V2EX fulvic acid

Fulvic Acid

Definition / 定义

富里酸:一种天然存在的有机酸,属于腐殖质(humic substances)的组成部分,常见于土壤、泥炭、堆肥与水体中。它分子量较小、溶解性较强,常用于描述其在土壤养分络合、微量元素螯合与运输等方面的作用(在农业与膳食补充剂语境中也常被提及)。

Pronunciation / 发音

/flvk sd/

Examples / 例句

Fulvic acid is often added to soil to improve nutrient availability.
富里酸常被添加到土壤中,以提高养分的可利用性。

Because fulvic acid can bind with minerals, some farmers use it to help plants absorb trace elements more efficiently, especially in poor soils.
由于富里酸能够与矿物质结合,一些农民会用它来帮助植物更高效地吸收微量元素,尤其是在贫瘠土壤中。

Etymology / 词源

fulvic 来自拉丁语 fulvus,意为“黄褐色、金黄色”,用于指这类腐殖质成分常呈黄褐色;acid 源自拉丁语 acidus,意为“酸的”。合起来即“呈黄褐色的酸性物质”,对应其在腐殖质中的分类名称。

Related Words / 相关词

Literary Works / 文学作品

  • 《Principles and Applications of Soil Microbiology》(土壤微生物学原理与应用)等土壤科学教材中常以腐殖质/富里酸相关章节出现
  • 《Soil Chemistry》(土壤化学)等环境与土壤化学专著中常讨论其结构、络合与迁移行为
  • 《Humic Substances: Structures, Models and Functions》(腐殖质:结构、模型与功能)等腐殖质研究专著中高频出现
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