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27 relations: Acid sulfate soil, Aerenchyma, Ant, Atmospheric pressure, Blue goo, Carbohydrate, Carbon dioxide, Deserts and xeric shrublands, Diffusion, Earthworm, Food Security Act of 1985, Gleysol, Mesic habitat, Microorganism, Mole (animal), Oxygen, Plant, Ponding, Porosity, Redox, Root, Soil, Soil gas, Soil life, United States, Wade Hurt, Wetland.
Acid sulfate soil
Acid sulfate soils are naturally occurring soils, sediments or organic substrates (e.g. peat) that are formed under waterlogged conditions.
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Aerenchyma
Aerenchyma is a spongy tissue that forms spaces or air channels in the leaves, stems and roots of some plants, which allows exchange of gases between the shoot and the root.
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Ant
Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera.
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Atmospheric pressure
Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet).
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Blue goo
Blue goo is a sticky, plasticky, blueish-grey, clay-textured soil derived from a highly weathered serpentinite mélange.
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Carbohydrate
A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water); in other words, with the empirical formula (where m may be different from n).
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Carbon dioxide
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
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Deserts and xeric shrublands
Deserts and xeric shrublands are a biome characterized by receiving only a small amount of moisture, usually defined as less than 250 mm of annual precipitation.
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Diffusion
Diffusion is the net movement of molecules or atoms from a region of high concentration (or high chemical potential) to a region of low concentration (or low chemical potential) as a result of random motion of the molecules or atoms.
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Earthworm
An earthworm is a tube-shaped, segmented worm found in the phylum Annelida.
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Food Security Act of 1985
The Food Security Act of 1985 (P.L. 99-198, also known as the 1985 U.S. Farm Bill), a 5-year omnibus farm bill, allowed lower commodity price and income supports and established a dairy herd buyout program.
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Gleysol
A Gley (глей) is a wetland soil (hydric soil) that, unless drained, is saturated with groundwater for long enough periods to develop a characteristic gleyic colour pattern.
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Mesic habitat
In ecology, a mesic habitat is a type of habitat with a moderate or well-balanced supply of moisture, e.g., a mesic forest, a temperate hardwood forest, or dry-mesic prairie.
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Microorganism
A microorganism, or microbe, is a microscopic organism, which may exist in its single-celled form or in a colony of cells. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from 6th century BC India and the 1st century BC book On Agriculture by Marcus Terentius Varro. Microbiology, the scientific study of microorganisms, began with their observation under the microscope in the 1670s by Antonie van Leeuwenhoek. In the 1850s, Louis Pasteur found that microorganisms caused food spoilage, debunking the theory of spontaneous generation. In the 1880s Robert Koch discovered that microorganisms caused the diseases tuberculosis, cholera and anthrax. Microorganisms include all unicellular organisms and so are extremely diverse. Of the three domains of life identified by Carl Woese, all of the Archaea and Bacteria are microorganisms. These were previously grouped together in the two domain system as Prokaryotes, the other being the eukaryotes. The third domain Eukaryota includes all multicellular organisms and many unicellular protists and protozoans. Some protists are related to animals and some to green plants. Many of the multicellular organisms are microscopic, namely micro-animals, some fungi and some algae, but these are not discussed here. They live in almost every habitat from the poles to the equator, deserts, geysers, rocks and the deep sea. Some are adapted to extremes such as very hot or very cold conditions, others to high pressure and a few such as Deinococcus radiodurans to high radiation environments. Microorganisms also make up the microbiota found in and on all multicellular organisms. A December 2017 report stated that 3.45 billion year old Australian rocks once contained microorganisms, the earliest direct evidence of life on Earth. Microbes are important in human culture and health in many ways, serving to ferment foods, treat sewage, produce fuel, enzymes and other bioactive compounds. They are essential tools in biology as model organisms and have been put to use in biological warfare and bioterrorism. They are a vital component of fertile soils. In the human body microorganisms make up the human microbiota including the essential gut flora. They are the pathogens responsible for many infectious diseases and as such are the target of hygiene measures.
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Mole (animal)
Moles are small mammals adapted to a subterranean lifestyle (i.e., fossorial).
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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Plant
Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.
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Ponding
Ponding is the (typically) unwanted pooling of water, typically on a flat roof or roadway.
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Porosity
Porosity or void fraction is a measure of the void (i.e. "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%.
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Redox
Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.
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Root
In vascular plants, the root is the organ of a plant that typically lies below the surface of the soil.
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Soil
Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.
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Soil gas
Soil gases are the gases found in the air space between soil components.
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Soil life
This table is a résumé of soil life,, Les Bases de la Production Végetal, tome I: Le Sol et son amélioration,, 2003 coherent with prevalent taxonomy as used in the linked Wikipedia articles.
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United States
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
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Wade Hurt
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Wetland
A wetland is a land area that is saturated with water, either permanently or seasonally, such that it takes on the characteristics of a distinct ecosystem.
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References
[1] https://en.wikipedia.org/wiki/Hydric_soil
