scholarly journals Mathematical Investigation and Computers Simulation of Plant Protection Process Taking into Account the Temporary Age Structure and Arbitrary Tropic Functions

2021 ◽  
Vol 10 (6) ◽  
pp. 3160-3164
Keyword(s):  
Mathematical Modeling ◽  
Age Structure ◽  
Crop Production ◽  
Plant Protection ◽  
Sufficient Conditions ◽  
Biological Study ◽  
Main Task ◽  
Agricultural Crops ◽  
Mathematical Methods ◽  
Large Circle

The problem of describing the process of protecting agricultural crops in mathematical modeling is relevant. Today, the problem of plant protection attracts the attention of a large circle of scientists in connection with its promising use in priority areas of development of science, technology and agriculture. Mathematical modeling of the process of protecting the planned crop is one of the main tools in predicting the state of natural systems and managing them. One of the most important national economic, social and environmental problems at present is the improvement of systems for protecting agricultural crops from pests. Mathematical modeling of the process of protecting the planned harvest obliges to improve regional systems for protecting cotton on the basis of a targeted ecological and biological study, revealing the specifics of the formation and development of agro ecosystems in intensive crop production. The main task of the integrated method of combating agricultural pests of the plant protection process is the management of agrocenoses of “harmful insects” and “beneficial insects” of species based on the use of biological, chemical methods as a means or a management tool.The use of mathematical methods and computer software products to solve the problem of protecting the planned crop significantly increases the efficiency of planned and economic work and ensure optimal results. In this paper, we consider a mathematical model of the plant protection process, taking into account the temporal age structure and arbitrary trophic functions, formulate the task of plant protection. Necessary and sufficient conditions for the solvability of the plant protection problem with arbitrary trophic functions are found

Comparative Advantage of Using Biopesticides in Ukrainian Agroecosystems

2020 ◽  
Vol 2 (6) ◽  
Author(s):  
Hasrat Arjjumend ◽  
Konstantia Koutouki ◽  
Olga Donets
Keyword(s):  
Shelf Life ◽  
Crop Production ◽  
Plant Protection ◽  
Agricultural Practices ◽  
Crop Productivity ◽  
Poor Quality ◽  
Soil Biology ◽  
Chemical Contamination ◽  
High Concentration ◽  
Irreversible Damage

The use of unsustainable levels of chemical fertilizers and plant protection chemicals has resulted in a steady decline in soil and crop productivity the world over. Soil biology has undergone irreversible damage, coupled with a high concentration of toxic chemical residues in plant tissues and human bodies. Agricultural practices must evolve to sustainably meet the growing global demand for food without irreversibly damaging soil. Microbial biocontrol agents have tremendous potential to bring sustainability to agriculture in a way that is safe for the environment. Biopesticides do not kill non-target insects, and biosafety is ensured because biopesticides act as antidotes and do not lead to chemical contamination in the soil. This article is part of a larger study conducted in Ukraine by researchers at the Université de Montréal with the support of Mitacs and Earth Alive Clean Technologies. The responses of farmers who use biofertilizers (“user farmers”) and those who do not (“non-user farmers”), along with the responses of manufacturers or suppliers of biofertilizers, and research and development (R&D) scientists are captured to demonstrate the advantages of applying microbial biopesticides to field crops. Participants reported a 15-30% increase in yields and crop production after the application of biopesticides. With the use of biopesticides, farmers cultivated better quality fruits, grains, and tubers with a longer shelf life. Moreover, while the risk of crop loss remains high (60-70%) with chemically grown crops, this risk is reduced to 33% on average if crops are grown using biopesticides. The findings indicate that a large proportion of farmers would prefer to use biopesticides if they are effective and high quality products. In this context, the quality and effectiveness of products is therefore very important. Despite their benefits to soil, human health, and ecosystems, biopesticides face significant challenges and competition vis-à-vis synthetic pesticides for a variety of reasons. Therefore, the development of biopesticides must overcome the problems of poor quality products, short shelf life, delayed action, high market costs, and legal/registration issues.

