richness of flora Russia truly great.Due to the geography of the broadest in the vast expanses of the country grow different kinds of plants.Among them, some of us are familiar, of the existence of others we do not even suspect.
These different trees
studied the flora of his native land the best examples.It can be fun to find answers to several questions.For example, a tree above, birch or apple?What stronger wood, walnut or beech?How to determine the age of a tree?Answers to these and many other questions reveal the secrets of these silent and caring human companions - trees.If you learn how to ask, you can surprise a lot of facts, hitherto unknown, those familiar and close plants that we see every day.Rowan and ash, chestnut and poplar ... Can a man not hesitate to answer any tree above?Birch and apple can also be an example for comparison - you know you have a plant growing wider areola?It is with the latter two representatives of the plant world, and we propose to begin to get acquainted closer with the nature of their native land.
Symbol Russia
White barrel, curly branches and lush foliage make the birch like a bride in her folklore are often assigned a central role.This tree is a symbol of Russia.In natural stands of our country there are about 70 of his species, and isolated in the world to 140. The highest number of species found in the eastern parts of Asia and in North America.Birch comes to the most extreme southern and northern borders of growing woody plant representatives.
In the European part of the country are widespread silver birch with white birch.Both types of uprightness, have a white or grayish-white bark and trunk diameter of 80 cm. Is one of the main tree species grow in pure birch forests or other coniferous and deciduous trees in the mixed.The last is easy to see how the tree above.Birch and apple, and with them, oaks and other species that are similar in height, form the middle tier, cedars and spruce long-term - the upper, the lower positioned Shade shrubs.Although the neighborhood is more "powerful" rocks, first of all birch trees populate the logging and fires.
Unpretentious beauty
often in Russian forests can meet the forest of apple trees.The most northern edge of its habitat - the Karelian Isthmus, Volgograd and Perm Region, large areas of natural vegetation wildings in Voronezh and Kursk regions.Apple and birch are found not only in the wild landscapes, both wood perfectly and harmoniously coexist with humans.Domesticated species of apple trees can be found in every courtyard or garden.Rhode apple has about 50 species.Most of them are wild.One forest trees in the middle lane can give a total weight of the fruits of more than 50 kg.This is a fairly undemanding plant - survives in different soils, tolerates frost.
difference in age and height
If you compare what the tree above, birch and apple, it is best to consider how these plants grow in the wild.It depends on the location and type.In favorable conditions, birch can reach up to 30 meters in height, on average - 10-15.Malus sylvestris slightly less rare specimens of more than 20 meters (it can be, for example, apple Sievers, found in Kazakhstan and Central Asia).The average height of the apple - 7-12 meters.With regard to age, surely everyone is interested to find out who lives longer, birch or apple.In comparison with the known long-lived (and we know that oak can reach the age of 800 years, and Sequoia and baobab - 3000 years), we studied species belong to "average performance".The average age of birch trees is 100-150 years, some members of the stone birch live up to 500 years.Garden of apple live about 80-100 years, the age limit wildings - 300.
value for people
his undoubted benefit to mankind proved and birch, and apple, the difference is, of course, among them there are, but whether it can becommensurate?Birch wood used for veneer, flooring made from it, household items, wooden parts in the guns.Karelian birch is the production of expensive furniture.In apple dense wood with a beautiful pattern, suitable for production of joinery and turning from it are often made small crafts.Calculating future boldness of the crown, as well as considering that the higher the apple tree or birch, these trees are often planted as an ornamental plant in parks and gardens.And the fruits of apple and birch sap to write a separate article.Their use in the recovery of the body and it is saturated with vitamins, resinous and tannins, essential oils, sugar, fiber and other elements irrefutable.
These are our friends, neighbors vegetable.Clean, simple, and such useful.
