Assertion: soil | /r/CapableOf | become compacted
Facets:
value: over time
type: TEMPORAL
value: extremely
type: DEGREE
Source sentences:
text: When soils become extremely compacted, roots can no longer penetrate the soil.
text: The objective of tillage (mechanical manipulation of the soil) is to improve tilth, thereby increasing crop production; in the long term, however, conventional tillage, especially plowing, often has the opposite effect, causing the soil to break down and become compacted.
text: Over time the soil will become compacted and have less air space for roots to function.