Forestry book

Resin, resin collection and consequences of collecting resin

Resin, resin collection and consequences of collecting resin

The resin is exudative product of some plants. Natural resins are usually of vegetable origin and are characterized by a solid composition at room temperature, insoluble in water and partial or complete solubility in the alcohol. Resins in nature occur primarily or by secondary or exist as such in the resin canals plants, and serve as a defensive asset when incurred injury, or secondary secreted […]

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Method study of plant communities – analytical processing

Method study of plant communities – analytical processing

Stands as an integral part phytocenoses Basic and specific unit phytocenoses is the stands. That is, for example- part of the forest, homogeneous floristic composition and structure, approximately the same level of development, which could be conditionally say that is environmentally autonomous in the strict sense. It has all the essential features of forest plant communities. As fir in nature has more individual, so one […]

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Defining the concept of maturity stands for cutting

Defining the concept of maturity stands for cutting

The term “mature stands” is conditional and changeable, as with the development of wood processing industry, a special processing technology, with respect to use of forest, stands becomes mature much earlier. The main harvest can be made and the time when the stand is not completely physiologically ripe, ie. when it has not reached the age of physiological maturity – fruiting. This means that some […]

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Oral apparatus of insects

Oral apparatus of insects

Oral apparatus is an organ that is used for feeding insects. Consists of: Upper lip (labrum) The upper jaw (mandible) Lower jaw (maxilla) Lower lip (labium)

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The significance of the establishment of forests and plantations

The significance of the establishment of forests and plantations

The establishment of forests and plantations has primary importance for the economy and society, which is reflected through:

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