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Acknowledgment to Reviewers of Inventions in 2020
Open AccessArticle

Discrete Seed Feeder Designing for Mobile Apparatus: Early Results for Pinus sylvestris L. Species

1
Department of Technological Processes and Machines of Forest Complex, Saint Petersburg State Forest Technical University Named after S.M. Kirov, 5, Institutskiy per., 194021 St. Petersburg, Russia
2
Mechanical Department, Voronezh State University of Forestry and Technologies Named after G.F. Morozov, 8, Timiryazeva, 394087 Voronezh, Russia
*
Author to whom correspondence should be addressed.
Academic Editor: Konstantinos G. Arvanitis
Inventions 2021, 6(1), 14; https://doi.org/10.3390/inventions6010014
Received: 30 December 2020 / Revised: 28 January 2021 / Accepted: 29 January 2021 / Published: 31 January 2021
Discrete feeding of forest seeds is an urgent task for accurate detection of seeds during grading and reducing the seeding rate. The study used Pinus sylvestris L. seeds from cones collected in a natural stand of the Lisinsky educational-and-experimental forestry farm, Leningrad region, Russia, in 2017. Well-known methods for determining the properties of bulk materials were used; the results were processed by mathematical statistics using the MS Excel program. The physical and mechanical properties of uncalibrated seeds as a bulk material were determined. The angle of repose of Pinus sylvestris L. seeds, determined using a hollow cylinder by calculation, is 24.92°. The angle of repose of Pinus sylvestris L. seeds, determined using a hollow cylinder and a goniometer, is 32.7°. The significant discrepancy (~8°) in the values obtained by these methods is explained by the seeds shape. The flowability of Pinus sylvestris L. seeds corresponds to an excellent (free) category. The study will enable correct seed treatment protocols for sustainable forest management. However, some questions remained unresolved: how to orient a single seed in the right direction? How does seed-size calibration affect the angle of repose? View Full-Text
Keywords: discrete seed feeding; small-size forest seeds; Pinus sylvestris L.; physical-and-mechanical properties; seeds angle of repose; mobile UAV-based seeder; mobile optoelectronic grader; forest landscape restoration discrete seed feeding; small-size forest seeds; Pinus sylvestris L.; physical-and-mechanical properties; seeds angle of repose; mobile UAV-based seeder; mobile optoelectronic grader; forest landscape restoration
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MDPI and ACS Style

Bacherikov, I.V.; Novikov, A.I.; Petrishchev, E.P. Discrete Seed Feeder Designing for Mobile Apparatus: Early Results for Pinus sylvestris L. Species. Inventions 2021, 6, 14. https://doi.org/10.3390/inventions6010014

AMA Style

Bacherikov IV, Novikov AI, Petrishchev EP. Discrete Seed Feeder Designing for Mobile Apparatus: Early Results for Pinus sylvestris L. Species. Inventions. 2021; 6(1):14. https://doi.org/10.3390/inventions6010014

Chicago/Turabian Style

Bacherikov, Ivan V.; Novikov, Arthur I.; Petrishchev, Evgeniy P. 2021. "Discrete Seed Feeder Designing for Mobile Apparatus: Early Results for Pinus sylvestris L. Species" Inventions 6, no. 1: 14. https://doi.org/10.3390/inventions6010014

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