Assertion: crop | /r/CapableOf | build up organic matter
Facets:
value: to the point
type: TEMPORAL
value: in the absence of tillage
type: TEMPORAL
value: in soils with depleted organic matter
type: OTHER
Source sentences:
text: In the absence of tillage, and in soils with depleted organic matter, crops with large root systems may build up organic matter to the point that nearly all of the soil nitrogen and phosphorus is immobilized.