bluuebunny/crossref_metadata_2025_split huggingface dataset:
Soil toxicity reduction by phytoindicators
Authors: Bekuzarova S A , Khatsaeva F M , Tebieva D I , Bekmurzov A D , Kebalova L A , Gobeev M A 
Published: March 2021

Abstract
The grass mixtures use in phytoremediation is poorly studied, so we have proposed some options for new plant species that can grow on polluted land and accumulate pollutants with aboveground biomass. In heavy soil contamination case with heavy metals, we suggest using annual plants with large biomass in the recultivation first year, which can remove up to 50% of the pollutant from the biological cycle in the first year. Studying plants on toxic soils, we determined their accumulating capacity and used them as phytomeliorants. In several experiments, indicator plants were used: amaranth, clover, alfalfa, elm, stevia, ragweed, winter camelina mixed with an annual type of clover, and others, which, with the maximum biomass accumulation, were plowed into the soil in a mixture with zeolite-containing clays of local importance. The experiments result showed that with the indicator plants help it is possible not only to improve soil fertility, but also to significantly reduce the heavy metals and oil products amount. Organic waste from agricultural production was also of great importance in reducing soil toxicity: corn cobs, sunflower baskets, and leaf litter embedded in the soil with biological products. To activate the plowed organic mass, para-aminobenzoic acid (PABA) was used. The experiments result showed a significant decrease in toxicants in the soil when using organic waste and plowing plants as a green fertilizer in a mixture with zeolite-containing clays and biological products.
Geoinformation model of heterogeneity in the value of rural territories in the region
Authors: Zhigulina T N , Meretsky V A 
Published: March 2021

Abstract
The article deals with one of the main problems of the state land management system - the problem of decision-making information support. Using the example of a geoinformation model of rural Altai Territories value heterogeneity, the possibility of determining such territories on the basis of integral accounting of market data on quotations (transactions) and statistical indicators characterizing the quality of population social security, in terms of minimum conditions for the comfort of living is shown. To understand the relative value of a particular point on the digital model, a semblance of price relief is built. With the help of the constructed model on the territory of the region, it is possible to unambiguously distinguish several categories of territories that differ in value. The factors that explain the existing categories of territories in the region are considered. A set of such models provides an effective tool capable of making forecasts and proposing specific mechanisms for improving the policy in the field of region’s land and property complex management, aimed at increasing its value.
Modeling of rare rain floods on the example of middle rivers of Angara basin
Authors: Belyakova A Yu , Ivanyo Ya M , Petrova S A 
Published: March 2021

Abstract
The paper presents the results of creating mathematical models for predicting the maximum water discharge of rare rain floods and an algorithm for the probabilistic assessment of such hydrological phenomena. The developed models are implemented to describe the catastrophic flood observed on the river Iya at Tulun. The prognostic and actual values of the maximum water levels are compared, and the likelihood of a rare hydrological event with a dispersion interval for given significance levels is obtained. The results are important for warning the public about the dangers and designing protective structures.
Negative impact modeling on the Baltic Sea in the production of underground gas storages
Authors: Epifanov A V , Tsoy E V , Smirnova A S , Smirnova V O 
Published: March 2021

Abstract
The technology of construction in salt caves based on the erosion of salt layers of underground gas storages facilities has been considered. The main technological processes, leading to wastewater pollution have been determined. The main pollutants that were formed during the production of UGS facilities, which have a negative impact on the water environment, have been identified. The necessary hydrochemical, morphometric, hydrological and hydrometeorological characteristics of the Baltic Sea section in the area of wastewater discharge through the scattering outlet have been determined, the necessary cartographic material has been prepared in the system of geographic coordinates. The parameters were substantiated and mathematical models were constructed for wind currents and convective-diffusion transport of pollutants for a section of the Baltic Sea in the area of wastewater discharges from the Kaliningrad’s UGS facility. The zones of negative impacts of pollutants from wastewater discharges in the Baltic Sea area have been calculated.
Concentration of heavy metals in the soil cover of industrial zones of Krasnoyarsk
Authors: Korotchenko I S , Pervyshina G G , Rozhkova N A , Kostetskay T V , Lebedev N A 
Published: March 2021

