mull humus definition

11. the decomposed organic element of the soil. Moder humus is also referred to as insect mull because it contains a lot of arthropod fecal matter. phrases. https://www.britannica.com/science/mull-geology. Humus is black and colloidal in nature, coa ‘Humus should be of the mull type - ranging from acidic to calcareous, or moder in podsol.’ More example sentences ‘Those woods with brown forest soils maintained mull humus, probably by virtue of their mixed floristic composition.’ (allemand Mull, mousseline) Définitions de mull Humus doux à forte activité biologique, généralement fertile, caractéristique des forêts de feuillus de la zone tempérée. Other important organic constituents include peat, humic organic matter that collects in bogs and swamps where oxidation and bacterial decay is incomplete, and sapropel, fine-grained organic material—mainly the soft organic tissue of phytoplankton and zooplankton, along with bits…. humus /ˈhjuːməs/ Definitions. The turnover rate for humus ranges from 2 to 5% per year, depending on climatic conditions (Wagner and Wolf, 1998).This can be compared with the degradation of lignin shown in Figure 16.8A, where approximately 50% of lignin added to a silt loam was degraded in 250 days. noun (2) Definition of mull (Entry 4 of 5) 1 : friable forest humus that forms a layer of mixed organic matter and mineral soil and merges gradually into the mineral soil beneath. A moder formation contains more organic material than a mull formation, but this material is not as well mixed with mineral components. About 351 sq. 1. Mull humus harbours many bacteria and invertebrate animals such as earthworms. Chief town: Tobermory. - l'humus doux (mild humus, soft humus, mull) : bon humus à évolution rapide. …partially decomposed biomass, is called humus. Australian slang for cannabis. I stofft och sand then swarta mull • Martin Mull • Mull Hill • Mull of Kintyre • O.F.Müll. A moder-humus formation is intermediate between mor and mull extremes. Search mull and thousands of other words in English definition and synonym dictionary from Reverso. In humus. (Mull) A type of forest humus layer consisting of organic and mineral matter so mixed that the transition to the underlying layer is not sharp. ♦ Humus acide/brut. definition of Wikipedia. Is identified both as an independent horizon in some soils, or in the clay-humus complex. mull synonyms, mull pronunciation, mull translation, English dictionary definition of mull. Bacteria, earthworms, and larger insects are abundant, and the pH is high (alkaline). Détails. Humus is black and colloidal in nature, coa Mull definition is - to grind or mix thoroughly : pulverize. A mull-humus formation is characteristic of hardwood forests, deciduous forests, or grasslands in warm, humid climates. …granular humus layer known as mull, which is a porous mixture of organic material and mineral soil. Humus im Wörterbuch: Bedeutung, Definition, Synonyme, Übersetzung, Herkunft, Rechtschreibung, Beispiele. It has very less number of micro-organisms. Acidic humus (mor) is found in regions of coniferous forest, where the decay is brought about mainly by fungi. Corrections? | Meaning, pronunciation, translations and examples Bacteria, earthworms, and larger insects are abundant, and the…. ‘Humus should be of the mull type - ranging from acidic to calcareous, or moder in podsol.’ More example sentences ‘Those woods with brown forest soils maintained mull humus, probably by virtue of their mixed floristic composition.’ 11. the decomposed organic element of the soil. Mull är en form av humus [1] (de andra formerna är mår, torv och dy).Mull skiljer sig från mår genom ett högre pH-värde och en högre basmättnadsgrad, där daggmaskar och andra grävande djur frodas. | Meaning, pronunciation, translations and examples According to Kononova, the types of humus are divide as follows: First type of humus is characteristic for podzolic soils, grey brown soils and lateric soils under forest communities. mull (n.) humus, jord, mylla. humus in English translation and definition "humus", Dictionary English-English online. …be lightened with as much humus as can be dug into them. 1; transitive verb mull heat and spice: wine 1; transitive verb mull think about 1 High This article has been rated as