HUMUS Meaning and
Definition
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Humus is a crucial component of soil that plays a vital role in supporting plant growth. It is the dark brown or black organic matter that forms from the decomposition of plant and animal materials. This decomposition occurs through the activities of various microorganisms, such as bacteria, fungi, and earthworms. As these organisms break down organic matter, they release nutrients into the soil. Humus, therefore, acts as a nutrient reservoir, providing essential elements like nitrogen, phosphorus, and potassium to plants.
Humus has several key properties that make it highly beneficial for soil. Firstly, it enhances the soil's ability to hold moisture, preventing excessive water runoff and increasing water retention. This makes it particularly valuable in dry regions. Secondly, humus improves soil structure by promoting aggregation, creating a crumbly texture that improves drainage and aeration, allowing roots to penetrate easily. Moreover, humus acts as a buffer, helping to balance soil pH and reducing the negative impacts of acidic or alkaline conditions.
In addition to its physical characteristics, humus also provides a favorable environment for beneficial soil organisms. It fosters the growth of beneficial bacteria and fungi while suppressing harmful pathogens. This promotes a healthy soil ecosystem, enhancing overall soil fertility and supporting sustainable agricultural practices.
Overall, humus is a fundamental constituent of fertile soil due to its ability to store and release nutrients, improve soil structure and water retention, and support beneficial soil life. It is a key ingredient for successful plant growth and is essential for sustaining healthy ecosystems and facilitating agricultural productivity.
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Vegetable mould, formed of decayed leaves and other vegetable matter.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The dark-brown or black soil formed by the decay of vegetable matter.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Top Common Misspellings for HUMUS *
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Other Common Misspellings for HUMUS
Etymology of HUMUS
The word "humus" comes from the Latin word "humus", which means "earth" or "ground". It is derived from the Proto-Indo-European root *dhǵhem-, meaning "earth" or "soil". This same root has also given rise to other related words such as "humble" and "human". In English, "humus" specifically refers to the dark organic matter formed by the decomposition of plant materials in soil.
Similar spelling words for HUMUS
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