Assertion: date palm's foot | /r/HasProperty | 9 x 9 m
Facets:
Source sentences:
text: iii. outside rows of palms, exposed to more sunshine bear consistently more fruit than those planted inside, giving some weight to the thesis that the standard planting distance of 30 x 30 feet (9 x 9 m) may be a little too close (from a productivity point of view).