Abstract
The article is devoted to the assessment of soil pollution in industrial zones of the city of Krasnoyarsk. The comparison of the regions of Krasnoyarsk CHPP-1, Krasnoyarsk CHPP-2 and Krasnoyarsk CHPP-3 is performed by the total index of soil pollution with heavy metals. The representativeness of the obtained data was confirmed by the corresponding statistical processing. In the studied areas, an increased content of mobile forms of lead, cadmium, copper, nickel, zinc, manganese, cobalt, chromium was recorded, which, in contrast to the control, is higher on average by 2.7; 2.6; 5.1; 6.1; 6.7; 4.4; 2.1; 1.7 times, respectively. An excess of the MPC (APC) for the elements under study was recorded, and only the content of mobile forms of cadmium in all 3 industrial zones does not exceed the MPC (APC). In the areas of TPP-1, TPP-2 and TPP-3 of the city of Krasnoyarsk, the content of Co, Cd, Ni and Mn has an indicator value. Indicators of the level of accumulation of heavy metals can be used in monitoring urban areas.
Ecological monitoring in the impact zone of an industrial enterprise producing alumina
Authors: Shepelev I I , Eskova E N , Kiryushin E V , Pilaeva O V 
Published: March 2021

Abstract
Ecological monitoring in the impact zone of an industrial enterprise that produces alumina will ensure effective management of production processes. In the course of monitoring in the area of sludge farm near Achinsk alumina plant in Russia, systematic observations and timely detection of underground water contamination, determining the size of the contamination area, as well as studying the development of the underground water contamination area in time and space is carried out. In wells located in the immediate proximity of the sludge storage, maximum values of alkalinity, potassium and bicarbonate are observed and away from the sludge storage, the values of these indicators decrease. It is established that the zone of negative impact is located within 300-500 m from the contour of the sludge storage, outside of which the chemical composition of underground water almost corresponds to the background. Monitoring studies of the soil in the area adjacent to the sludge storage showed their recovery after reclamation and phytosanation. The analysis has shown that the ecological monitoring system at JSC “RUSAL Achinsk” combines all the necessary components: instrument and hardware maintenance, a measurement organization system, and a set of methods for analyzing the results of observations, providing all the necessary conditions for its implementation in practice.
Plowing of soils in the Ciscaucasia: a criterion for choosing a processing system
Authors: Kuzychenko Yu A 
Published: March 2021

Abstract
Plowing up of soils, as the most common type of degradation, is expressed in a specific deterioration in the structure of the soil and an increase in its density. Therefore, it is necessary to assess the degree of plowing S of various types of soils of the Stavropol Territory, based on a number of agrophysical indicators: density (d, g/cm3), hardness (T, g/cm2) and soil structure (content of aggregates> 10 mm, C, %), s the purpose of developing recommendations for the introduction of specific systems of basic cultivation for crops of crop rotation on a specific type of soil. Calculations of the degree of plowing showed that on highly plowed solonetzic chernozems with a value of S = 0.99, deep moldboard-free loosening up to 30 cm is recommended. wheat, moldboard or non-moldboard tillage 25–27 cm for row crops, shallow tillage for ear crops after fallow fallows and legumes. On poorly plowed southern chernozems, light-dark and chestnut soils (S = 0.76 - 0.66), a minimization system with shallow basic tillage and periodic moldboard or non-moldboard tillage at the end of short rotation crop rotations is acceptable.
The use of pulp and paper industry waste as soil for recultivation of disturbed lands
Authors: Bogdanov A V , Shatrova A S , Darmaeva L B , Shkrabo A I 
Published: March 2021

Abstract
The article is devoted to the study of the use of waste from the pulp and paper industry as soil, which can be used in technical and biological recultivation of disturbed lands, industrial waste dumps and other applications in accordance with its purpose. Studies of soil obtained from frozen sediments of sludge-lignin of JSC “Baikal Pulp and Paper Mill (BPPM)” with the addition of waste activated sludge of sewage treatment facilities were carried out. They were aimed at the research of its chemical and agrochemical composition, as well as toxicological properties. The tests carried out showed that the obtained soil is capable of intensifying the recultivation succession of disturbed lands, and also contributes to an increase in the growth and biomass of plants and increases their ability to reproduce. Thus, the developed technology for processing sediments of storage cards of JSC “BPPM” is based on the creation of effective conditions for such natural processes as freezing, drainage, self-overgrowth and allows not only to reduce the technical and economic costs of waste disposal, but also to increase the social and environmental security of the region.
The results of selective breeding of blue chives (Allium nutans L) on leached chernozem of the Ob region of the Altai Territory
Authors: Shishkina Y V , Zharkova S V , Gefke I V , Manylova O V 
Published: March 2021

