单词	humus
释义	humus noun hu·​mus ˈhyü-məs  ˈyü- geology : a brown or black complex variable material resulting from partial decomposition of plant or animal matter and forming the organic (see organic entry 1 sense 1a(2)) portion of soil Example Sentences Recent Examples on the Web It’s not like growing vegetables that need a soil full of rich humus; native plants typically grow out of very lean soils. Los Angeles Times, 7 July 2022 Fallen trees, colonized by fungi and other detritovores, are crumbling into humus. Verlyn Klinkenborg, The New York Review of Books, 6 July 2022 Organic matter serves as food for earthworms, insects, bacteria and fungi that transform it to soil nutrients and humus. oregonlive, 7 Feb. 2022 Tall grasses grew on the site for millions of years, and their decomposition created a dark, rich humus that would later prove ideal for cotton farmers. Dennis Pillion | Dpillion@al.com, al, 12 Nov. 2021 The resulting holes admit water, air, fertilizer and humus-creating organic matter to the root systems. Washington Post, 7 July 2021 Older wetlands in areas surveyed by Delta-X aircraft are more diverse, their soil rich with humus from generations of plants. Fox News, 29 June 2021 This is a very aromatic, pungent rum that offers up notes of green sugarcane, lemon zest and chocolate all wrapped up in an earthy/humus-like aroma. Joseph V Micallef, Forbes, 29 June 2021 If your soil is heavy, coarse sand or humus can be added, and gypsum works well to improve clay soils. oregonlive, 7 May 2021 See More Word History Etymology New Latin, from Latin, earth — more at humble First Known Use 1796, in the meaning defined above Kids Definition humus noun hu·​mus ˈhyü-məs  ˈyü- : the dark rich part of earth formed from decaying plant or animal material Medical Definition humus noun hu·​mus ˈhyü-məs  ˈyü-  : a brown or black complex variable material resulting from partial decomposition of plant or animal matter and forming the organic portion of soil humus noun as in loam a brown or black material in soil that is formed when plants and animals decay Synonyms & Similar Words Relevance loam topsoil clay mud earth sand gley gravel dirt gumbo silt kaolin sediment ground mold dust alluvium muck subsoil clod colluvium marl blackland gault detritus loess duff guck gook substratum shingle mull
随便看	briefings briefless brieflier briefliest briefly briefness briefnesses briefs Brienne brienne-le-château Brienz brier brier rose brierberry brierier brieriest brierpatches brierpatchs brierroot brierroots briers brierwood brierwoods bries brieve

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