Assertion: butterfly's number | /r/HasProperty | cultured for pollination management
Facets:
value: in order to have sufficient pollinators
type: PURPOSE
Source sentences:
text: A serious environmental problem is the decline of populations of pollinator insects, and a number of species of insects are now cultured primarily for pollination management in order to have sufficient pollinators in the field, orchard or greenhouse at bloom time.:240–243