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It is rich in nutrients and retains moisture in the soil. Humus is the Latin word for "earth" or "ground". [2] 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. [3] It is also used to describe a topsoil horizon that contains ...
The term comes from humus, which in turn comes from the Latin word humus, meaning "soil, earth". [1] Humic substances represent the major part of organic matter in soil , peat , coal , and sediments , and are important components of dissolved natural organic matter (NOM) in lakes (especially dystrophic lakes ), rivers, and sea water .
The formation of mull humus form results from various factors, including regional climate, parent rock, vegetation, and soil organism. [3] Mull order presents in deciduous forests, and the development is often associated with a mild climate in terms of warm temperature and moderate precipitation, also rich soil parent materials. [4]
Chernozem (/ ˈ tʃ ɜːr n ə z ɛ m / CHUR-nə-zem), [a] also called black soil, regur soil or black cotton soil, is a black-colored soil containing a high percentage of humus [3] (4% to 16%) and high percentages of phosphorus and ammonia compounds. [4] Chernozem is very fertile soil and can produce high agricultural yields with its high ...
Humus also absorbs water, and expands and shrinks between dry and wet states to a higher extent than clay, increasing soil porosity. [174] Humus is less stable than the soil's mineral constituents, as it is reduced by microbial decomposition, and over time its concentration diminishes without the addition of new organic matter.
Mor humus has three distinct layers: A litter (L) layer, atop a fermentation (Fm) layer, followed by a humus (H) layer, before the transition to mineral soil (Ae, Bf). ). Unlike other types of forest floor humus, the litter layer is well-differentiated from the fermentation layer, and the fermentation layer remains distinct from the humus la
The word “humility” comes from the Latin root for “ground” (hum-) which it shares with both “human” and “humus”—that nutrient rich soil that gardeners love. In this way, humility ...
Listing price on eBay: $2,500 There were countless Japanese-made, cartoon-like ceramic figurines made during the 1950s, and some of the most valuable (and collectible) are vintage salt and pepper ...