№ 87(3), March, 2013
Public date: 30.03.2013
Archive of journal: Articles count 66, 145 kb
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EVALUATION OF PARK PLANTING IN THE SYSTEM OF GARDENING OF PETROZAVODSK
DescriptionThe article presents the results of the state evaluation of trees and shrubs in landscaping plantings of different types situated in four parks in Petrozavodsk. The species and number of plants in good, satisfactory, and unsatisfactory states were determined. The conducted analysis of species distribution and the number of trees and shrubs in each category of state allows working out the activities for planting reconstruction
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Description
Works of painters of past is the source of information of crop domestication, use in horticultural, species diversity. Lagenaria crop images in painting can also be a resource for determining the morphological changes of the crop in evolution
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Description
The article studies the impact of waste and ash from the elevators of their burning on the microflora of rhizoplane, rhizosphere and phylloplane of winter wheat grown on leached black soil
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DYNAMIC COMMUNITIES OF GREENHOUSE BIOCENOSES IN EXPOSITIONS OF TROPICAL AND SUBTROPICAL PLANTS
DescriptionIn this article, the features of dynamic communities’ formation under greenhouse conditions of Tsytsin Main Botanical Garden of the Russian Academy of Sciences are discussed. It has been shown, that complex consortia consisted of different species of higher plants, mosses, fungi and bacteria are formed in the model expositions of tropical and subtropical regions. The diversity of microorganisms, responsible for close interactions with greenhouse orchids and sago palms is reported, and the effects of associative bacteria on growth and development of the host-plant is discussed
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01.00.00 Physical-mathematical sciences
PREONS SHELLS AND ATOMIC STRUCTURE
01.00.00 Physical-mathematical sciences
DescriptionWe consider the model of the structure of electrons and quarks, in which these particles are presented consisting of elementary particles preons. From this model, the theory of electron shells, as a continuation of the quark nuclear shells has been proposed
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01.00.00 Physical-mathematical sciences
DescriptionIn the article, the algorithm – a recurrent formula for calculation of determinants of prefractal graphs with the full primers, keeping old edges contiguity in a trajectory was received