Abstract
Perennial onion crops, due to their nutritional and taste properties, have been known and used by humans for a long time. Perennial species of onion crops are divided into edible and decorative, and people use them for these same qualities in their daily life. The group of perennial wild species of onion crops for consuming includes 18 species. These onions have a fairly high productivity and high eating experience. This group includes blue chives (Allium nutans L). In practical vegetable growing, this perennial plant is not very widespread. One of the reasons for the lack of demand for crops among producers is the lack of varieties adapted to growing conditions. The purpose of our work was to create a variety of blue chives for the conditions of the south of Western Siberia. The studies of promising clones of blue chives were carried out in 2008-2018 in the forest-steppe conditions of the Ob region of the Altai Territory. Field experiments were laid on a site located outside the selection crop rotation, at the West Siberian Vegetable Experimental Station, a branch of Federal State Budgetary Scientific Institution “FSCVG”. The objects of the research are 8 breeds of blue chives, with numbers according to the station catalog: 28, 41, 51, 72, 169, 195, 218, and 225. The subject of research is economically valuable traits and indicators of the qualitative composition of leaves. The recognized variety “Green” was taken as a standard. As a result of the research carried out on the totality of indicators, sample No. 72 was selected, which was included in the program to create a new variety in 2011. Applying the method of analytical selection and using multiple clone selection, a new variety of blue chives, named Svetloyar, was developed. In 2018 sample No. 72 was transferred to the State Variety Test, successfully passed it and, according to the results of the study in 2020, it was zoned and entered into the State Register of Plant Variety Achievements approved for use as the variety “Svetloyar”.
Design and methodology for technological calculations of cable-winch traction plow ditchers
Authors: Karnaukhov A I , Kukhar I V , Orlovskiy S N 
Published: March 2021

Abstract
A current problem of drainage reclamation is the construction of a network of drainage canals or ditches. Existing technologies of an open drainage network ensure the use of single-bucket or rotary excavators, and with a ditch depth of up to 1 m it is required to use plow-type ditchers with two or three thrust tractors of T-170B type. It is possible to implement the required pulling forces for the operation of plow canal diggers using cable-winch draught. At the same time, a tractor with a winch-anchor passes, unwinding a tracking cable, along the route of the future channel, anchors and pulls the plow canal digger with the traction of the winch. On soils with a low bearing capacity, this principle of operation allows ensuring high flotation and efficiency factor, to realize the traction forces required for constructing a canal up to 1.7 m deep in one pass. Hereof it follows that the determination of the optimal design parameters of the units for forest reclamation work, as well as their mode work is relevant.
Climate influence on photosynthesis related morphophysiological traits of wheat
Authors: Stupko V Yu , Neshumaeva N A , Pomytkin N S , Kukushkina K V , Surin N A 
Published: March 2021

Abstract
The morphophysiological parameters of leaves are often used for breeding material screening in selection programs for stress tolerance. In opposite, the pigments content (chlorophyll a and b, carotenoids) and their ratios, stoma quantity and size on both leaf sides and leaf area were involved into characterization of single soft spring wheat variety reactions to different climate conditions at different vegetation stages. Three geographic locations of the Krasnoyarsk Territory were involved. Chlorophyll content along with stoma area appeared to be the most sensitive traits and changed a lot, depending on weather conditions at the certain vegetation stage. So they were considered to be the main predictors of grain yield at 2020 vegetation period.
The prospects for no-till in the cultivation of corn for grain
Authors: Volkov A I , Prohorova L N , Shabalin R A 
Published: March 2021

Abstract
Low-fertile sod-podzolic soils of Chuvashia studied the influence of traditional, minimal and zero tillage on the yield and quality of corn grain. Traditional technology of maize cultivation for grain included disc discarding of stubble of spring wheat to a depth of 4–6 cm, peeling, dumping of plow for 20–22 cm, pre-sowing cultivation for 4–6 cm with simultaneous harrowing, sowing and packing. The system with minimal soil cultivation was based on autumn disking and stubble sinking to a depth of 6–10 cm, spring pre-sowing cultivation for 8– 10 cm and sowing with the Amazone seed drill. At no-till processing in the autumn period, the herbicide was sprayed with a continuous Zero action and a direct sowing of maize by the Amazone complex in the spring. Research conducted on a highly efficient hybrid of the ROSS 199 MV universal direction showed the advantages of no-till of the ground before the minimal and traditional technologies. The coefficient of energy efficiency in this case was 2.11 (with the traditional - 2.02, with the minimum - 2.10), and the profitability level increased by 3.6 and 1.5% compared to traditional and minimal tillage. Biochemical analysis revealed that the corn grain at zero processing is not inferior in quality to the control variant. In all variants of the experiment, 1 kg of grain corresponded to 1.42 feed units and 13.01-13.05 MJ of exchange energy.
Implementation of the circular economy in the timber industry of the Krasnoyarsk territory
Authors: Yushmanova V A , Vysotina A A , Novoselsky N K , Ragozina M A , Nurgaleev B A 
Published: March 2021

