Knowra Phosphorus Phosphorus Phosphorus is a chemical element with symbol P and atomic number 15. In living organisms, phosphate compounds form structural components and support energy transfer and genetic information.
Phosphate : A negatively charged ion or group containing phosphorus and oxygen, central to biological chemistry. Phosphorus enters many plant processes as phosphate ions taken up from soil.
Phosphate transporter : A membrane protein that moves phosphate ions across a biological membrane. Root transporters bring soil phosphate into plant cells.
Phosphorus fertilizer : A fertilizer that supplies phosphorus, usually in phosphate compounds, to crops. Farmers apply it to address soil phosphorus shortages and support crop growth.
Phosphorus deficiency in plants : A plant condition caused by insufficient phosphorus for normal growth and metabolism. Low phosphorus can restrict growth and alter leaf coloration and development.
Nitrogen : A chemical element with symbol N and atomic number 7, essential to proteins and nucleic acids. Both nutrients limit plant growth, but nitrogen has a major atmospheric reservoir unlike phosphorus.
Adenosine triphosphate : A nucleotide that transfers usable chemical energy through its phosphate groups. Its phosphate bonds connect phosphorus directly to cellular energy transfer.
Mycorrhiza : A close association between a fungus and plant roots, often involving reciprocal nutrient exchange. Fungal hyphae can extend phosphorus acquisition beyond the root surface.
Soil phosphorus : The phosphorus present in soil, distributed among dissolved, mineral, organic, and biologically bound forms. Its available fraction governs how much phosphorus roots can acquire.
Phosphorus limitation : Restricted biological growth or activity caused by insufficient phosphorus supply. Phosphorus can constrain plant productivity and ecosystem nutrient cycling.
Potassium : A chemical element with symbol K and atomic number 19, required for plant water regulation and enzyme function. It is another major plant nutrient, but potassium does not form phosphate-based biomolecules.
Show all 28