stratification

CONT: [La] stratification [visent] à imiter les conditions naturelles de sol auxquelles sont normalement soumises les semences en automne et en hiver.
OBS: La stratification permet le maintien de la vitalité sans que les organes se développent.

CONT: In horticulture, stratification is the process of pretreating seeds to simulate natural conditions that a seed must endure before germination.
CONT: [The] stratification [is used to stimulate] the soil conditions of fall and winter. Seeds are placed in a moist, sterile potting medium or sand, or kept in a cold dry place – depending on the treatment strategy.