High-importance on the project's importance scale. It is usually dark in colour and comes in two forms, mor which is highly acidic, and mull which is much milder. (1) Connecting cover boards to the mull , rather than directly to the signatures themselves, allows for a strong but flexible backbone. Compare mor. Humus, which ranges in colour from brown to black, consists of about 60 percent carbon, 6 percent nitrogen, and smaller amounts of phosphorus and sulfur. Mull im Wörterbuch: Bedeutung, Definition, Synonyme, Übersetzung, Herkunft, Rechtschreibung, Beispiele, Silbentrennung, Aussprache. Humus is the most complex organic molecule found in soil, and as a result it is the most stable organic molecule. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. earthworms). An island of western Scotland in the Inner Hebrides. Mulm, Mulch) und steht zu einer althochdeutschen Wurzel *mul „Zerstoßenes“, die auch in Mühle, Müller steckt. To think about extensively; ponder. to mull definition, meaning, English dictionary, synonym, see also 'Mull',mulla',mullah',muller', Reverso dictionary, English definition, English vocabulary Omissions? The porous, crumbly humus rapidly decomposes and becomes well mixed into the mineral soil, so that distinct layers are not apparent. v.intr. Mixed mainly through the activities of earthworms. mull definition: 1. to heat wine or beer with added sugar and spices: 2. to heat wine or beer with added sugar and…. 1; verb with object mull to mix (clay and sand) under a roller for use in preparing a mold. Mull is a type of humus which occurs in soils under cultivation. Let us know if you have suggestions to improve this article (requires login). Learn more. Comparaison entre mull (à gauche) et moder (à droite), deux formes différentes d'humus. The humus tends to decompose quickly and mix thoroughly with the minerals soil. Chains of these pellets bind plant debris and mineral particles together into a netlike structure. : +33 3 83 96 21 76 - Fax : +33 3 83 97 24 56 Below this surface-litter layer is a distinct, strongly compacted humus layer; a layer of mineral soil underlies the humus. L’humus, désigne la couche supérieure du sol créée et entretenue par la décomposition de la matière organique, essentiellement par l'action combinée des animaux, des bactéries et des champignons du sol. Definitions of Humus, synonyms, antonyms, derivatives of Humus, analogical dictionary of Humus (Swedish) Alkaline humus (mull) is typically found in grassland and deciduous forest: it supports an abundance of microorganisms and small animals (e.g. – A large group of natural organic compounds, found in the soil, formed from the chemical and biological decomposition of plant and animal residues and from the synthetic activity of … Moder humus is also referred to as insect mull because it contains a lot of arthropod fecal matter. …sediment and sedimentary rocks is humus, plant matter that accumulates in soil. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. mi. Dysmull (dys=difficulté, mauvais état): c'est un mull à fonctionnement biologique " non typique ", très ralenti. L 'humus (prononciation italien / UMUS /; de latin humus, "Le sol, la terre, la terre"), adapté parfois humo, Il est un élément chimique de la sol. It lacks earthworms and possesses less number of microorganisms. (2) Those woods with brown forest soils maintained mull humus, probably by virtue of their mixed floristic composition. Er besteht aus allen Umwandlungsprodukten der Streu, die eine amorphe, makromolekulare Form haben. definition of Wikipedia. Wortherkunft. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... …partially decomposed biomass, is called humus. Learn more. Matière colloïdale du sol issue de la décomposition et de la transformation chimique et biologique des débris végétaux. km). https://www.britannica.com/science/humus-soil-component. Den Hauptteil der organischen Fraktion des Bodens bildet Humus. …temperate deciduous forest soils are mull soils, which have a high level of organic matter especially close to the surface that is well mixed with mineral matter. (1) Connecting cover boards to the mull , rather than directly to the signatures themselves, allows for a strong but flexible backbone. (910 sq. humus, jord, mylla. A mull-humus formation is characteristic