The phrase "phosphorus levels" is correct and can be used in written English.
An example sentence might read: "The water samples showed high phosphorus levels, indicating potential environmental issues."
So were his magnesium and phosphorus levels.
By 2003, with the first phase under way, phosphorus levels had dropped dramatically.
Phosphorus levels plunged by two thirds, and the algae subsided.
So they then examined lake sediments for different algae species, to provide a record of phosphorus levels over time.
PTH and calcitrial also are important in maintaining serum phosphorus levels.
They found that phosphorus levels had declined significantly since the early 1970's, when activity at the base was at its peak.
Main plot consisted of five phosphorus levels, viz.
In particular, high phosphorus levels in ash were favourable to plant growth.
Mortality rate was adjusted with the relative risk related to serum phosphorus levels.
Total phosphorus levels in T3 seeds of transgenic and non-transgenic rice plants were determined.
The soluble reactive phosphorus levels reported from monoculture treatments ranged from 0.016 to 0.082 mg/l.
