thau chua
Definition
- Verb (Agriculture):
- To leach acidity / to wash out acidity: The process of draining acidic water from fields, particularly rice paddies, and replacing it with fresh water to reduce soil acidity and improve conditions for crops.
Usage Examples
- Verb:
- Nông dân đang thau chua cho ruộng lúa. (The farmers are leaching acidity from the rice paddy.)
- Việc thau chua rất quan trọng để cải tạo đất phèn. (Leaching acidity is very important for rehabilitating acid sulfate soil.)
Advanced Usage
- This term is highly specialized and primarily used in the context of agricultural land management, especially in Vietnam's Mekong Delta region to treat acid sulfate soils.
Variants and Related Words
- Rửa phèn (v): A near-synonymous phrase also meaning to wash out alum/acid from soil.
- Ruộng này cần được rửa phèn trước khi trồng. (This field needs to have its acidity washed out before planting.)
Synonyms
- To flush acidity: To wash away acidic elements by flooding and draining.
- To remediate acidity: To treat and improve acidic soil conditions.
Related Idioms
- This is a technical agricultural term and is not commonly used in idiomatic expressions.