As compared to nitrates & other macro elements, decomposers take longer time to decompose any dead biota into phosphates. Decomposers are organisms especially a soil bacterium, fungus, or invertebrate, that decompose organic material. These are the reasons for phosphorus cycle being the slowest biogeochemical cycle.
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Why is phosphorus cycle a slow process?
The phosphorus cycle is an extremely slow process, as various weather conditions (e.g., rain and erosion) help to wash the phosphorus found in rocks into the soil. In the soil, the organic matter (e.g., plants and fungi) absorb the phosphorus to be used for various biological processes.
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How slow is the phosphorus cycle?
Over long periods of time, phosphorus-containing sedimentary rock may be moved from the ocean to the land by a geological process called uplift. However, this process is very slow, and the average phosphate ion has an oceanic residence time—time in the ocean—of 20,000 to 100,000 years.
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Why is the phosphorus cycle much slower than the nitrogen cycle?
Answer: The phosphorous cycle is slower than carbon cycle and nitrogen cycle because phosphorous is found mainly in very small dust particles. It moves very slowly from the deposits on land and in sediments and then it is transferred to the organism and from organism it is moved more slowly to the soil.
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Why is the phosphorus cycle a slow cycle?
The phosphorus cycle is an extremely slow process, as various weather conditions (e.g., rain and erosion) help to wash the phosphorus found in rocks into the soil. In the soil, the organic matter (e.g., plants and fungi) absorb the phosphorus to be used for various biological processes.
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How slow is the phosphorus cycle?
Over long periods of time, phosphorus-containing sedimentary rock may be moved from the ocean to the land by a geological process called uplift. However, this process is very slow, and the average phosphate ion has an oceanic residence time—time in the ocean—of 20,000 to 100,000 years.
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Why is the phosphorus cycle less complicated than the nitrogen cycle?
In some ways, the phosphorus cycle is not as complex as the nitrogen or sulfur cycles because P does not typically undergo oxidation-reduction reactions or exist in gaseous forms. However, as in the N and S cycles, the biological processes of mineralization and immobilization as well as plant uptake are present.
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Why the phosphorus cycle occurs more slowly compare to carbon and nitrogen cycle?
Nitrogen and carbon circulate from the air to the ground and vice versa, while phosphorus is mostly in a solid state, as a mineral and some of its forms do not dissolve in water and end up at the bottom of aquatic ecosystems and are difficult to return to the cycle.
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Why is phosphorus the slowest cycle?
The phosphorus cycle is considered the slowest of all biogeochemical cycles because the movement of phosphorus is quite slow in oceans and soil despite the movement of phosphates being fast in plants and animals. For instance, the movement of phosphate ions takes 20,000 years to 100 000 years to move in the ocean.
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What is the speed of the phosphorus cycle?
The movement of phosphate from the ocean to the land and through the soil is extremely slow, with the average phosphate ion having an oceanic residence time between 20,000 and 100,000 years.
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Why is the phosphorus cycle unusual?
The phosphorus cycle differs from the cycles of other biologically important elements, such as carbon, nitrogen, and sulfur, in that it lacks a significant gaseous component; nearly all phosphorus in the environment resides either in solid or in aqueous forms.
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Why is phosphorus cycled more slowly than nitrogen?
As compared to nitrates & other macro elements, decomposers take longer time to decompose any dead biota into phosphates. Decomposers are organisms especially a soil bacterium, fungus, or invertebrate, that decompose organic material. These are the reasons for phosphorus cycle being the slowest biogeochemical cycle.
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Why phosphorus cycle is the slowest cycle?
Phosphorus is limited in supply for plant growth. Phosphates move quickly through plants and animals; however, the processes that move them through the soil or ocean are very slow, making the phosphorus cycle overall one of the slowest biogeochemical cycles.
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Is phosphorus the slowest cycle?
The phosphorus cycle is the slowest one of the matter cycles that are described here. Phosphorus is most commonly found in rock formations and ocean sediments as phosphate salts. Phosphate salts that are released from rocks through weathering usually dissolve in soil water and will be absorbed by plants.
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How does the nitrogen cycle differ from the phosphorus cycle?
The nitrogen cycle incorporates atmospheric nitrogen gas before it is fixed by cyanobacteria. Only the phosphorus cycle does not have a phosphorus containing compound in the atmosphere that is essential for life on Earth.
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