Due to the seasonality of harvesting is necessary to create serious saw logs and veneer inventories of raw materials for wood processing enterprises. But the stockpiling of raw materials not only leads to the freezing working capital, but also for the inevitable decline in the quality of raw materials and even its loss. And it ultimately leads to higher prices for the cost of production. Reasons for which the decline in the quality raw materials as follows: End of the crack; Fungal and mold damage; Defeats nasekomymi. drevesinyPri natural drying of wood drying in the drying chamber outer surface of the timber quickly dries up, while the inner remains moist, while dried (outer) part of the wood shrinks. Accordingly, in the dried part of the stresses cause the cracks. Cracks in its turn contribute to the smooth penetration of fungal spores deep into the wood. The most intensive moisture evaporates from the end surface of the logs, which explains the formation of cracks in this area.
Defeats mushrooms and plesenyuDrevesina is a breeding ground for various fungi. For their development requires the optimal temperature and moisture content. The optimum temperature for most species of fungi is blue 26-27 C. The most favorable moisture for the development of fungi 35-80%. wood in most cases it has high water absorption rate, "Some types of mushrooms stimulate the development of strong blue wood-destroying fungi. The development of wood-destroying fungi occurs at a temperature from 2 to 35 C, humidity of 20% wood.