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The Use of Air Induction Nozzles for Application of Fertilizing Preparations Containing Beneficial Microorganisms

Author

Listed:
  • Katarzyna Szwedziak

    (Department of Biosystems Engineering, Faculty of Production Engineering and Logistic, Opole University of Technology, Prószkowska 76, 45-758 Opole, Poland)

  • Gniewko Niedbała

    (Institute of Biosystems Engineering, Faculty of Agronomy and Bioengineering, Poznań University of Life Sciences, Wojska Polskiego 50, 60-627 Poznań, Poland)

  • Żaneta Grzywacz

    (Department of Biosystems Engineering, Faculty of Production Engineering and Logistic, Opole University of Technology, Prószkowska 76, 45-758 Opole, Poland)

  • Przemysław Winiarski

    (Przedsiębiorstwo Zaopatrzenia Rolnictwa Winiarski, Niemysłowice 56A, 48-200 Prudnik, Poland)

  • Petr Doležal

    (Department of Animal Nutrition and Forage Production, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1/1665, 613 00 Brno, Czech Republic)

Abstract

The work presents the structure and characteristics of field sprayer nozzles, as well as their impact on the survival of beneficial organisms in the selected fertilizing preparations. EŻK and EŻKT nozzles, (EŻK and EŻKT are trade names of single and twin jet air induction nozzles, respectively), that are available on the market have shown low efficiency in the discussed characteristics. Survival of microorganisms under initial conditions at 13.6 × 10 6 cfu/mL and pressure of 0 MPa, under critical conditions dropped to 1.7 × 10 6 cfu/mL for EŻK02 and 1.2 × 10 6 cfu/mL for EŻKT02, in both variants at a pressure of 0.5 MPa. When increasing the flow rate of the components, i.e., the size of the outlet orifices, it was observed that the survival of microorganisms increased by about 11.3% compared to the previously tested component. This resulted from the negative impact of the following: the pressure generated by the application device, number of outlet orifices, and size of an outlet orifice. The results of survival of microorganisms are given in the colony-forming unit (CFU). In addition to providing guidelines useful in the creation of a prototype sprayer intended for use in the application of microbiological preparations, the presented characteristics are a source of information for the end user as regards the proper conditions for the application of these preparations.

Suggested Citation

  • Katarzyna Szwedziak & Gniewko Niedbała & Żaneta Grzywacz & Przemysław Winiarski & Petr Doležal, 2020. "The Use of Air Induction Nozzles for Application of Fertilizing Preparations Containing Beneficial Microorganisms," Agriculture, MDPI, vol. 10(7), pages 1-12, July.
    • Handle: RePEc:gam:jagris:v:10:y:2020:i:7:p:303-:d:386662
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    Citations

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    Cited by:

    1. Beata Cieniawska & Katarzyna Pentos, 2021. "Average Degree of Coverage and Coverage Unevenness Coefficient as Parameters for Spraying Quality Assessment," Agriculture, MDPI, vol. 11(2), pages 1-14, February.

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