| A | B |
| direct seeding | planting seeds where trees will grow |
| herbicide | chemical to kill plants |
| prescribed burn | crontrolled fire to remove debris |
| girdling | chewing through the bark all around a tree, resulting in the tree's death |
| pruning | removing lower branches of a tree |
| dominant | trees with their crown above other trees |
| codominant | trees with crowns the same height as other trees around them |
| intermediate | trees with crowns in the lower level of the caopy |
| sapling | young tree up to 4" diameter |
| seedling | just germinated up to 3" height |
| even aged stand | forest where trees are all same age |
| uneven aged stand | forest wher trees are many different ages |
| artificial regeneration | seeds are seedlings were planted on the site |
| natural regeneration | site where trees are regrowing without being planted |
| silviculture | the art and science of tree production |
| senescent | trees that show defects due to old age |
| thining | removing some of a forest to improve growth |
| dibble bar | tool for planting seedlings |
| crown | foliage in the upper branches of a tree |
| liberation | removing undesirable trees from a stand |