Circulation of substances - one of the most important laws of nature.The water in the reservoirs evaporates under the influence of the sun, rises into the atmosphere and then in the form of rain returns again to the rivers and lakes.Plants grow from the soil, become obsolete and their turning into humus in the same soil.The same thing happens with many minerals.
Phosphorus and its properties
phosphorus cycle in nature in their own way very interesting.In the natural environment this element common in large enough quantities.The share of its content in the bowels of the earth is about 0.12%.As the extent of the chemical in the bark of it is the thirteenth place.Large deposits of this substance does not exist.Phosphorus in nature relates to so-called scattered elements.
Another feature of phosphorus - its high degree of oxidation.Because in pure form in nature, it does not happen.But it is part of the 120 minerals and their compounds, the most valuable of which are apatite and phosphorite.Moreo
significant proportion of phosphorus atoms found in the tissues of living organisms, protein compounds, DNA and ATP.Biologists call it "part of life."Another name - "the element of thought", t. To. Phosphorus activates the brain, nourishes it spurs mental activity.
phosphorus cycle in nature affects all levels of the ecosystem, excluding only the atmosphere.It happens this way: in the course of the activity of microorganisms, soil acid gradually erode apatite deposits.Elements of phosphorus are part of the biochemical cycle.Commercially available soil phosphates nourish a plant.Phosphorus compounds are deposited in the fruit and seeds.
Among the plants that are actively used in food animals and man, in the first place are legumes.They serve as food for humans and herbivores, and phosphorus are the building blocks of animal bones and human skeletons.This is the role of the calcium salt of phosphoric acid.If the body there is the lack of them, the body begins to suffer from all sorts of pathologies on this basis: brittle bones, and so on. D. A large amount of phosphorus contained in the teeth.Phosphorus-containing substance chemically treated with digestive processes, split and synthesized in the new organic compound.With faeces phosphate into the soil again.
The phosphorus cycle in nature actively intervenes man, his intelligent activity.This element is widely used in the manufacture of matches.Many varieties of stainless steel coated with a thin layer of phosphate, to make it more resistant to weathering.Such treatment is subjected to the product of zinc alloy, aluminum and other metals.Because phosphorus compounds do drugs.
The geological cycle of substances and includes fertilizers, which are added to the soil in accordance with the needs of agriculture.Their production also are natural phosphates.
In some areas of terrestrial species are found in large quantities accumulation of organic phosphates.For instance, of guano - bird droppings, in which a high proportion of phosphorus.It is found in places of mass nesting of birds - in the Pacific Islands, Peru and so on. D. Deposits of certain phosphate compounds in terrestrial rocks can tell you about all sorts of geological disasters, resulting in the mass dying animals.On the global extinction of marine organisms says biolitnaya hypothesis formation of phosphorite.