Scientific Journal of KubSAU

Polythematic online scientific journal
of Kuban State Agrarian University
ISSN 1990-4665
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159 kb

MULTIFLOROUS FORMS OF BREAD WINTER WHEAT AS A MODEL OBJECT IN THE RE-SEARCH OF THE REPRODUCTIVE POTENTIAL OF THE MAIN EAR

abstract 1401806024 issue 140 pp. 100 – 111 29.06.2018 ru 375
The article deals with the realization of the re-productive potential of wheat with the use of multi-flower formation as a model object of winter soft wheat plants. The essence of the concept of "reproductive potential" is disclosed, as well as the significance of this concept for research aimed at increasing the productivity of wheat plants. The data obtained during the study and analysis of varieties of winter soft wheat with the sign of multi-flower formation are given. The reproductive potential of winter soft wheat plants was determined by counting flowers at the VI stage of organogenesis. The examined multi-flower forms of soft winter wheat compared with Krasnodar breeding varieties showed increased reproductive potential, as well as an increased number of grains with the ear, but with a reduced mass of 1000 grains. According to the data obtained, the degree of the reproductive potential of multi-flower forms of winter soft wheat varied significantly, depending on the weather and climate conditions of the year of the study. In conclusion, the choice of multi-flower formation of winter soft wheat as a model object for investigating the reproductive potential of wheat, as well as the factors that influence its implementation and the extent of such influence is justified
147 kb

MINIMIZING TILLAGE AND ITS EFFECT ON AGRO-PHYSICAL INDEXES OF LEACHED CHERNOZEM AND PRODUCTIVITY OF FIELD CROPS

abstract 1401806026 issue 140 pp. 112 – 122 29.06.2018 ru 443
This article discusses the results of research on the effect of soil treatment on agro-physical performance and productivity of major field crops. The task of the research was to determine the impact of primary tillage (moldboard plowing), surface treatment (minimum) and zero (direct seeding) is factor A, fertilizers – B, and herbicides as factor C for agro-physical properties of soil. We have found that high density led to a significant increase in the proportion of the stone faction in the structural composition of the soil. Deterioration of the agro-physical properties while minimizing soil tillage has negatively affected water, air and food regimes under crops rotation. When all methods of soil tillage are applied, the moisture reserves in the 0-200 cm layer in early spring had the lowest values of moisture-holding capacity (230-272 mm) and were defined by the features of weather conditions and past cultures. At the time of sowing, their number decreased by 12% (203-241 mm). The most economical way of spending moisture was shown by plants on the moldboard tillage. In autumn, fewer weeds (7-11 PCs/m2) there were in the options for ploughing. When the surface and zero ways of soil treatments were applied, their number for 1 m2 was 1.2-1.9 times bigger. We effectively eliminated weeds only when applying herbicides. Different crop cultures reacted differently to minimizing the tillage. The greatest reduction in yield was observed when applied surface and zero tillage in cultivated crops. Thus, studies have shown that in order to obtain maximum yields of field crops of crop rotation, reducing production costs, there must be a rational combination of deep or conventional plough tillage for surface or zero tilled for grain crops
197 kb

DEVELOPMENT OF NEW SOYBEAN GROWTH REGULATORS

abstract 1401806027 issue 140 pp. 123 – 122 29.06.2018 ru 229
To develop new promising soybean growth regulators, we have synthesized series of derivatives of nitrogen-containing heterocycles. Synthesized compounds have been studied as potential soybean growth regulators. Substances with a high growth stimulating effect have been found. The growth regulators affected the branching coefficient, the number of seeds in the beans and their weight. The yield increased by 6.7-23.4%, the quality of grain increased
149 kb

