Assertion: walnut | /r/HasProperty | removed
Facets:
value: more than a year
type: TEMPORAL
Source sentences:
text: Juglone from decomposing black walnut roots can persist in the soil for more than a year after walnut trees have been removed.
text: However, even plants at a seemingly great distance outside the drip line can be affected, and juglone can linger in the soil for several years even after a walnut is removed as its roots slowly decompose and release juglone into the soil.
text: In addition, even if a walnut tree is removed, juglones will not immediately be eliminated, because it is next to impossible to remove all root pieces from the soil and remaining pieces may continue to exude toxins for several years as they decay.
text: In addition, even if a walnut tree is removed, juglones will not immediately be eliminated, because it is next to impossible to remove all root pieces from the soil and remaining pieces may continue to exude toxins for several years as they decay.