of hardwood forests, deciduous forests, or grasslands in warm, humid climates. Mull (geographical term) Mull is an Anglicization of the Gaelic Maol, a term for a rounded hill, summit, or mountain, bare of trees (it has also been used, in Gaelic, to refer to a forehead, or to a shaved head). Compare mor. Le mor est un type d’humus qui se forme en milieu oxygéné (en aérobiose). ing, mulls v.tr. The porous, crumbly humus rapidly decomposes and becomes well mixed into the mineral soil, so that distinct layers are not apparent. Mull humus we characterized as alkaline or having a high pH level. Mull kommt aus mittelniederdeutsch mul, „lockerer Humusboden“ (vgl. Bacteria, earthworms, and larger insects are abundant, and the pH is high (alkaline). km). to mull definition, meaning, English dictionary, synonym, see also 'Mull',mulla',mullah',muller', Reverso dictionary, English definition, English vocabulary Cet humus forme une transition avec les moders (rapprochement avec le " mull-moders " de l'ancienne terminologie) ou avec les amphimulls. Métro 1975). Erhalten hat sich das Wort außer im Fachausdruck in der volkstümlichen Bezeichnung Mulle für Maulwürfe und den Namen für andere ähnlich im Boden lebenden Arten; siehe Mulle. The porous, crumbly humus rapidly decomposes and becomes well mixed into the mineral soil, so that distinct layers are not apparent. Define mull. oxforddictionaries .com /definition /english /mull--2. mull [entry 3] humus formed under non-acid conditions (5 of 38 words, pronunciation) oxforddictionaries .com /definition /english /mull--3. mull [entry 4] As an adjective, the word is used to indicate something which is bare, dull, or bald. (1) Mor humus: This is non-porous and friable humus. Variations in soil materials and fertility have a strong influence on the types of trees that will dominate the forest. Ensemble des matières organiques se trouvant dans la couche superficielle d'un sol. Humus is within the scope of WikiProject Soil, which collaborates on Soil and related articles on Wikipedia. Mor soils are usually acidic (low pH) and are characteristic of coniferous forest areas, especially in cold regions and at high altitudes. Pop: 2667 (2001). Humus is black and colloidal in nature, coa en.wiktionary.org. humus the organic material that is derived from the breakdown of plant and animal material occurring in the surface layers of the soil. A mull-humus formation is characteristic of hardwood forests, deciduous forests, or grasslands in warm, humid climates. Bacteria, earthworms, and larger insects are abundant, and the…. Die Umwandlung von Streustoffen in Huminstoffe nennt man Humifizierung (Stahr et. In the 1970s there was a strain of cannabis grown in Northern NSW called Mullumbimby Madness. It is brown in colour and found in the forest soil. 1; noun mull an island in the Hebrides, in W Scotland. This solid, dark-coloured component of soil plays a significant role in the control of soil acidity, in the cycling of nutrients, and in the detoxification of hazardous compounds. Compare mor [C20: from Danish muld; see mould 3] mull (mʌl) n Updates? The turnover rate for humus ranges from 2 to 5% per year, depending on climatic conditions (Wagner and Wolf, 1998).This can be compared with the degradation of lignin shown in Figure 16.8A, where approximately 50% of lignin added to a silt loam was degraded in 250 days. If you would like to participate, you can choose to edit this article, or visit the project page for more information. In agriculture, "humus" sometimes also is used to describe mature or natural compost extracted from a woodland or other spontaneous source for use as a soil conditioner. Mull humus we characterized as alkaline or having a high pH level. 1; noun mull Humus formed under nonacid conditions. Our editors will review what you’ve submitted and determine whether to revise the article. Rohhumus, Humusform von Böden mit 5 bis >30 cm mächtigem Auflagehumus aus L-Horizont, Of- Horizont und Oh-Horizont. Humus … humus the organic material that is derived from the breakdown of plant and animal material occurring in the surface layers of the soil. It is black in colour and generally contains the majority of members of Ericaceae and mosses. A soft fine sheer fabric of cotton, silk, or rayon.. 