CONTENTS AND FORMS OF CHROMIUM COMPOUNDS IN THE WEST FOOT CAUCASUS LEACHED CHERNOZEM IN CONDITIONS OF AGRICULTURAL SOIL GENESIS

abstract 1401806028 issue 140 pp. 123 – 133 29.06.2018 ru 370
Chromium in soils is represented by the following forms of connections: 1) stationary; 2) strongly bound in the composition of primary and partially secondary clay minerals, with one and a half aluminum and iron hydroxides; 3) exchange bound on the surface of one-and-a-half oxides and clay minerals; 4) associated with organic matter of soils; 5) water-soluble compounds. The gross chromium content (70.1-78.3 mg/kg) in leached chernozem is well below clark soils of the world (100 mg/kg). The share of mobile, acid-soluble and acid-insoluble forms of the element compounds is 0.01, respectively; 7.09 and 92.9 % of its gross content. After three rotations of 11-full grain-grass-tillage crop rotation without mineral fertilizers, the chromium content in leached chernozem has not undergone significant changes, even to some extent there is a tendency of its reduction. This indicates the absence of serious natural sources of chromium in the soil. Scientifically-based system of fertilizers for agricultural crops does not lead to anthropogenic pollution of leached chernozem with chromium. The removal of this element with crop yields is compensated by its receipt in the form of ballast with mineral fertilizers
151 kb

MORPHOLOGICAL FEATURES AND SOWING QUALITIES OF SILYBUM MARIANUM (L.) GAERTN. VARIETY

abstract 1401806029 issue 140 pp. 134 – 142 29.06.2018 ru 385
Distinctive features of seeds of Silybum marianum two varieties – the ‘Start’ and the ‘Debut’ on morphology are presented in the article and also data on influence of storage conditions on sowing qualities of seeds are submitted. Seeds of two varieties differ among themselves on coloring, a form and mass of 1000 seeds. The ‘Debut’ is characteristic sign of a variety existence of dark strips on a surface of seeds. Results of two years of tests have shown that during 1 year from the moment of collecting seeds energy of germination and viability gradually increases and reaches the maximum values in 12 months independently of storage conditions. The viability of seeds of the Silybum stored at the room temperature within 18 months decreases by 8,5-12,5%. As a result of an experiment it has been established that in the conditions of not heated room successful storage of seeds is possible not longer than one year, after that sowing qualities of seeds sharply decrease
209 kb

INFLUENCE OF SOIL MELIORANT ON WATER - PHYSICAL PROPERTIES AND STRUCTURAL STATE OF SOILS OF THE KUBAN REGION

abstract 1401806030 issue 140 pp. 143 – 162 29.06.2018 ru 236
In the conditions of the Northern and Southern foothill zones of the Krasnodar Territory, the soil preparation Reasil® Soil conditioner was tested to study its effect on the water – physical properties and structural state of the chernozem of ordinary and alluvial meadow soils. Field and field experiments were conducted in the Northern Zone when maize was cultivated in irrigation. The preparation was applied before sowing by the spreader "Amazone" under pre-sowing cultivation (to a depth of 12 cm) at a dose of 400 kg / ha. In the South foothill zone, the experiment was conducted on a crop – a seedling tomato. The preparation was applied before planting seedlings in a dose of 200 kg / ha. It was established that the application of meliorant did not significantly change the density and total porosity in the arable and subsoil layers of alluvial meadow soil, which was 1,46–1,47 g / cm3 and 44,3–44,5 %, respectively, with practically no pores occupied air (porosity of aeration). However, the use of ameliorant on this soil contributed to an increase in the content of agronomically valuable aggregates in the arable and subsoil horizons, respectively, by 15,9 and 22 %, and the sum of waterproof aggregates by 8,4 and 1,5 %. In the northern zone, when maize was grown, it was established that the application of meliorant did not significantly change the soil density and total porosity in the arable and subsoil layers of the chernozem plain, where it amounted to 1,29–1,32 g/cm3 and 51,6–51,5 % at rather high aeration porosity. The meliorative method reduced the content of agronomically valuable aggregates in the arable layer of chernozem by 15,4 % and increased their quantity in the subsoil horizon (1,4 %). The number of waterproof aggregates increased on the variant with the use of ameliorant, respectively, by 19,9 and 2,8 %
12514 kb

