Wood:

Drying produces a decided increase in the strength of wood, particularly in small specimens. An extreme example is the case of a completely dry spruce block 5 cm in section, which will sustain a permanent load four times as great as a green (undried) block of the same size will.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What will drying often increase in wood?
strength