barnyard grass
Học thuậtThân thiện
Definition
Noun: * A coarse, fast-growing annual grass, considered a widespread weed in agricultural fields and disturbed areas. It is a member of the Panicum genus and is occasionally cut for hay or used as forage for grazing animals.
Usage
- The term is used as a common name for a specific, weedy grass species ().
- It is typically used in agricultural, botanical, or gardening contexts to describe an unwanted plant.
- It functions as a countable noun (e.g., , ).
Examples
- The rice paddies were heavily infested with barnyard grass, which competed with the crop for nutrients.
- Farmers must control barnyard grass early in the season to protect their yields.
- In dry summers, the barnyard grass was sometimes cut and baled as emergency hay.
Advanced Usage
- The name "barnyard" refers to its common habitat around farmyards and moist, nitrogen-rich soils.
- It is often discussed in the context of herbicide resistance, as it is a problematic weed in many global cropping systems.
Variants and Related Words
- Common barnyard grass: A more precise full common name.
- Cockspur grass: Another common name for the same species.
- Echinochloa crus-galli: The scientific (Latin) name for the species.
- Weed: A general term for an unwanted plant; barnyard grass is a specific type of weed.
- Panic grass: The common name for the genus ( and related genera) to which it belongs.
Synonyms
- Cockspur
- Water grass (Note: This name can refer to several different grass species)
Different Meanings
- The term "barnyard grass" has only one primary meaning, referring specifically to the plant species . It is not used idiomatically.
Noun
- a coarse annual panic grass; a cosmopolitan weed; occasionally used for hay or grazing