61.   Tree roots are less of a problem because you can cut the smaller ones and shift the hole slightly to avoid the larger ones.

62.   Tree roots drink a lot of water, so remember to water what you plant.

63.   Tree roots generally grow out and away, not down.

64.   Two problems that you may encounter are rocks and tree roots.

65.   Tree roots and sewer pipes are a match made in heaven, he said.

66.   We climbed a series of exposed tree roots and fraying rope ladders for nearly three hours before the ground leveled off on top of the mountain.

67.   What little trickles down must find its way through the increasingly thick network of tree roots.

68.   While tree leaves like carbon dioxide, the tree roots need oxygen.

69.   While tree leaves like carbon dioxide, he said, the tree roots need oxygen.

70.   Below the earth, the nymphs slowly suck the sap from tree roots for nourishment.