Reduction in Energy Consumption by Mitigation of Cultivation Resistance Due to the New Fallow Harrow Concept

Volodymyr Bulgakov, Volodymyr Nadykto, Olga Orynycz () and Simone Pascuzzi ()
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Volodymyr Bulgakov: Department of Mechanics, Faculty of Construction and Design, National University of Life and Environmental Sciences of Ukraine, 15, Heroyiv Oborony Str., UA 03041 Kyiv, Ukraine
Volodymyr Nadykto: Department of Machine-Using in Agriculture, Dmytro Motornyi Tavria State Agrotechnological University, 18 B , Khmelnytsky Ave., UA 72310 Melitopol, Zaporozhye Region, Ukraine
Olga Orynycz: Department of Production Management, Faculty of Engineering Management, Bialystok University of Technology, Wiejska Str. 45A, 15-351 Bialystok, Poland
Simone Pascuzzi: Department of Soil, Plant and Food Science, University of Bari Aldo Moro, Via Amendola 165/A, 70126 Bari, Italy

Energies, 2022, vol. 15, issue 22, 1-12

Abstract: One of the best precursors for winter wheat is fallow. Its application aims to solve two important tasks: preserving and accumulating soil moisture and weed control. The authors of this paper have designed a new modular harrow for fallow tillage, which can work stably at a depth of 5–6 cm tillage while maintaining and even accumulating soil moisture. This article describes a method designed by the authors for a reasonable selection of the design parameters concerning the working devices mounted inside the new harrow, such as their length and working width, as well as the angles of vertical inclination ( ε ) and horizontal deviation ( γ ) of blades, depending on the accepted depth of the upper soil layer loosening. To reduce the soil tillage resistance of the harrowing unit resulting in a reduction in the tractor fuel consumption, the value of the inclination angle ( ε ) of its vertical blade should be chosen so that the corresponding change in the value of the deflection angle of the horizontal blade ( γ ) complies with the constrain of the product of tangents of these angles. Moreover, preference should be given to choosing the value of the angle ε with the subsequent determination of the angle γ value. It is demonstrated that proper use of the new type of harrow assures fuel savings and decreases carbon dioxide emissions even if fossil fuel alone is used. Additional reduction of CO 2 emission can be achieved when biofuels are used as a replacement for fossil ones.

Keywords: soil; amplitude; fallow; thermal diffusivity; vibration frequency (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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