Assertion: potash | /r/Desires | only separation
Facets:
value: from other minerals
type: OTHER
value: from the salt
type: OTHER
value: into a form
type: OTHER
value: from physical grading
type: OTHER
Source sentences:
text: Most potash for fertiliser is derived from one of these potash rocks, sylvinite, requiring only separation from the salt and other minerals and physical grading into a form suitable for fertiliser manufacture or farm spreading.