Assertion: sunflower | /r/AtLocation | the four to six leaf stage
Facets:
value: beyond cotyledon
type: LOCATION
value: in dry afternoons
type: TEMPORAL
Source sentences:
text: Postemergence cultivation with a coilspring harrow, spike tooth harrow or rotary hoe is possible with as little as 5 to 7% stand loss when sunflowers are at the four to six leaf stage (beyond cotyledon), preferably in dry afternoons when the plants are less turgid.