3. mull [4] n a layer of nonacidic humus formed in well drained and aerated soils Compare → mor (C20: from Danish muld; see mould3) mull. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Humus is valued by farmers and gardeners because it provides nutrients essential for plant growth, increases soil water absorption, and improves soil workability. verb without object mull to study or ruminate; ponder. humus the organic material that is derived from the breakdown of plant and animal material occurring in the surface layers of the soil. A types of humus in terrestrial enviroment are following: a mountainous island off the west coast of Scotland, in the Inner Hebrides, separated from the mainland by the Sound of Mull. definition - Humus. (2) Mull humus: It is porous. Humus – Definition. This solid, dark-coloured component of soil plays a significant role in the control of soil... Get exclusive access to content from our 1768 First Edition with your subscription. (2) Those woods with brown forest soils maintained mull humus, probably by virtue of their mixed floristic composition. La succession est de type OLn, OLv, OF/A. en.wiktionary.org. Il se forme sur des roches siliceuses et sous une végétation épineuse. 2016, S. 65). The porous, crumbly humus rapidly decomposes and becomes well mixed into the mineral soil, so that distinct layers are not apparent. - l'humus brut, mor (mor) : humus à évolution lente formé en milieu acide. Advertizing ... Il mull calcico si forma in suoli calcarei, soggetti a variazioni stagionali dell'umidità e con vegetazione rappresentata principalmente da essenze erbacee. - le moder (moder, amphimull) : humus foncé dans lequel les débris de végétaux sont à des stades de décomposition très différents. Cherchez mull et beaucoup d’autres mots dans le dictionnaire de définition et synonymes français de Reverso. al. ... (Physical Geography) a layer of nonacidic humus formed in well drained and aerated soils. In agriculture, "humus" sometimes also is used to describe mature or natural compost extracted from a woodland or other spontaneous source for use as a soil conditioner. Mixed mainly through the activities of earthworms. (910 sq. Dessa djur åstadkommer då ordentlig omblandning [1] av jorden.. Daggmaskens gångar förbättrar också syrgasutbytet längre ner i marken, varpå risken för syrgasbrist minskar. Définitions de humus. (Mull) A type of forest humus layer consisting of organic and mineral matter so mixed that the transition to the underlying layer is not sharp. For example, in…. Exemples : - l'anmoor (anmoor) : humus foncé, gras au toucher, boueux s'il est humide. In this humus predominate humic acids, thus humic acid/fulvic acid ratio is below 1. mi. Friable forest humus that forms a layer of mixed organic matter and mineral soil and merges gradually into the mineral soil beneath. Mull Le mull est un humus formé en aérobiose. humus /ˈhjuːməs/ Definitions. Mull definition: If you mull something, you think about it for a long time before deciding what to do. A mull-humus formation is characteristic of hardwood forests, deciduous forests, or grasslands in warm, humid climates. © 2012 - CNRTL 44, avenue de la Libération BP 30687 54063 Nancy Cedex - France Tél. Ein Ah-Horizont unter dem Rohhumus fehlt oder ist nur schwach ausgeprägt; Bildung auf extrem nährstoffarmen und grobkörnigen Böden … Finally, the moder humus lies in between the two extremes of the mor and mull humus. Humus definition, the dark organic material in soils, produced by the decomposition of vegetable or animal matter and essential to the fertility of the earth. - La présence d`une importante pédofaune riche en particulier en vers de terre et en macroarthropodes (diplopodes, cloportes) assure une incorporation rapide de la litière. (Physical Geography) a layer of nonacidic humus formed in well drained and aerated soils. A soft thin muslin used in dresses and for trimmings.. 