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Wyświetlanie 1-15 z 33
Tytuł:
Effect of methane on soil dehydrogenase activity
Autorzy:
Brzezinska, M.
Wlodarczyk, T.
Glinski, J.
Powiązania:
https://bibliotekanauki.pl/articles/25022.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
loess soil
soil
methane oxidation
soil respiration
dehydrogenase activity
Źródło:
International Agrophysics; 2004, 18, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Soil microbial activity as influenced by compaction and straw mulching
Autorzy:
Siczek, A.
Frac, M.
Powiązania:
https://bibliotekanauki.pl/articles/26437.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
soil
microbial activity
soil compaction
straw mulching
enzyme activity
bacteria number
microbial parameter
Opis:
Field study was performed on Haplic Luvisol soil to determine the effects of soil compaction and straw mulching on microbial parameters of soil under soybean. Treatments with different compaction were established on unmulched and mulched with straw soil. The effect of soil compaction and straw mulching on the total bacteria number and activities of dehydrogenases, protease, alkaline and acid phosphatases was studied. The results of study indicated the decrease of enzymes activities in strongly compacted soil and their increase in medium compacted soil as compared to no-compacted treatment. Mulch application caused stimulation of the bacteria total number and enzymatic activity in the soil under all compaction levels. Compaction and mulch effects were significant for all analyzed microbial parameters (P<0.001).
Źródło:
International Agrophysics; 2012, 26, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aeration properties and enzyme activity on the example of Arenic Chernozem [Tisice]
Autorzy:
Wlodarczyk, T.
Glinski, J.
Stepniewski, W.
Stepniewska, Z.
Brzezinska, M.
Kuraz, V.
Powiązania:
https://bibliotekanauki.pl/articles/24679.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
aeration property
soil
catalase
enzyme activity
oxidoreductase
black earth
dehydrogenase activity
soil enzyme
Źródło:
International Agrophysics; 2001, 15, 2
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of fonofos on soil dehydrogenase activity
Autorzy:
Stepniewska, Z.
Wolinska, A.
Lipinska, R.
Powiązania:
https://bibliotekanauki.pl/articles/25220.pdf
Data publikacji:
2007
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
fonofos pesticide
soil
soil sample
pesticide
dehydrogenase activity
Źródło:
International Agrophysics; 2007, 21, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of soil quality after biochar application based on enzymatic activity and microbial composition
Autorzy:
Mierzwa-Hersztek, M.
Gondek, K.
Klimkowicz-Pawlas, A.
Chmiel, M.J.
Dziedzic, K.
Taras, H.
Powiązania:
https://bibliotekanauki.pl/articles/2082557.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
biochar
soil
enzymatic activity
microorganisms
soil quality indexes
Opis:
Soil microorganisms play a key role in many biochemical processes essential for the environment and for the ecological and production functions of soils, hence they are very important quality indicators. The study aimed at evaluating the effect of 1 and 2% additions of wheat and miscanthus straw biochars on soil enzymatic activity (dehydrogenases, urease, phosphatases) and the number of microorganisms (bacteria, fungi, actinobacteria). Pot experiments were carried out on soil with a loamy sand texture. The geometric mean of enzyme activities, biological index of fertility, and the integrated total enzyme activity index were used to explore the relationships between soil enzyme activities and the microbiological and chemical properties of soil. The addition of 1% miscanthus straw biochar had the most beneficial effect on the number of bacteria and fungi (increase by 380 and 26%, respectively), and 1% wheat straw biochar on the number of actinomycetes (increase by 273%). The correlation analysis between the number of actinomycetes and the chemical parameters of the soil showed the significant effect of the content of Ntotal (r = 0.76) and Ctotal (r = 0.85). The values of biological index of fertility, total enzyme activity index and geometric mean of enzyme activities indexes showed that the best quality of soil was produced by a 2% addition of wheat straw biochar.
