Assertion: pistachio's seed | /r/HasProperty | stratified for 30 to 60 days
Facets:
value: prior to
type: TEMPORAL
value: at about 41 degrees
type: LOCATION
Source sentences:
text: Dried seed must be stratified for 30 to 60 days at about 41 degrees prior to sowing in the spring or in a greenhouse during the winter.