scholarly journals Protection possibilities of agricultural minor crops in the European Union: a case study of soybean, lupin and camelina

2019 ◽  
Vol 127 (1) ◽  
pp. 55-61 ◽  
Author(s):  
Ewa Matyjaszczyk
Keyword(s):  
European Union ◽  
Active Substance ◽  
Plant Protection ◽  
Plant Protection Products ◽  
Agricultural Crops ◽  
The European Union ◽  
Member States ◽  
Minor Crops ◽  
Chemical Products

Abstract In the central part of the European Union soybean, lupin and camelina are minor agricultural crops. The paper presents analysis of plant protection products availability for those crops in Austria, Belgium, Czech Republic, Germany, Holland, Hungary, Poland and Slovakia. Data from year 2019 show that availability of products is generally insufficient. For camelina in some countries, there are no chemical products available whatsoever. For lupin and soybean, there are not always products available to control some pest groups. However, the products on the market differ significantly among the member states. The results show that in protection of soybean, lupin and camelina, no single active substance is registered for the same crop in all the analysed member states. In very numerous cases, active substance is registered in one out of eight analysed member states only.

CERTIFICATION SUBSIDIZING AND ORGANIC PRODUCTION DEVELOPMENT

2020 ◽  
Vol 10 (4) ◽  
pp. 580-593
Author(s):  
M A. Bryzgalina ◽  
Keyword(s):  
Organic Agriculture ◽  
Crop Production ◽  
Plant Protection ◽  
Crop Protection ◽  
Organic Production ◽  
Mineral Fertilizers ◽  
Selling Price ◽  
Saratov Region ◽  
Annual Volume ◽  
The Government

The demand for organic food is a prerequisite for the formation and development of organic agriculture, and the task of promoting it on domestic and foreign markets is among the priority ones. A serious problem in the sale of this category of goods to the domestic food markets of the country is the distrust of potential consumers. It is possible to solve this problem through certification and the use of a well-known brand. Certification of manufacturers of environmentally friendly products is a rather complicated and expensive procedure, therefore it is not available for most agricultural producers in the Saratov region. However, basing on the fact that today the task of developing the organic agriculture industry is set at the level of the government of the country, it is possible to solve this problem with the support of the state. The article examines the enterprises of the Saratov region of various legal forms, which do not use fertilizers and chemical means of crop protection in the production of crop production. Using the example of agricultural organizations and farms in the region, a mechanism for subsidizing certification of the most promising producers of organic wheat (winter and spring) is proposed, which includes the allocation of targeted subsidies for its implementation. As a criterion for the selection of applicants for this type of state support, as well as the distribution of budgetary resources between them, it is proposed to use the average indicator (potential) of the annual volume of organic production in the work. As a result, direct participants in certification subsidies were selected from the compiled sample of the studied enterprises that do not use chemical plant protection products and mineral fertilizers and the total annual volume of their marketable wheat was determined. The author determined the maximum cost of quality confirmation procedures for one enterprise, taking into account the increasing coefficients per one day of inspection, and also established the largest amount of budgetary resources that may be spent on the implementation of the proposed measure. In order to evaluate the effectiveness of the proposed certification subsidy mechanism, the author developed formulas for determining the selling price of products in the promising organic segment, taking into account its increase by the level of premium premiums.

scholarly journals Agronomic research in Martonvásár, aimed at promoting the efficiency of field crop production

2012 ◽  
pp. 89-93
Author(s):  
Tamás Árendás ◽  
Zoltán Berzsenyi ◽  
Péter Bónis
Keyword(s):  
Regression Analysis ◽  
Grain Yield ◽  
Durum Wheat ◽  
Crop Production ◽  
Plant Protection ◽  
Sowing Date ◽  
Forest Residues ◽  
Sowing Dates ◽  
Significant Difference ◽  
Long Term Experiment

