OBJECTIVE FORESTRY

Detailed explanation-1: -Such a wood is darker in appearance and comprises narrow and small xylem components with relatively thicker walls. Such a cambium is referred to as late wood or autumn wood. Both the spring wood and the autumn wood produced in one year together form a ring which is referred to as annual ring or growth rings.

Detailed explanation-2: -The light-colored rings represent wood that grew in the spring and early summer, while the dark rings represent wood that grew in the late summer and fall. One light ring plus one dark ring equals one year of the tree’s life.

Detailed explanation-3: -growth ring, in a cross section of the stem of a woody plant, the increment of wood added during a single growth period. In temperate regions the growth period is usually one year, in which case the growth ring may be called an “annual ring.” In tropical regions, growth rings may not be discernible or are not annual.