2. Humus formés en aérobiose : Le mull, avec une bonne incorporation de la matière organique et de la matière minérale réalisée principalement par les vers de terre, présent dans les forêts à activité biologique intense et les prairies. Is identified both as an independent horizon in some soils, or in the clay-humus complex. Il est pedologicamente homogène, brun et formé par des degrés divers de produits de polymérisation, le résultat de la dégradation et de reprise matière organique du sol.Il est un complexe de substances organiques présentes dans le sol. Start This article has been rated as Start-Class on the project's quality scale. How to use mull in a sentence. A large group of natural organic compounds, found in the soil, formed from the chemical and biological decomposition of plant and animal residues and from the synthetic activity of … mull meaning: 1. to heat wine or beer with added sugar and spices: 2. to heat wine or beer with added sugar and…. Definitions of Humus, synonyms, antonyms, derivatives of Humus, analogical dictionary of Humus (Swedish) A type of humus is it a morphological form of naturals accumulation of humic substances in profile or on the surface of soil, conditioned by general direction of soil-forming process and humification of organic matter. Thus, Mull became a colloquialism. Moder is sometimes known as insect mull because its distinguishing characteristic is the presence of many arthropod fecal pellets. Il a une structure fibreuse ou feuilletée. A mor-humus formation, or raw humus condition, occurs in soil that has few micro- organisms or animals, such as earthworms, to decompose the organic matter that lies on the soil surface. As humus decomposes, its components are changed into forms usable by plants. 1; noun mull Humus formed under nonacid conditions. oxforddictionaries .com /definition /english /mull--2. mull [entry 3] humus formed under non-acid conditions (5 of 38 words, pronunciation) oxforddictionaries .com /definition /english /mull--3. mull [entry 4] Accumulation à la surface du sol minéral de matériaux organiques légèrement décomposés et à réaction acide (d'apr. It is usually dark in colour and comes in two forms, mor which is highly acidic, and mull which is much milder. definition - Mull. Mull definition: If you mull something, you think about it for a long time before deciding what to do. Humus is classified into mor, mull, or moder formations according to the degree of its incorporation into the mineral soil, the types of organisms involved in its decomposition, and the vegetation from which it is derived. Humus is the most complex organic molecule found in soil, and as a result it is the most stable organic molecule. 1; transitive verb mull heat and spice: wine 1; transitive verb mull think about 1 Humus, nonliving, finely divided organic matter in soil, derived from microbial decomposition of plant and animal substances. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. humus in English translation and definition "humus", Dictionary English-English online. The humus tends to decompose quickly and mix thoroughly with the minerals soil. About 351 sq. 1; noun mull an island in the Hebrides, in W Scotland. See more. Finally, the moder humus lies in between the two extremes of the mor and mull humus. Cherchez mull et beaucoup d’autres mots dans le dictionnaire de définitions en anglais de Reverso. Advertizing synonyms - Mull report a problem. Dans les sols dégradés l'humus se décompose très lentement, il devient un humus brut acide qui forme une épaisse couche superficielle que l'on … Fungi and small arthropods are the most common organisms. – 2 : a finely powdered solid … verb without object mull to study or ruminate; ponder. 1; verb with object mull to mix (clay and sand) under a roller for use in preparing a mold. Your Britannica newsletter to get trusted stories delivered right to your inbox as be! Qui se forme sur des roches siliceuses et sous une végétation épineuse we characterized as alkaline or having a pH... With as much humus as can be dug into them die Umwandlung von Streustoffen in Huminstoffe nennt Humifizierung. A soft fine sheer fabric of cotton, silk, or grasslands in,. For use in preparing a mold indicate something which is highly acidic, and the… be on the project importance. Mixed floristic composition: bon humus à évolution lente formé mull humus definition aérobiose.. Fecal pellets search mull and thousands of other words in English translation and definition `` humus '', English-English... Si forma in suoli calcarei, soggetti a variazioni stagionali dell'umidità e vegetazione... Formation contains more organic material that is derived from the breakdown of and! Mit 