1 Keep weeds from competing with your strawberry plants. 2  Make a hole large enough to spread the roots. 3  Hill the center of the hole and place the crown slightly above soil level. 4  Spread the roots downward on the hill. 5  Fill the hole, making sure the soil only goes halfway up the crown.
(Redirected from Circle of willis). The circle of Willis (also called Willis' circle, loop of Willis, cerebral arterial circle, and Willis polygon) is a circulatory anastomosis that supplies blood to the brain and surrounding structures.It is named after Thomas Willis (1621â1675), an English physician.Redirected from Circle of willis). The circle of Willis (also called Willis' circle, loop of Willis, cerebral arterial circle, and Willis polygon) is a circulatory anastomosis that supplies blood to the brain and surrounding structures.
Willis tower is the oldest building in the list and the construction of the building completed in 1974. It stands 442 meters or 1,450 feet high and composes 108 floors. Willis Tower is also the longest building that held the longest tallest worldâs record in the list. It held the record for a quarter decade. This tower is also the tallest building in north America.