Métro 1975). en.wiktionary.org. Mull definition is - to grind or mix thoroughly : pulverize. mull. mi. Finally, the moder humus lies in between the two extremes of the mor and mull humus. phrases. humus the organic material that is derived from the breakdown of plant and animal material occurring in the surface layers of the soil. A moder formation contains more organic material than a mull formation, but this material is not as well mixed with mineral components. Is identified both as an independent horizon in some soils, or in the clay-humus complex. to mull definition, meaning, English dictionary, synonym, see also 'Mull',mulla',mullah',muller', Reverso dictionary, English definition, English vocabulary humus the organic material that is derived from the breakdown of plant and animal material occurring in the surface layers of the soil. A soft fine sheer fabric of cotton, silk, or rayon.. 3. 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. Accumulation à la surface du sol minéral de matériaux organiques légèrement décomposés et à réaction acide (d'apr. Humus is valued by farmers and gardeners because it provides nutrients essential for plant growth, increases soil water absorption, and improves soil workability. Below this surface-litter layer is a distinct, strongly compacted humus layer; a layer of mineral soil underlies the humus. Il se forme sur des roches siliceuses et sous une végétation épineuse. If you would like to participate, you can choose to edit this article, or visit the project page for more information. A mull-humus formation is characteristic of hardwood forests, deciduous forests, or grasslands in warm, humid climates. It lacks earthworms and possesses less number of microorganisms. A moder-humus formation is intermediate between mor and mull extremes. 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. 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. 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. Chains of these pellets bind plant debris and mineral particles together into a netlike structure. a mountainous island off the west coast of Scotland, in the Inner Hebrides, separated from the mainland by the Sound of Mull. Humus im Wörterbuch: Bedeutung, Definition, Synonyme, Übersetzung, Herkunft, Rechtschreibung, Beispiele. 1; noun mull Humus formed under nonacid conditions. - le moder (moder, amphimull) : humus foncé dans lequel les débris de végétaux sont à des stades de décomposition très différents. 11. the decomposed organic element of the soil. 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. In the 1970s there was a strain of cannabis grown in Northern NSW called Mullumbimby Madness. Compare mor. definition of Wikipedia. Définitions de humus. Mull humus harbours many bacteria and invertebrate animals such as earthworms. (1) Connecting cover boards to the mull , rather than directly to the signatures themselves, allows for a strong but flexible backbone. Definitions of Humus, synonyms, antonyms, derivatives of Humus, analogical dictionary of Humus (Swedish) Bacteria, earthworms, and larger insects are abundant, and the pH is high (alkaline). Search mull and thousands of other words in English definition and synonym dictionary from Reverso. Humus is black and colloidal in nature, coa mull [4] n a layer of nonacidic humus formed in well drained and aerated soils Compare → mor (C20: from Danish muld; see mould3) Bacteria, earthworms, and larger insects are abundant, and the…. definition of Wikipedia. The humus tends to decompose quickly and mix thoroughly with the minerals soil. 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. Advertizing ... Il mull calcico si forma in suoli calcarei, soggetti a variazioni stagionali dell'umidità e con vegetazione rappresentata principalmente da essenze erbacee. A soft thin muslin used in dresses and for trimmings.. 2. The porous, crumbly humus rapidly decomposes and becomes well mixed into the mineral soil, so that distinct layers are not apparent. earthworms). Humus is black and colloidal in nature, coa (910 sq. definition - Humus. Alkaline humus (mull) is typically found in grassland and deciduous forest: it supports an abundance of microorganisms and small animals (e.g. 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. Pop: 2667 (2001). About 351 sq. The porous, crumbly humus rapidly decomposes and becomes well mixed into the mineral soil, so that distinct layers are not apparent. 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 an island in the Hebrides, in W Scotland. 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). 1; verb with object mull to mix (clay and sand) under a roller for use in preparing a mold. 1; noun mull an island in the Hebrides, in W Scotland. Is identified both as an independent horizon in some soils, or in the clay-humus complex. In humus. Mull definition: If you mull something, you think about it for a long time before deciding what to do. humus in English translation and definition "humus", Dictionary English-English online. Moder humus is also referred to as insect mull because it contains a lot of arthropod fecal matter. 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 … Mull humus we characterized as alkaline or having a high pH level. ‘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.’ Mull translation, English dictionary definition of mull ): bon humus à évolution rapide below this surface-litter is... 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