V2EX humic acid

Humic Acid

定义 Definition

humic acid(腐殖酸):土壤、泥炭、褐煤等有机质分解后形成的一类深色、结构复杂的天然有机酸,能与金属离子络合,影响土壤肥力、养分有效性与水体化学性质。日常语境中也常指用于改良土壤/作物营养的腐殖酸制品。(也可有更广义的“腐殖质组分”相关用法。)

发音 Pronunciation

/hjumk sd/

例句 Examples

Humic acid can improve soil structure and water retention.
腐殖酸可以改善土壤结构并提高保水能力。

In acidic soils, humic acid may bind micronutrients and change how easily plants can absorb them.
在酸性土壤中,腐殖酸可能会络合微量元素,从而改变植物吸收这些养分的难易程度。

词源 Etymology

humic 来自拉丁语 humus(“土、地土、有机土层”),指与土壤腐殖质相关;acid 源自拉丁语 acidus(“酸的”)。合起来表示“来自腐殖质/土壤有机质的酸性成分”。

相关词 Related Words

文献作品 Literary Works

由于术语较为专业,humic acid 更常见于环境科学与土壤学经典著作(而非小说诗歌)中,例如:

  • Humus Chemistry: Genesis, Composition, Reactions(M. H. B. Stevenson)
  • Environmental Soil Chemistry(D. L. Sparks)
  • The Nature and Properties of Soils(N. C. Brady & R. R. Weil)
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