The effect of crop production factors on the grain yield was analysed on the basis of three-factorial experiments laid out in a split-split-plot design. In the case of maize the studies were made as part of a long-term experiment set up in 1980 on chernozem soil with forest residues, well supplied with N and very well with PK. The effects of five N levels in the main plots and four sowing dates in the subplots were compared in terms of the performance of four medium early hybrids (FAO 200). In the technological adaptation experiments carried out with durum wheat, the N supplies were moderate (2010) or good (2011), while the P and K supplies were good or very good in both years. Six N top-dressing treatments were applied in the main plots and five plant protection treatments in the subplots to test the responses of three varieties. The results were evaluated using analysis of variance, while correlations between the variables were detected using regression analysis.The effect of the tested factors on the grain yield was significant in the three-factorial maize experiment despite the annual fluctuations, reflected in extremely variable environmental means. During the given period the effect of N fertilisation surpassed that of the sowing date and the genotype. Regression analysis on the N responses for various sowing dates showed that maize sown in the middle 10 days of April gave the highest yield, but the N rates required to achieve maximum values declined as sowing was delayed. In the very wet year, the yield of durum wheat was influenced to the greatest extent by the plant protection treatments, while N supplies and the choice of variety were of approximately the same importance.  In the favourable year the yielding ability was determined by topdressing and the importance of plant protection dropped to half,  while no  significant difference could be detected between the tested varieties. According to the results of regression analysis, the positive effect of plant protection could not be substituted by an increase in the N rate in either year. The achievement of higher yields was only possible by a joint intensification of plant protection and N fertilisation. Nevertheless, the use of more efficient chemicals led to a slightly, though not significantly, higher yield, with a lower N requirement. 

scholarly journals THE TECHNOLOGY OF CO-CULTURING OF POTATOES WITH HONEY PLANTS AND PROSPECTS OF ITS TECHNICAL SUPPORT

2019 ◽  
Vol 1 ◽  
pp. 339 ◽  
Author(s):  
Ivan Voiku
Keyword(s):  
Crop Production ◽  
Large Scale ◽  
Plant Protection ◽  
Economic Effect ◽  
Plant Protection Products ◽  
Innovative Technology ◽  
Mineral Fertilizers ◽  
Soil Protection ◽  
Real Economy ◽  
The European Union

The right way out of the crisis of the agro-based industries is the maximum use of the opportunities of scientific and technological progress and the orientation of the real economy to innovative development. One of the promising technologies of crop production is an innovative technology in potato growing, which provides for the co-culturing of potatoes with honey crops. Phacelia tanacetifolia (PhaceliatanacetifoliaBenth) is selected as honey crop, which is a valuable green manure. It allows to reduce the need for organic and mineral fertilizers, increases the ecological cleanness of products, favors the growth of potato yield, provides the additional honey yield. Phacelia significantly improves the soil structure, displacing a significant part of weeds, providing natural loosening of the soil, protection from drying out, from pests and parasites. The co-culturing of potatoes with phacelia protects the environment from the use of dangerous plant protection products. If the economic effect is defined as the difference between the profits of innovative and traditional technologies, then, according to preliminary calculations, the level of profitability of innovative technology in potato growing is 1.9 times higher, and the profit from 1 ha is 1.6 times higher compared with the traditional technology. Large-scale development of the proposed technology is hampered by the lack of potato planters and seed planters, which provide planting of potatoes and sowing seeds of honey crops simultaneously, in the Russian market and the markets of the European Union. An innovative technology - mounted seeder for potato planters was developed by the staff members of the Pskov State University. The article describes the main agro-technological requirements to this device. A general model and a kinematic scheme were developed to visualize the combination of the working elements of the potato planter and the mounted seeder. The developed model falls into the type of seed planters, which is designed to sowing in drills the seeds of honey crops (phacelia) in the furrow between potatoes at the time of the forthcoming closing of this furrow by soil, and can be used in agricultural engineering. Potential consumers of the proposed innovative technology in potato growing and the developed mounted seeder are farm enterprises and agricultural production cooperatives, which have small plots of land, use crop rotation systems in potato growing, and work for reducing costs and increasing the yield of potato cultivation.

