The wood, which is mainly used for making stencil plate, can be harvested twice in 20 years, after which the land must be left fallow or used to grow other crops for a period. Usually, the roots of old crops must be burned out before new ones can be planted.
杉木的外型修長，適合做建築用材或建築模板，通常砍伐一次，十年後，還可以收成第二次，然後為了保持地力，就必須休耕或改種其他作物。