đoàn lạp
Definition
- Noun (Agriculture / Soil Science):
- Soil aggregate: A naturally formed cluster or clump of soil particles (such as sand, silt, clay, and organic matter) bound together. Soil aggregates are a fundamental unit of soil structure and are crucial for aeration, water infiltration, and root growth.
Usage Examples
- Noun:
- Cấu trúc đất tốt được đặc trưng bởi các đoàn lạp ổn định và bền vững. (Good soil structure is characterized by stable and durable soil aggregates.)
- Việc canh tác quá mức có thể phá vỡ các đoàn lạp trong đất. (Excessive tillage can break down the aggregates in the soil.)
Advanced Usage
- The term is technical and is primarily used in scientific, agricultural, and environmental contexts when discussing soil health, erosion control, and land management.
Variants and Related Words
- Kết cấu đất (n): soil structure (the overall arrangement of soil aggregates and pores).
- Hạt đất (n): soil particle (an individual component, such as a sand grain, which binds with others to form an aggregate).
Synonyms
- Soil clod: Often implies a larger, sometimes artificially formed mass.
- Soil crumb: Typically refers to a small, porous, and rounded aggregate.
Related Concepts
- Aggregate stability: A key measure of soil quality referring to an aggregate's ability to resist breaking apart when exposed to forces like water or wind.
- Soil porosity: The space between aggregates, which is vital for air and water movement.