Assertion: birch | /r/HasProperty | shallow-rooted
Facets:
Source sentences:
text: Because birch are shallow-rooted, they prefer a location where the soil remains cool and moist while exposing the canopy to ample sunlight (about 6 hours daily).
text: They are shallow-rooting trees that need cool, moist, shaded soil, yet their canopies need plenty of sun.