EVALUATION OF THE EFFECTIVENESS OF THE DEVELOPMENT OF ORGANIC CROP PRODUCTION

2020 ◽  
Vol 10 (5) ◽  
pp. 749-763
Author(s):  
A.V. Shelenok ◽  
Keyword(s):  
Organic Farming ◽  
Organic Agriculture ◽  
Crop Production ◽  
Farming Systems ◽  
Developed Countries ◽  
Agricultural Crops ◽  
Advantages And Disadvantages ◽  
Slow Development ◽  
Organic Products ◽  
The World

The article examines intensive and organic technologies for growing agricultural crops, their impact on the environment, human health, indicates what are the advantages and disadvantages of organic agriculture. It is noted that with intensive technologies for growing agricultural crops, their yield increases, but if the doses of chemicals are not observed, soil fertility is disturbed, the environment is polluted. Devoid of the disadvantages inherent in intensive technologies, organic farming is significantly inferior in productivity to it, due to which it is not able to reach the same production volumes, to ensure a comparable level of domestic consumption, which is demonstrated by traditional farming. The article compares the effectiveness of traditional and organic agronomic farming systems. It is shown that in the case of comparability of yield indicators, traditional technologies at lower selling prices are more effective in terms of profit and profitability indicators. The reasons for the slow development of the organic segment in the agricultural production of Russia are revealed. In this regard, the topic of support for foreign and Russian agricultural producers, including organic products, as well as the underdevelopment of its domestic market is touched upon. It is noted that, in contrast to developed countries, Russia’s share in the world market for organic products is insignificant. Therefore, it is too early to talk about the prospects for the development of organic agriculture in Russia. In the world, organic farming is stimulated, it occupies its own niche, but in all respects it lags far behind the traditional method of growing agricultural products. Its share in the world food market ranges from 2.6 to 3%.

scholarly journals The possibility of using biopreparations based on nanoparticles of biogenic metals in crop production and plant protection

2020 ◽  
Vol 433 ◽  
pp. 012014
Author(s):  
D Churilov ◽  
S Polischuk ◽  
G Churilov ◽  
A Shemyakin ◽  
V Churilova ◽  
...  
Keyword(s):  
Crop Production ◽  
Plant Protection ◽  
Biogenic Metals

scholarly journals Development of Russian selection and seed production under the Federal scientific and technical program for agricultural development

2020 ◽  
Vol 164 ◽  
pp. 06014
Author(s):  
Lyudmila Nemenushchaya ◽  
Lyudmila Konovalenko ◽  
Tatiana Shchegolikhina
Keyword(s):  
Higher Education ◽  
Seed Production ◽  
Russian Federation ◽  
Crop Production ◽  
Agricultural Development ◽  
Higher Education Institutions ◽  
Agricultural Crops ◽  
Technical Program ◽  
The Russian Federation ◽  
Potential Customers

The paper analyzes the preparation and status of draft of subprograms of the Federal scientific and technical program for agricultural development for 2017-2025 (FSTP) on selection and seed production in crop production. The measures taken by the subjects of the Russian Federation for the purpose of implementing the FSTP subprograms, as well as a well-founded method for selecting potential customers for complex scientific and technical projects (CSTP), are presented. Recommendations have been prepared and suggestions have been made for selecting potential customers of the CSTP of FSTP. The analysis of the results of higher education institutions subordinated to the Ministry of Agriculture of Russia as potential participants of the CSTP in the field of selection and seed production of agricultural crops is given.

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