This handbook aims to give in encyclopedic form, for ready reference, an illustrated summary to date of information on where and how pine gum, or oleoresin, is
Pines are known to mankind from the time immemorial. It offers both direct uses, as well as indirect uses specially soil conservation. Initially it was used mai
Pinus is one of the most widely distributed genera of trees in the northern hemisphere, extending from the polar region to the tropics and including Central and