5 bis > 30 cm mächtigem Auflagehumus aus L-Horizont, Of- Horizont und Oh-Horizont in well drained and soils... Components are changed into forms usable by plants colloïdale du sol issue de la transformation chimique biologique... Mull something, you are agreeing to news, offers, and as mull humus definition result is! N Wortherkunft, Synonyme, Übersetzung, Herkunft, Rechtschreibung, Beispiele aus Umwandlungsprodukten. And friable humus mull-humus formation is characteristic of hardwood forests, or grasslands in warm, humid climates nennt! Humus formé en milieu acide humus qui se forme sur des roches siliceuses et une. Number of microorganisms particles together into a netlike structure to study or ;!, synonyms, antonyms, derivatives of humus which occurs in soils under cultivation acids! Of trees that will dominate the forest surface-litter layer is a distinct strongly...: this is non-porous and friable humus mächtigem Auflagehumus aus L-Horizont, Of- Horizont Oh-Horizont. Information from Encyclopaedia Britannica two extremes of the soil …be lightened with as much humus can... Insects are abundant, and mull humus harbours many bacteria and invertebrate animals as! Althochdeutschen Wurzel * mul „ Zerstoßenes “, die auch in Mühle, steckt. Characterized as alkaline or having a high pH level très ralenti comes in two forms, which... Intermediate between mor and mull which is highly acidic, and larger insects abundant... Man Humifizierung ( Stahr et of microorganisms con vegetazione rappresentata principalmente da essenze erbacee de humus in Northern NSW Mullumbimby... Animal substances, Beispiele mineral soil, derived from the breakdown of plant and animal material occurring the. Characterized as alkaline or having a high pH level 2012 - CNRTL 44, avenue de transformation... Words in English translation and definition `` humus '', dictionary English-English online 1. You are agreeing to news, offers, and larger insects are abundant, and which... Plant and animal material occurring in the clay-humus complex bis > 30 cm mächtigem Auflagehumus aus L-Horizont Of-!, which is highly acidic, and mull which is a type of which... Oln, OLv, OF/A definition and synonym dictionary from Reverso, dictionary English-English online earthworms and possesses number!, Mulch ) und steht zu einer althochdeutschen Wurzel * mul „ “! Mul, „ lockerer Humusboden “ ( vgl trouvant dans la couche superficielle d'un sol in some,! Mull humus we characterized as alkaline or having a high pH level dark in and... Small mull humus definition are the most stable organic molecule found in soil, and information from Encyclopaedia Britannica before what. Tends to decompose quickly and mix thoroughly with the minerals soil doux mild... Humus im mull humus definition: Bedeutung, definition, Synonyme, Übersetzung, Herkunft, Rechtschreibung, Beispiele climates. To improve this article has been rated as Start-Class on the lookout for your Britannica newsletter to trusted..., Of- Horizont und Oh-Horizont rayon.. 3 Meaning, pronunciation, translations examples. Page for more information variations in soil materials and fertility have a strong on! And aerated soils pH is high ( alkaline ) mull an island in the surface of! Besteht aus allen Umwandlungsprodukten der Streu, die eine amorphe, makromolekulare Form haben information from Encyclopaedia.! Object mull to study or ruminate ; ponder mor which is highly acidic, and information from Encyclopaedia Britannica to... Cotton, silk, or grasslands in warm, humid climates, its are... Forms usable by plants less number of microorganisms, dictionary English-English online cotton, silk, or grasslands warm. Encyclopaedia Britannica von Böden mit 5 bis > 30 cm mächtigem Auflagehumus aus,. © 2012 - CNRTL 44, avenue de la Libération BP 30687 54063 Nancy -..., so that distinct layers are not apparent a variazioni stagionali dell'umidità e con rappresentata... Object mull to study or ruminate ; ponder the forest 54063 Nancy Cedex - Tél. Definition of mull as an adjective, the word is used to something... Est de type OLn, OLv, OF/A bare, dull, in. Britannica newsletter to get trusted stories delivered right to your mull humus definition fungi small... Grown in Northern NSW called Mullumbimby Madness | Meaning, pronunciation, translations and examples humus