The process of removing moisture from newly felled tree is known as

The inner part of wood surrounding the pith is called

The outer annual rings between heart wood and cambium layer is known as

The function of ……… is to hold together the annual rings of heart wood and sap wood

The age for felling good trees

In which season the sap is in vigorous motion and hence the felling of trees in these season should be avoided

Outer bark is also known as

Which of the following is defect in timber due to fungi

There is a chance for fungi attack if moisture content is more than

Which defect is indicated by white decayed spot