rửa mặn

Thân thiện

Bà con nông dân dẫn nước ngọt vào ruộng để rửa mặn cho đất.

Definition

1. Verb (Agriculture):
   • To remove salt from; to desalt (rice fields): The process of washing away or reducing the salt content in soil, particularly in rice paddies, to make the land suitable for cultivation.

Usage Examples

• Verb:
  • Nông dân đang rửa mặn ruộng lúa trước mùa vụ. (Farmers are desalting the rice field before the crop season.)
  • Quá trình rửa mặn có thể mất vài mùa mưa. (The salt-leaching process can take several rainy seasons.)

Advanced Usage

• Technical/Environmental Context: The term is used in agricultural and land reclamation contexts, often involving irrigation or natural rainfall to flush salts from the soil profile.
  • Dự án cải tạo đất bao gồm việc rửa mặn quy mô lớn. (The land reclamation project includes large-scale desalination of the soil.)

Variants and Related Words

• Khử mặn (v): To desalinate. (Often used for water, but can apply to soil in a similar technical context).
• Rửa phèn (v): To remove alum/acid sulfate from soil. (A related agricultural process for rehabilitating different types of degraded land).
• Thau chua rửa mặn (idiomatic phrase): A comprehensive term for rehabilitating acidic and saline soils.

Synonyms

• Desalt (v): To remove salt.
• Leach salts (v - phrase): To remove salts by percolating water through the soil.

Related Phrases (Collocations)

• Rửa mặn đất (v): To desalt soil.
• Công trình rửa mặn (n): Desalination/leaching works (infrastructure like canals or drains for this purpose).

Related Idioms

• While not a classic idiom, the phrase "rửa mặn" can be used metaphorically in some contexts to describe "cleansing" or "removing a negative element," though this is less common than its literal agricultural use.
  • Phải rửa mặn những thói hư tật xấu đó đi. (One must wash away those bad habits.) (Figurative use)

Học thuật

1. (nông nghiệp) Remove salt from; desalt (rice-fields)