Abstract
The article is devoted to the issues related to the development of methods for introducing the circular economy to the timber industry in Russia. Much attention is given to the introduction of a closed-loop economy that will create a beneficial environment for the development of the timber industry, and the use of this technique will allow enterprises to solve economic, resource and ecological problems. It is spoken in detail about actions of the development and establishment of the circular economy by the example of the Krasnoyarsk territory taking into account international experience of implementation. The model of the technological process of a closed-loop timber industry has been developed based on the Strategy for Development of Industry for Sorting, Recycling and Treatment of Waste for the period until 2030. The efficiency of the model implementation was analyzed. The findings suggest that this approach could also be useful for the enhancement of economic efficiency at enterprises. It has been found that use of waste-free production can reduce the environmental burden in the Krasnoyarsk territory.
Study of application prospects of water resources of some water storage basins of Samara region for the purposes of drinking water supply
Authors: Shabanova A V , Zakirova M N 
Published: March 2021

Abstract
Providing the population with high-quality drinking water is an important task, for the implementation of which, in particular, the state program of the Samara region “Clean Water” was approved. One of the first stages of its implementation is an inventory of surface and ground water bodies that are promising for drinking water supply. Water storage basins are of particular interest in this regard. The present work deals with the assessment of water quality of Vetlyanskoye, Polyakovskoye and Chernovskoye reservoirs by a set of hydrochemical indicators. It is shown that the water of Polyakovskoye and Chernovskoye reservoirs generally meets the requirements of standards for drinking water, while the water of Vetlyanskoye water storage basin has a high salinity and a significant excess of the MPC for manganese compounds. In this regard, the prospects for using of the water of Vetlyanskoe reservoir seem to be dubious due to the need to organize a technically complex stage of demanganation in the process of water treatment. The decision on the possibility of using the water resources of Polyakovskoe and Chernovskoe reservoirs for drinking water supply can be made after additional safety studies on microbiological indicators.
Spontaneous combustion of lithium batteries and its preventive measures
Authors: Zhang Qian 
Published: March 2021

Abstract
The new round of global scientific and technological revolution and industrial transformation are developing vigorously. The integration of automobiles with the energy, communications and other industries has been accelerated, and profound changes have taken place in automobile product forms, transportation modes, energy consumption structure and social operation modes, and the new-energy automobile industry is facing unprecedented opportunities for development. However, lithium battery, the main component of new energy vehicles, has become a power source and an energy storage power source for peak-frequency modulation due to its advantages of high voltage, good cycling performance, high specific energy and small environmental pollution. With the development of new battery material technology, the energy density and electrochemical performance of batteries have been greatly improved, but this often leads to the decrease of safety performance, resulting in frequent fire accidents of lithium batteries. In this paper, the fire causes of lithium batteries are analyzed and the frontier research on fire causes of lithium batteries is described. Secondly, the combustion mechanism of lithium battery is analyzed, including the process of thermal runaway and diffusion. Thirdly, the improvement measures in material, technology, design and control system of lithium battery are put forward. It is hoped that these Suggestions can promote the prevention of spontaneous combustion of lithium batteries.
Sanitary and hygienic aspects of urban environment pollution by dog feces
Authors: Lykov I N , Pavlova O P , Rudova S A 
Published: March 2021

Abstract
The aim of the study is to assess the scale of parasitic and microbial soil contamination in residential areas of the city of Kaluga (Russia), including playgrounds and kindergarten areas. The research method involved identifying Toxocara eggs and microorganisms in sandpits, lawns, and boulevards. Investigated 210 samples of soil and sand in different areas of the city. It was found that the soil pollution of boulevards with Toxocara eggs is 4.9 times higher than that of sandpits and 1.9 times higher than that of lawns. Molds of the genera Aspergillus, Penicillium, Mucor, Fusarium, Cladosporium, Candida, Alternaria, and Rhizopus were sown most often from the soils of lawns and boulevards. The bacterial microbiota is represented by Clostridium, Enterococcus, Enterobacteriaceae, Salmonella and Micrococcus. The average number of microorganisms isolated from soil and sand samples varied in the range from 1.5 to 3.0 million CFU in 1 g. To quantitatively estimate the population of domestic animals, a sociological survey was conducted annually for 20 years. A total of 4,700 people over the age of 16 were interviewed.
Carbon additives for high-quality well cementing
Authors: Kovalchuk V S , Nikolaev N I 
Published: March 2021

Abstract
This article deals with the possibility of adding carbon materials to the cement system. The obtained experimental results are able to analyze the physical and mechanical properties of the grouting mixtures modified with the graphite and its derivatives. The solution of the highly efficient well cementing and fixing operations should be done by the introduction chemical additives to the cement slurry. It is necessary to conduct laboratory investigation with respect to the certain geological, technical and technological features of the mine. That is why several types of carbon additives were examined. The results of this study are useful for finding efficient and ecologically friendly resolution and the maximal strength and minimal permeability values of the grouting mixtures, modified with graphite, oxidized graphite, and flacked thermally expanded oxidized graphite.