This article aims to study the effect of insect pests in oak forests, as well as the impact of the green oak leaf on other types of leaf-eating insects
Steppe rivers (Eja, Beysug, Chelbas et al.) occupy a vast Azov-Kuban plain, whose total length reaches 4800 km and catchment area of the entire hydrological network of up to 24 000 km. Dams and silting increase flooding of agricultural land and many rivers severely degraded with a reduction of its water content and its quality. Landscapes of the steppe zone occupy a middle reaches of the largest rivers - Beysug River, Chelbas, Eja and differ of transaccumulative character and accompanied by numerous beams and small slope that prone to weak erosion. The valleys of the steppe rivers are characterized by high and gentle slopes and floodplains of river slightly wavy and their deep areas are swamped. As a parent rocks it is dominated by loess clay and clay. Features of soil cover are determined by topography. Black soils were formed on the plain, eroded and meadow-black soils are on the slopes, and meadow-bog soils - in areas with stagnant water. The climate is characterized by moderate winter and hot summers with insufficient moistened soil and low air humidity. The vegetation of the river systems of the steppe zone is divided into marsh, meadow, meadow-steppe vegetations and vegetations of saltmarshes. The ichthyofauna of small rivers is very scanty that is determined by the hydrological regime. Plowing of lands along the water bodies, the development of wind and water erosion is typical for steppe rivers; therefore siltation and overgrowing of rivers are widespread
The article shows the influence of associated species on oak trees in small groups and evaluation of the state of the oak tree category depending on its surrounding
There is gender differences regulatory-adaptive status of the students at the beginning and at the end of the academic year in the article. The results must be considered in the allocation of training load during the academic year
This study was aimed on testing of IRAP markers developed
at plum on varieties of peach, Russian plum and cherry plum and genotyping of home and foreign varieties of plum, followed by an analysis of the data. During the testing of the markers have been identified as a high level of polymorphism between genotypes of plum and between the studied species. On the basis of the results obtained by genotyping 15 samples of Prunus was built dendrogram. Cluster analysis was divided into 3 groups corresponding varieties of P. persica, P. domestica and a common group for varieties of Russian plum and cherry plum
Compound compost during its formation involving organic and mineral wastes retains the organic matter by reducing its degradation products with nitrifying and denitrifying organisms due to its economical ex-penditure of phosphorus and calcium, increased am-monia and total nitrogen, formation in the process of development of calcium sulfate with participation in its formation of residue calcium salt and ammonia
The products containing consortia lactic and bifidobacteria, play an important role in a food of people, especially children, persons of advanced age and patients. Microorganisms - active producers of the useful substances capable to transformation of connections natural or synthesized by a chemical way in substances valuable to the person. In this article the researches of the influence of consortia of microorganisms on meat raw materials are presented
Accounting stands (1959, 1977, 2007) revealed reduction of areas dominated by deciduous species and larch in the State Nature Reserve "Stolby". Area stands of fir and pine increased. Area stands of cedar and spruce didn’t change over the last 50 years. Deciduous stands differs rapid accumulation of stock, but they have productivity lower then conifers. There is a shift in even-aged stands to multiple-aged stands in coniferous formations. They are close to a climax state. Cedars grow on the type of the even-aged stands, because they appeared in the area recently
In the article, we have studied the effect of lead contamination, an alternating magnetic field, their combination on such groups of soil microorganisms, as ammonifying, amylolytic, nitrogen-fixing bacteria, and micromycetes. The pollution had a significant and different effect on the number of soil microorganisms. The nature and extent of this effect varied depending on the level of impact of each factor, and they were not linear
The article considers the issues of distribution of Luffy, the properties of its fruit, its cultivation technology. It also discusses the features of biological development and farming cultivation. Based on the analysis of the image, it shows the main countries of
its industrial production: China, India, Vietnam, Japan. Attention is paid to the dissemination of Luffy in our country, the directions of breeding research have been substantiated