Efficiency of Combed Straw Harvesting Technology Involving Straw Decomposition in the Soil

Serhii Halko, Oleksandr Vershkov, Jakub Horák, Oleksandr Lezhenkin, Larysa Boltianska, Anatolii Kucher (), Olena Suprun, Oleksandr Miroshnyk and Vitalii Nitsenko ()
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Serhii Halko: Department of Electrical Engineering and Electromechanics Named after Prof. V.V. Ovharov, Dmytro Motornyi Tavria State Agrotechnological University, 18 Bohdan Khmelnitsky Str., 72312 Melitopol, Ukraine
Oleksandr Vershkov: Department of Technical Mechanics and Computer Design Named after Prof. V.M. Naidysh, Dmytro Motornyi Tavria State Agrotechnological University, 18 Bohdan Khmelnitsky Str., 72312 Melitopol, Ukraine
Jakub Horák: School of Expertness and Valuation, Institute of Technology and Business in Ceske Budejovice, 517/10 Okružní Str., 37001 Ceske Budejovice, Czech Republic
Oleksandr Lezhenkin: Department of Technical Mechanics and Computer Design Named after Prof. V.M. Naidysh, Dmytro Motornyi Tavria State Agrotechnological University, 18 Bohdan Khmelnitsky Str., 72312 Melitopol, Ukraine
Larysa Boltianska: Department of Economics and Business, Dmytro Motornyi Tavria State Agrotechnological University, 18 Bohdan Khmelnitsky Str., 72312 Melitopol, Ukraine
Olena Suprun: Department of Foreign Languages, Dmytro Motornyi Tavria State Agrotechnological University, 18 Bohdan Khmelnitsky Str., 72312 Melitopol, Ukraine
Oleksandr Miroshnyk: Department of Electricity Supply and Energy Management, State Biotechnological University, 19 Rizdvjana Str., 61052 Kharkiv, Ukraine
Vitalii Nitsenko: Department of Entrepreneurship and Marketing, Institute of Economics and Management, Ivano-Frankivsk National Technical Oil and Gas University, 76019 Ivano-Frankivsk, Ukraine

Agriculture, 2023, vol. 13, issue 3, 1-15

Abstract: This article deals with the problem of harvesting combed straw by mixing it with the soil and the process of combed straw decomposition in particular. The idea and purpose of the research are also analysed in terms of circular economy, which represents a closed cycle. Combed straw is seen as a by-product which is reused as fertilizer to increase soil fertility, thus reducing the negative impact on the environment and increasing the efficiency of organic matter use. To analyse the qualitative aspect of the process, the introduction of an indicator is proposed—the straw decomposition coefficient. Experimental studies of straw decomposition in the soil were carried out using the mathematical theory of experimental design, where the response function is represented by the functional dependence of the straw decomposition coefficient on the length of its cutting and nitrogen and phosphorus application doses. For experimental studies, Box–Behnken design was used, which made it possible to calculate the regression coefficients by known formulas. Verification of the obtained coefficients according to Student’s t -test showed that all of them were significant. According to Fisher’s test, it was established that the model is adequate and can be used for further research. As determined by the experimental study, shredded straw incorporation improves soil properties and increases its biological activity. Ultimately, this improves plant nutrition and increases crop yields. The experiment results showed that reduced amounts of nitrogen and phosphorus fertilizers can be applied, thus leading to a reduction in the direct production costs of growing cereals in the following year. The integration of several technological processes, such as straw cutting, shredding, and incorporating it into the soil with simultaneous application of nitrogen and phosphorus fertilizers, increases the economic efficiency of grain production and a shortens the payback period for investment.

Keywords: combed straw; harvesting technology; regression equation; decomposition coefficient; adequacy; response function; circular economy; profitability; economic efficiency (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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