Assertion: walnut | /r/Desires | deeper soil layers
Facets:
value: during times of drought
type: TEMPORAL
value: for survival
type: PURPOSE
Source sentences:
text: Such soils maintain a fairly uniform available water content to considerable depth, and walnut growing on these soils are able to draw their moisture and nutrients largely from the more fertile shallow soil while still being able to rely on the deeper soil layers for survival during times of drought.