Analysis of variations in and correlations between selected physical parameters of common beech (Fagus silvatica L.) nuts

• Autorzy: Kaliniewicz Z. , Markowski P. , Anders A. , Tylek P. , Krzysiak Z. , Wasielewski W.
• Języki publikacji: EN

Abstrakty

EN

The basic dimensions and the mass of common beech nuts and seeds from five nut batches, harvested from tree stands in northern Poland, were determined. Environmental conditions had a greater influence on seed plumpness than the age of tree stands. The results of measurements were analyzed statistically by analysis of variance, correlation analysis and linear regression analysis. Despite differences in their plumpness, nuts were characterized by nearly identical cross-sections which resembled an equilateral triangle. The thickness of nuts and seeds was highly correlated with their mass, and this information can facilitate seed husking and separation into mass categories. Before and after husking, seeds should be separated with the use of a mesh screen with longitudinal openings. Medium-sized (most numerous) seeds were separated into the following plumpness categories using a screen separator with ≠6 mm and ≠7 mm openings: 84% of moderately plump seeds, 3% of seeds with reduced plumpness, and 13% of plump seeds.

Słowa kluczowe

EN

geometric parameters; mass; aspect ratio; separation

• Wydawca: Wydawnictwo Uniwersytetu Warmińsko-Mazurskiego w Olsztynie
• Czasopismo: Technical Sciences / University of Warmia and Mazury in Olsztyn
• Rocznik: 2018
• Tom: nr 21(1)
• Strony: 49--63
• Opis fizyczny: Bibliogr. 30 poz., mapy, rys., tab., wykr., zdj.

Twórcy

autor

Kaliniewicz Z.

• Katedra Maszyn Roboczych i Metodologii Badań, Uniwersytet Warmińsko-Mazurski w Olsztynie, ul. Oczapowskiego 11/B112, 10-719 Olsztyn

autor

Markowski P.

• Department of Heavy Duty Machines and Research Methodology University of Warmia and Mazury in Olsztyn

autor

Anders A.

• Department of Heavy Duty Machines and Research Methodology University of Warmia and Mazury in Olsztyn

autor

Tylek P.

• Department of Forest Work Mechanization University of Agriculture in Kraków

autor

Krzysiak Z.

• Department of Mechanical Engineering and Automatic Control Engineering University of Life Sciences in Lublin

autor

Wasielewski W.

• Department of Heavy Duty Machines and Research Methodology University of Warmia and Mazury in Olsztyn

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