Assertion: amaranth's seed | /r/HasProperty | sown in basin
Facets:
Source sentences:
text: Irrigate the land soon after seeds are hand sown in the trenches and basins.
text: Whether sown in the nursery or field, seeds need to be planted about 1.3 cm deep (0.5 in) (or covered with 1.3 of soil) for good germination.