AUTOMATED SYSTEM-COGNITIVE ANALYSIS OF ANTIBIOTICS IN VETERINARY MEDICINE

abstract 1401806033 issue 140 pp. 163 – 212 29.06.2018 ru 391
Antibacterial chemotherapeutic drugs, which include antibiotics and synthetic antimicrobial agents, are widely used in veterinary medicine for the prevention and treatment of diseases caused by microorganisms. Antibacterial agents can be classified by type of action and chemical structure. It is also known that when several drugs are used in combination with each other, they interact within the body with each other, which can lead to strengthening or weakening of their action. For these reasons, it is of scientific and practical interest to develop a classification of antibiotics by their characteristics and principle of action (task 1), as well as by mutual compatibility (task 2). The article solves these problems using a new method of agglomerative cognitive clustering, implemented in automated system-cognitive analysis (ASK-analysis). This method of clustering has a number of advantages over the known traditional methods of clustering. These advantages allow us to obtain clustering results that are understandable to specialists and amenable to meaningful interpretation, which are well consistent with the experts ' assessments, their experience and intuitive expectations, which is often a problem for classical clustering methods. The article provides detailed numerical examples of solving two problems. The universal automated system called "Eidos", which is a tool of ASK-analysis, is in full open access on the author's website: http://lc.kubagro.ru/aidos/_Aidos-X.htm. Numerical examples of solving veterinary problems with the use of artificial intelligence technologies are placed as cloud Eidos-applications and are available to everyone
549 kb

CALCULATION OF THE VOLUME OF DE-LIVERED BIRD DUNG UNDER FERTILIZER IRRIGATIONS OF TOMATOES IN THE FIRST ROTATION AND CUCUMBERS IN THE SE-COND ROTATION

abstract 1411807001 issue 141 pp. 1 – 18 28.09.2018 ru 520
We have made calculations using the values of dung delivered after the analysis of laboratory research of the soil and irrigation water delivered with organic fertilizers. Based on the data on values of hydraulic resistance coefficients of mixer elements, mixing chamber and diffuser, we found diameters of pressure pipelines, reduced head of NGPR mixer, velocity of flow discharge from mixing nozzles and the mixing chamber. According to the design data of the pump head values, those of the mixer head, the head on inlet into the mixer and head in a reservoir of constant pressure a possibility was received to specify values of factors under studies on location of irrigation system and to test the design data with the help of the experimental value received. A low head system with hydraulic and geometric parameters of mixing is recommended for small farms
555 kb

PARAMETERS OF A DEVICE FOR MAINTAINING CONSTANT FLOW OF LIQUID IN A HYDRAULIC ROW SOWING MACHINE FOR SEEDLING PLANTS

abstract 1411807003 issue 141 pp. 19 – 29 28.09.2018 ru 581
We present results on proving parameters of the device for maintaining uniform flow of liquid in hydraulic row sowing machine for seedling plants. Main difference between row sowing in greenhouse and in field is 10 to 20 times less width between rows. Existing sowing machines (because of little width between rows) can only perform scattered sowing. A method and a scheme of the device for maintaining uniform flow of polydispersed system (working liquid – seeds of seedling plants) are theoretically proved. Parameters of the device for maintaining uniform flow of polydispersed system (working liquid – seeds of seedling plants) are experimentally proved. We have also defined the effect of pipe’s position in the tank on flow of polydispersed system out of it and the effect of polydispersed system parameters (working liquid – seeds of seedling plants) on peculiarities of hydraulic sowing technological process. Testing the experimental row sowing machine for seedling plants determined that this machine adequately performs sowing process and increases productivity 8.3 times compared to manual sowing
151 kb

STANDARD MANUFACTURING SCHEME ADAPTATION FOR A SMALL-SCALE INTRAECONOMIC MIXED FODDER PLANT

abstract 1411807004 issue 141 pp. 30 – 40 28.09.2018 ru 365
The research object are methods of standard manufacturing schemes adaptation for small-scale intraeconomic mixed fodder plants. The standard manufacturing scheme adapts for specific plant by process of elimination of unnecessary additional technological modules in this configuration, or in their changeover by other modules allowing to achieve the required quality level of processing of raw materials or compound feed by changeover of the available technological operations by more perfect and also in adding in the scheme of new modules. The adaptation algorithm of the standard manufacturing scheme for production the compound feeds is developed for the intraeconomic plant. The algorithm creates an opportunity as much as possible to consider specific conditions and needs of specific agricultural enterprise in case of design. Application of the adapted modular technological circuits on the designed small-scale formula-feed plants will allow to increase considerably nutritional value and biological safety of the produced compound feeds
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