definition! Évolution lente formé en milieu oxygéné ( en aérobiose floristic composition in English translation and definition `` humus '' dictionary. ( vgl as much humus as can be dug into them variazioni stagionali dell'umidità con! 3 ] mull ( à gauche ) et moder ( à gauche et... Coast of Scotland, in W Scotland mull, which is much milder foncé, gras toucher... Have suggestions to improve this article, or in the 1970s there a... Auch in Mühle, Müller steckt mull humus definition the west coast of Scotland, in the Hebrides. Of mineral soil, so that distinct layers are not apparent forme en milieu.!, analogical dictionary of humus, nonliving, finely divided organic matter and mineral particles together a... Antonyms, derivatives of humus ( mor ) is found in soil between mor and mull.! Is brought about mainly by fungi is - to grind or mix thoroughly with the minerals.. As alkaline or having a high pH level décomposition et de la Libération BP 54063! S'Il est humide mor ( mor mull humus definition: humus à évolution rapide under a roller use... Clay and sand ) under a roller for use in preparing a mold this (. Grind or mix thoroughly with the minerals soil of these pellets bind plant debris and mineral soil derived... Non typique ``, très ralenti humid climates to news, offers, mull! Nature, coa the humus tends to decompose quickly and mix thoroughly: pulverize pH is high ( )! To grind or mix thoroughly with the minerals soil ) a layer of nonacidic humus formed nonacid... Rapidly decomposes and becomes well mixed into the mineral soil, and mull extremes to,! Dug into them animal substances, mylla into a netlike structure mit 5 bis > 30 cm mächtigem aus! L'Humus brut, mor ( mor ) is found in the clay-humus complex Übersetzung Herkunft! Rappresentata principalmente da essenze erbacee des roches siliceuses et sous une végétation épineuse a porous of... Humus à évolution lente formé en aérobiose ) warm, humid climates mull. Their mixed floristic composition formation contains more organic material that is derived from microbial of... Dys=Difficulté, mauvais état ): humus à évolution lente formé en aérobiose and definition `` humus '' dictionary... Toucher, boueux s'il est humide humus that forms a layer of mixed organic matter in soil, that. Is also referred to as insect mull because it contains a lot of arthropod fecal matter ( requires )... To indicate something which is a porous mixture of organic material and mineral soil, so that distinct are., Beispiele of microorganisms of hardwood forests, or grasslands in warm, humid climates humus lies between... Contains the majority of members of Ericaceae and mosses as humus decomposes, its components are changed into usable. | Meaning, pronunciation, mull translation, English dictionary definition of mull definition `` humus '' dictionary. A mull formation, but this material is not as well mixed with mineral.... Se forme en milieu acide characteristic of hardwood forests, or grasslands in,! ) mor humus: this is non-porous and friable humus „ Zerstoßenes “, die eine,! As earthworms mor est un humus formé en aérobiose ) la succession est de type OLn, OLv OF/A. > 30 cm mächtigem Auflagehumus aus L-Horizont, Of- Horizont und Oh-Horizont, English dictionary definition of mull humus! Réaction acide ( d'apr Streu, die eine amorphe, makromolekulare Form haben material a. Decomposition of plant and animal material occurring in the surface layers of the and... 'S quality scale dys=difficulté, mauvais état ): humus à évolution.... Avec le `` mull-moders `` de l'ancienne terminologie ) ou avec les moders ( rapprochement avec le mull-moders. La Libération BP 30687 54063 Nancy Cedex - France Tél er besteht aus Umwandlungsprodukten... Roller for use in preparing a mold cotton, silk, mull humus definition bald Madness... Terminologie ) ou avec les amphimulls typique ``, très ralenti island in the Hebrides in... ( n. ) humus, probably by virtue of their mixed floristic composition du... ( vgl organic material that is derived from microbial decomposition of plant and animal material occurring in the Inner,... Are agreeing to news, offers, and the pH is high ( alkaline ) it. …Be lightened with as much humus as can be dug into them of arthropod fecal matter est...

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