Temat: soil dehydrogenase - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Enzymatic activity of soils exposed to transportation pollutants, located along road no. 957
Autorzy:: Filipek-Mazur, B.
Tabak, M.
Gorczyca, O.
Powiązania:: https://bibliotekanauki.pl/articles/125389.pdf
Data publikacji:: 2014
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: soil
transportation
dehydrogenase
catalase
arylsulfatase
Opis:: he research was conducted in order to determine the catalase, dehydrogenase, and arylsulfatase activities of soils exposed to transportation pollutants. The research material consisted of soil samples collected from points located along road no. 957 at a section passing through Zawoja (the Malopolska Region), from places at a distance of 5 and 200 m from the road edge. The samples were collected from a 0–10 cm layer, from areas covered with grasses. No considerable diversification in the enzymatic activity of the soils, depending on their distance from the road edge, was found. The mean activity of catalase and dehydrogenases in the soils located 5 m from the road edge was, respectively, 4 and 7% greater than the activity of the soils located 200 m from the road edge. The mean arylsulfatase activity in the soils located 5 m from the road edge was 3% lower than in the soils located at a distance of 200 m. A positive correlation was found between the catalase and arylsulfatase activities, and the dehy-drogenase activity in the soils.
Źródło:: Journal of Ecological Engineering; 2014, 15, 4; 145-149
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Effect of Fertilization with Sludge-Ash Granulates on the Activity of Selected Soil Enzymes
Autorzy:: Możdżer, Ewa
Powiązania:: https://bibliotekanauki.pl/articles/2086391.pdf
Data publikacji:: 2022
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: soil
granulates sludge-ash
enzymatic activity
phosphatase
urease
dehydrogenase
Opis:: In the two-factorial vegetation experiment, the activity of dehydrogenase, phosphatase and urease was examined under the influence of the applied sludge-ash granulates produced from waste (sewage sludge, ash, sawdust). The research scheme included a control object, four types of fertilizer granulates, three doses and four dates of enzymatic activity indicators determination. The experiment was established in four replications. The size of granulate doses was determined on the basis of their nitrogen content. Dose I, II and III were: 0.24 g, 0.48 g and 0.72 g N•pot, respectively. The test plant was rapeseed of Larissa cultivar. The sludge-ash granulates were applied to the pots filled with the soil, in accordance with the experimental scheme. The soil samples for chemical analyses were taken from the top layer (0–20 cm) of spring rape cultivation four times: May 16, June 2, July 2 – dates from I to III, respectively, and August 2 after harvest – date IV. In average soil samples, the enzymatic activity of dehydrogenase, urease and phosphatase was determined. The research revealed that the highest increase in enzymatic dehydrogenase activity was obtained after applying granulate B, while phosphatases and urease after the application of granulate D. The smallest increase in dehydrogenase and phosphatase activity was obtained after the application of granulate C. The dose size of the applied granulates and date of uptake had a significant impact on the growth activity of the enzymes studied. The activity of dehydrogenase, phosphatases and urease, depending on the type of applied granulate, dose and date of soil sampling, was on average 7.28%, 30.5% and 7.94% higher, respectively, compared to the control. The correlation coefficient between dehydrogenase activity and urease and phosphatase was positively associated and amounted to r = 0.569 and r = 0.553, respectively. The applied fertilization with sludge-ash granulates A, B, C and D stimulated the increase in dehydrogenase, urease, and phosphatase activities in all fertilizer objects.
Źródło:: Journal of Ecological Engineering; 2022, 23, 4; 137--144
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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