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Changes in humidity during outdoor storage of seedlings in styrofoam containers on racks covered with different materials

100%
Mordas D., Wojtkowiak R., Wisniewski M., Ratajczak W.
Acta Scientiarum Polonorum. Silvarum Colendarum Ratio et Industria Lignaria
|
2013
|
tom 12
|
nr 2
The study was to provide information on changes in humidity during short-term storage of seedlings on shelves in containers covered with different materials. Collected results made it possible to specify how the type of material of loading space coverings influences changes in the interior humidity. This made it possible to determine the effect of this factor on quality of seedling material under the specific conditions produced under the covering. Analyses in the loading space were conducted using temperature and humidity sensors by Vaisala, recording humidity changes for conditions found under the covering. Sensors were placed under different levels in the loading space. Some of them were equipped with fans enforcing air circulation, facilitating measurements of humidity over a larger space. Using a KNE Data Logger measurements were registered and the results were recorded on a PCMCIA memory card. Measurements were taken over a 24-hour period, facilitating analyses of the effect of a direct action of external conditions during the day and night on changes in humidity in containers covered with coverings made from different materials. It results from the conducted analyses that humidity changes occurred in each of the measurement points. These changes were more marked during intensive operation of sunlight, when a distinct drop in humidity was observed under loading space coverings. It was stated that the material, from which rack coverings were made, has a significant effect on the course of changes in interior humidity, which could have a significant effect on the quality of stored seedlings.
2
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Analiza wybranych parametrów pracy rozdrabniarki Meri Crusher MJS-241 STG do prac leśnych

100%
Jablonski K., Stempski W., Mordas D.
Technika Rolnicza Ogrodnicza Leśna
|
2018
|
nr 1
3

Optymalizacja położenia tymczasowych składnic drewna na ograniczonym obszarze leśnym

100%
Jablonski K., Stempski W., Mordas D., Ziolo P.
Acta Scientiarum Polonorum. Silvarum Colendarum Ratio et Industria Lignaria
|
2019
|
tom 18
|
nr 1
4

Kształtowanie się wybranych cech biometrycznych drzew przy szlakach zrywkowych

100%
Stempski W., Jablonski K., Ziolo P., Mordas D.
Acta Scientiarum Polonorum. Silvarum Colendarum Ratio et Industria Lignaria
|
2019
|
tom 18
|
nr 1
5

Changes in temperature during seedling storage in styrofoam multipots kept on shelves in outdoor containers under different cover materials

100%
Mordas D., Wojtkowiak R., Wisniewski M., Zembrowski K.
Acta Scientiarum Polonorum. Silvarum Colendarum Ratio et Industria Lignaria
|
2013
|
tom 12
|
nr 2
The aim of this study was to determine changes in temperature found during short-term seedling storage on shelves kept on racks under different cover materials. Analyses assessed the effect of different materials for covering of loading space on interior temperature changes. Collected results were to supply information on the effect of this factor on the quality of seedling material in view of specific conditions produced under the cover. Analyses were conducted under conditions found in the loading space using temperature and humidity sensors by Vaisala. The distribution of sensors at different levels in the loading space and the fact that some of them were coupled with fans enforcing air circulation made temperature measurements possible over a larger space. Results were recorded using a KNE Data Logger, recording the results on the PCMCIA memory card. The device recorded data collected from the measurements taken over any selected period. This facilitated analysis of the effect of a direct impact of external conditions on temperature changes in containers under covering made of different materials. It results from the conducted investigations that air temperature in each measurement site fluctuated. During intensive solar radiation a marked increase in temperature was observed under container covering. It was found that the covering material for the racks has a very big effect on the course of changes in temperature inside the racks.
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