In classical soil science, humus is the dark organic matter in soil that is formed by the decomposition of plant and animal matter. It is a kind of soil...

The term humus form is not the same as the term humus. Forest humus form describes the various arrangement of organic and mineral horizons at the top...

type formed under mixed-wood and pure deciduous forests. Moder is a kind of humus whose properties are the transition between mor humus and mull humus types...

Mor humus is a form of forest floor humus occurring mostly in coniferous forests. Mor humus consists of evergreen needles and woody debris that litter...

the form of complex molecular assemblages collectively called humus. Humus is never pure in the soil, because it reacts with metals and clays to form complexes...

properties to which pH contributes (e.g. nutrient status, metal toxicity, humus form). According to the various physiological and behavioural adaptations of...

Humus is a psychedelic band from Mexico that has been active since the late 1980s. Humus was founded in 1987 by Jorge Beltran as a one man band, where...

Bandyopadhyaya, Ipsa & Marchetti, Valérie (2002). "Interaction between humus form and herbicide toxicity to Collembola (Hexapoda)" (PDF). Applied Soil Ecology...

dark brown leading to black. The term comes from humus, which in turn comes from the Latin word humus, meaning "soil, earth". Humic substances represent...

nutrients to crops as fertilizer, acting as a soil conditioner, increasing the humus or humic acid contents of the soil, and introducing beneficial microbes...

litter formed by undecomposed vegetable matter; underneath is humus which is the product of decomposed vegetable matter. Between litter and humus is a partially...

increase the amount of humus. Combining compost, plant or animal materials/waste, or green manure with soil will increase the amount of humus in the soil. Compost:...

Arabic ḥummuṣ or via its borrowing for the name of the dish in Turkish: humus. Spelling of the word in English can be inconsistent, though most major...

in nutrients and humus and difficult to cultivate because of its low water holding capacity.[citation needed] Laterite soils are formed from chemical decomposition...

weathering. They also leave behind organic residues which contribute to humus formation. Plant roots with their symbiotic mycorrhizal fungi are also able...

to microbial action are formed by modification of the original compounds or by microbial synthesis of new ones to produce humus. The mineral products are:...

silt and clay, but with a much lower percentage of organic matter and humus. The subsoil is labeled the B Horizon in most soil mapping systems. Because...

south. London clay overlaid with patches of gravel topped by deeper humus forms the north; the top soil, tempered by the chalk beneath is less acidic...

soil depending on how it is managed. It is usually low in nutrients and humus and can be difficult to cultivate due to its low water holding capacity;...

parts of this exclosure, humus profiles are best developed. The old exclosures are also characterised by a variety of humus forms, caused by the variation...

psychedelic band formed in Mexico City by members Victor Basurto (bass) and Arturo López (drums) of Loch Ness, and Jorge Beltrán (guitar) from Humus. These three...

parts of this exclosure, humus profiles are best developed. The old exclosures are also characterised by a variety of humus forms, caused by the variation...

spreads. All species in this genus prefer a well-drained soil with a high humus content. Sunset Western Garden Book, 1995, pp.606–607. RHS A-Z encyclopedia...

xylan-degrading, endospore-forming and motile bacterium from the genus of Lysinibacillus which has been isolated from forest humus from the Gyeryong Mountain...

are composed primarily of sand. They are so named because their lack of humus gives them a yellow color. The percentage of exposed sand on these dunes...

other dead plant material, producing humus that is exploited by plants for growth . Geographic subspecies or 'forms' include Ommatoiulus sabulosus aimatopodus...

soils form underneath coniferous forests, the fact that pine trees are evergreen causes a very thin litter layer inhibiting the production of humus. As...

Germany as well as some obsolete systems. They are humus-rich shallow soils that are usually formed from carbonate- or occasionally sulfate-rich parent...

major role in the conversion of large pieces of organic matter into rich humus, thus improving soil fertility. This is achieved by the worm's actions of...

shade to full sun, in well-draining but moisture retentive soils, rich in humus. Other perennial species grown for their flowers and foliage include: Geranium...