胞呼吸,鐵錳缺一不可

from 農.讀 · host 阿德

微量元素需求量雖少,缺乏卻會直接影響作物關鍵生理功能。本集阿德介紹鐵與錳在植物體內的核心任務:鐵是葉綠素合成的催化工人與細胞呼吸的電子傳遞員;錳是光合作用水分解反應的核心角色與抗氧化防線。兩者皆為不可移動元素,缺乏時新葉先出現黃化症狀,與缺鎂的老葉先黃形成清楚對比。另外補充說明台灣農地最常見的鐵錳缺乏原因—石灰施用過量導致土壤pH偏高,使鐵錳形成不溶性沉澱而無法被根系吸收。最後提供三階段的解方:監控土壤pH值、葉面噴施螯合鐵或螯合錳緊急補救,以及長期增加土壤有機質,幫助果菜類與果樹農友精準診斷並有效改善缺鐵缺錳問題。 有問題找阿德:[email protected] -- Hosting provided by SoundOn

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農讀EP.19:需求少,問題大!微量元素鐵和錳的植物生死任務-從葉綠素到細胞呼吸,鐵錳缺一不可

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