humus wikipedia - EAS

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    Humus - Wikipedia

    https://en.wikipedia.org/wiki/Humus

    In classical soil science, humus (derived in 1790–1800 from the Latin humus for 'earth, ground') is the fraction of soil organic matter that is amorphous and without the "cellular cake structure characteristic of plants, micro-organisms or animals". Humus significantly affects the bulk density of

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    Description

    The primary material needed for the process of humification are plant materials. The composition of humus varies dependent on the composition of the primary materials and the secondary microbial and animal

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    Humification

    Microorganisms decompose a large portion of the soil organic matter into inorganic minerals that the roots of plants can absorb as nutrients. This process is termed "mineralization". In this process, nitrogen (nitrogen cycle) and the other nutrients (

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    Stability

    Much of the humus in most soils has persisted for more than 100 years, rather than having been decomposed into CO2, and can be regarded as stable; this organic matter has been

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    Horizons

    Humus has a characteristic black or dark brown color and is organic due to an accumulation of organic carbon. Soil scientists use the capital

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    Benefits of soil organic matter and humus

    The importance of chemically stable humus is thought by some to be the fertility it provides to soils in both a physical and chemical sense, though

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    See also

    • Biochar
    • Biomass
    • Biotic material
    • Detritus

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    External links

    • Weber, Jerzy. "Types of humus in soils". Agricultural University of Wroclaw, Poland. Retrieved 12 December 2013.
    • Wershaw, R. L. "Evaluation of conceptual models of natural organic matter (humus) from a consideration of the chemical and biochemical processes of humification"

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  2. Humus – Wikipedia

    https://de.wikipedia.org/wiki/Humus

    Humus (lateinisch humus ‚Erde‘, ‚Erdboden‘) bezeichnet in der Bodenkunde die Gesamtheit der fein zersetzten organischen Substanz eines Bodens.
    Der Humus ist Teil der gesamten organischen Bodensubstanz und wichtiger Bestandteil des Mutterbodens. Er unterliegt vor allem der Aktivität der Bodenorganismen (Edaphon), die durch ihren Stoffwechsel laufend zum Auf-, Um- oder Abbaudes Humus beitragen. Im eigentlichen Sinn…

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  3. Hummus - Wikipedia

    https://en.wikipedia.org/wiki/Hummus
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    The word hummus comes from Arabic: حُمُّص‎, romanized: ḥummuṣ 'chickpeas'. The full name of the prepared spread in Arabic is ḥummuṣ bi ṭaḥīna 'chickpeas with tahini'. The colloquial Arabic word ḥummuṣ is a variant of the Arabic ḥimmaṣ or ḥimmiṣ which may be derived from the Aramaic language (ḥemṣīn, ḥemṣāy), corr…
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    • Place of origin: Middle East
    • Serving temperature: Room temperature or warm

  4. Humus — Wikipédia

    https://fr.wikipedia.org/wiki/Humus
    • Avant que le microscope ne mette en évidence le fait que ce sont des micro-organismes et des invertébrés qui produisent l'humus, il était considéré comme une substance chimique inerte ; le Dictionnaire Littré, de la langue française (1872-1877) le définit comme « terre végétale » et en donne la sous-définition suivante : « Terme de chimie. Matière brune peu soluble dans l'eau, solu…
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    • Humus - Wikipedia, la enciclopedia libre

      https://es.wikipedia.org/wiki/Humus
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      Existen dos clases de humus, el humus viejo o antiguo y el humus joven. 1. Humus viejo. Debido a un periodo largo de tiempo transcurrido, está muy descompuesto, tiene un tono entre morado y rojizo; algunas sustancias húmicas características de este tipo de humus son las huminas y los ácidos húmicos. Las huminas son molé…
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      • Mọi người cũng hỏi
        What is the other name of humus?
        Other spellings include homous, houmos, houmus, and similar variants. While humus (as it is spelled in Turkish) is sometimes found, it is avoided as a heteronym of humus, organic matter in soil.

        Hummus - Wikipedia

        en.wikipedia.org/wiki/Hummus
        Tìm kiếm cho:What is the other name of humus?
        What is the biochemical structure of humus?
        The biochemical structure of humus enables it to moderate, i.e. buffer, excessive acidic or alkaline soil conditions. During humification, microbes secrete sticky, gum-like mucilages; these contribute to the crumby structure (tilth) of the soil by adhering particles together and allowing greater aeration of the soil.

        Humus - Wikipedia

        en.wikipedia.org/wiki/Humus
        Tìm kiếm cho:What is the biochemical structure of humus?
        Why is it difficult to define humus?
        It is difficult to define humus precisely because it is a very complex substance which is not fully understood. Humus is different from decomposing soil organic matter. The latter looks rough and has visible remains of the original plant or animal matter.

        Humus - Wikipedia

        en.wikipedia.org/wiki/Humus
        Tìm kiếm cho:Why is it difficult to define humus?
        What is the function of humus in plants?
        There is now a consensus that humus functions hormonally rather than simply nutritionally in plant physiology. Humus is a colloidal substance and increases the cation-exchange capacity of soil, hence its ability to store nutrients by chelation.

        Humus - Wikipedia

        en.wikipedia.org/wiki/Humus
        Tìm kiếm cho:What is the function of humus in plants?
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      • Humus - Wikipedia

        https://it.wikipedia.org/wiki/Humus

        L'humus (pronuncia italiana /ˈumus/; dal latino humus, "suolo, terra, terreno"), adattato talvolta in umo, è un componente chimico del terreno. È pedologicamente omogeneo, di colore bruno e formato da prodotti di vario grado di polimerizzazione, frutto della degradazione e rielaborazione della sostanza organica del terreno. È un complesso di sostanze organiche presenti nel suolo.

      • Humus - Wikipedia

        https://nl.wikipedia.org/wiki/Humus

        Humus of teelaarde is het traag afbreekbare deel van organische stof in de bodem.Het gaat hierbij om dood materiaal, van plantaardige en in mindere mate van dierlijke oorsprong, waarbij de specifieke celstructuur van de oorspronkelijke bestanddelen door eerdere biologische afbraak reeds verloren is gegaan. reeds verloren is gegaan.

      • Hummus – Wikipedia

        https://de.wikipedia.org/wiki/Hummus

        Hummus (arabisch حمص hummus, DMG ḥummuṣ, hebräisch חומוס 'xumus, deutsch ‚Kichererbse‘) ist eine orientalische Spezialität, die aus pürierten Kichererbsen oder Ackerbohnen, Sesammus (Tahina), Olivenöl, Zitronensaft, Salz und Gewürzen wie …

      • Humus – Wikipedia

        https://sv.wikipedia.org/wiki/Humus

        Humus är saprofytiskt nedbrutna växt- och djurdelar i förnan, vars ursprung inte längre kan identifieras med blotta ögat.Den viktigaste källan till humus är lignin som blivit modifierat av brunrötesvampar och mjukrötesvampar.På obrukade jordar utgör humus huvuddelen ...

      • Houmous — Wikipédia

        https://fr.wikipedia.org/wiki/Houmous

        Étymologie Le terme « houmous » signifie « pois chiche » en arabe (الحمص) et en hébreu (חומוס).Le nom complet de la purée de pois chiches à la crème de sésame est حمص بطحينة (ḥummuṣ bi-ṭaḥīna ; à ne pas confondre avec la balila (ar), aussi appelée حمص بليلة / ḥummuṣ balīla).

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