Assertion: buckwheat | /r/HasProperty | sown with a grain drill
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Buckwheat should be sown with a grain drill at a depth of 1/2 to 1 inch.
text: Buckwheat usually is sown with a grain drill or air seeder at the rate of 40 to 50 pounds of pure live seed per acre.