available phosphorus

USAGE SUMMARY

The phrase "available phosphorus" is correct and usable in written English.
It can be used in contexts related to agriculture, soil science, or environmental studies to refer to the phosphorus that is accessible for plant uptake. Example: "The soil test results indicated a high level of available phosphorus, which is beneficial for crop growth."

✓ Grammatically correct

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Exchangeable potassium, calcium, magnesium, and available phosphorus content, however, were unaffected by landslide deposition.

Geoderma

Under those optimizing process, the available phosphorus content was determined to be 9.17%.

Construction and Building Materials

Application of straw mulch significantly increased the available phosphorus and potassium in the soil.

Agricultural Water Management

We found significant relationships between soil available phosphorus and NDVI seasonal change.

Landscape and Urban Planning

Soil fertility maps showed sufficient concentrations of soil available phosphorus and available potassium.

Soil and Tillage Research

Available phosphorus was set below requirement and the total phosphorus set to meet requirements for salmonids.

Aquaculture

Soil available phosphorus (P) was extracted using a sodium hydrogen carbonate solution and then measured using the spectrophotometric method U-3900HH, HITACHI, Japan).

Nature

Concentrations of total nitrogen, organic matter, available phosphorus, available potassium and pH levels were determined for each soil sample.

Forest Ecology and Management

Variation among LUs in terms of tree biomass was strongly driven by soil available phosphorus and soil physiological depth.

Forest Ecology and Management

In terrestrial ecosystems, much of the available phosphorus moves in a closed cycle between living organisms and the organic debris in the soil.

Encyclopedia Britannica

Soils differ in the amount of phosphorus they contain, and in some phosphorus-poor soils almost all the available phosphorus resides in living organisms and organic debris.

Encyclopedia Britannica

Expert writing Tips

Best practice

When discussing soil composition, specify the method used to determine "available phosphorus" as different extraction methods can yield varying results.

Common error

Avoid using "total phosphorus" and "available phosphorus" interchangeably. "Total phosphorus" refers to the overall amount present, while "available phosphorus" is the fraction accessible for plant uptake.

Linguistic Context

The phrase "available phosphorus" functions as a noun phrase, where 'available' modifies 'phosphorus'. According to Ludwig, it denotes the fraction of phosphorus in a system that is accessible for uptake by living organisms, particularly plants. It is commonly used in scientific and agricultural contexts.

Expression frequency: Very common

Frequent in

Science

75%

Encyclopedias

15%

Formal & Business

5%

Less common in

News & Media

2%

Wiki

1%

Reference

1%

Ludwig's WRAP-UP

In summary, "available phosphorus" refers to the phosphorus in a system that is readily accessible for biological uptake. As confirmed by Ludwig, this phrase is grammatically sound and predominantly used in scientific and agricultural contexts. It is crucial to differentiate it from "total phosphorus", which represents the overall phosphorus content regardless of accessibility. The term's high frequency in scientific literature underscores its importance in understanding nutrient dynamics and informing management practices.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

accessible phosphorus

Focuses on the accessibility of phosphorus for biological uptake.

plant-available phosphorus

Specifically highlights the availability of phosphorus for plant use.

readily available phosphorus

Emphasizes the ease with which phosphorus can be accessed.

soluble phosphorus

Refers to the phosphorus that is dissolved and therefore more accessible.

mobile phosphorus

Highlights the phosphorus that can move freely in the soil.

extractable phosphorus

Refers to phosphorus that can be extracted from the soil for testing.

bioavailable phosphorus

Emphasizes the bioavailability of phosphorus for organisms.

labile phosphorus

Refers to the phosphorus that readily exchanges with other forms.

inorganic phosphorus

Specifies that the phosphorus is in an inorganic form, which is often more available.

phosphorus nutrient availability

Focuses on the nutrient characteristic of phosphorus.

FAQs

How do you measure "available phosphorus" in soil?

Several methods exist to measure "available phosphorus" in soil, including the Olsen method, Bray method, and Mehlich method. The choice of method depends on soil pH and other factors.

What factors affect "available phosphorus" in soil?

Soil pH, organic matter content, and the presence of certain minerals can influence the amount of "available phosphorus". High pH can reduce phosphorus availability by forming insoluble calcium phosphates.

How can I increase "available phosphorus" in my garden?

You can increase "available phosphorus" by adding organic matter, using phosphorus fertilizers, or managing soil pH to optimize phosphorus solubility.

What is the difference between "available phosphorus" and total phosphorus?

"Available phosphorus" refers to the fraction of total phosphorus in the soil that plants can readily absorb. Total phosphorus includes all forms of phosphorus, regardless of their accessibility to plants.