Źródło:
International Agrophysics; 2019, 33, 3; 331-336
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Easily degradable carbon – an indicator of microbial hotspots and soil degradation
Autorzy:
Wolińska, Agnieszka
Banach, Artur
Szafranek-Nakonieczna, Anna
Stępniewska, Zofia
Błaszczyk, Mieczysław
Powiązania:
https://bibliotekanauki.pl/articles/972589.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
agriculture
carbon
degradation
microbial
activity
soil
Opis:
The effect of arable soil was quantified against non-cultivated soil on easily degradable carbon and other selected microbiological factors, i.e. soil microbial biomass, respiration activity, and dehydrogenase activity. The intent was to ascertain whether easily degradable carbo can be useful as a sensitive indicator of both soil biological degradation and microbial hotspots indication. As a result, it was found that soil respiration activity was significantly higher (p <0.0001) in all controls, ranging between 30-60 vs. 11.5-23.7 μmol CO2 kg d.m.-1 h-1 for the arable soils. Dehydrogenase activity was significantly lower in the arable soil (down to 35-40% of the control values, p <0.001) varying depending on the soil type. The microbial biomass was also significantly higher at the non-cultivated soil (512-2807 vs. 416-1429 μg g-1 d.m., p <0.001), while easily degradable carbon ranged between 620-1209 mg kg-1 non-cultivated soil and 497-877 mg kg-1 arable soil (p <0.0001). It was demonstrated that agricultural practices affected soil properties by significantly reducing the levels of the studied parameters in relation to the control soils. The significant correlations of easily degradable carbon-respiration activity (ρ = 0.77*), easily degradable carbon-dehydrogenase activity (ρ = 0.42*), and easily degradable carbon-microbial biomass (ρ = 0.53*) reveal that easily degradable carbon is a novel, suitable factor indicative of soil biological degradation. It, therefore, could be used for evaluating the degree of soil degradation and for choosing a proper management procedure.
Źródło:
International Agrophysics; 2018, 32, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aeration status of some Slovakian soils
Autorzy:
Stepniewska, Z.
Brzezinska, M.
Glinski, J.
Stepniewski, W.
Wlodarczyk, T.
Curlik, J.
Houskova, B.
Powiązania:
https://bibliotekanauki.pl/articles/25255.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
air permeability
catalase activity
water tension
aeration
soil
Slovak Republic
dehydrogenase activity
soil aeration status
agrophysics
Źródło:
International Agrophysics; 2000, 14, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary study of sludge effect on soil microbial activity of a podzolic soil under willow culture
Autorzy:
Furczak, J.
Joniec, J.
Powiązania:
https://bibliotekanauki.pl/articles/25682.pdf
Data publikacji:
2007
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
willow culture
fertilization
microbial activity
soil
microorganism
sewage sludge
podzolic soil
Źródło:
International Agrophysics; 2007, 21, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of temperature on the biological properties of soil
Autorzy:
Borowik, A.
Wyszkowska, J.
Powiązania:
https://bibliotekanauki.pl/articles/26575.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
soil temperature
soil property
biological property
microorganism
biodiversity
ecophysiology
enzyme activity
Źródło:
International Agrophysics; 2016, 30, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of wheat and Miscanthus straw biochars on soil enzymatic activity, ecotoxicity, and plant yield
Autorzy:
Mierzwa-Hersztek, Monika
Gondek, Krzysztof
Klimkowicz-Pawlas, Agnieszka
Baran, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/973069.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
biochar
soil
enzymatic activity
bioassays
crop yield
Opis:
The variety of technological conditions and raw materials from which biochar is produced is the reason why its soil application may have different effects on soil properties and plant growth. The aim of this study was to evaluate the effect of the addition of wheat straw and Miscanthus giganteus straw (5 t DM ha-1) and biochar obtained from this materials in doses of 2.25 and 5 t DM ha-1 on soil enzymatic activity, soil ecotoxicity, and plant yield (perennial grass mixture with red clover). The research was carried out under field conditions on soil with the granulometric composition of loamy sand. No significant effect of biochar amendment on soil enzymatic activity was observed. The biochar-amended soil was toxic to Vibrio fischeri and exhibited low toxicity to Heterocypris incongruens. Application of wheat straw biochar and M. giganteus straw biochar in a dose of 5 t DM ha-1 contributed to an increase in plant biomass production by 2 and 14%, respectively, compared to the soil with mineral fertilisation. Biochars had a more adverse effect on soil enzymatic activity and soil ecotoxicity to H. incongruens and V. fischeri than non-converted wheat straw and M. giganteus straw, but significantly increased the grass crop yield.
Źródło:
International Agrophysics; 2017, 31, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Soil dehydrogenase activity in the presence of chromium [III] and [VI]
Autorzy:
Stepniewska, Z.
Wolinska, A.
Powiązania:
https://bibliotekanauki.pl/articles/25134.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
chromium
metal
soil material
microorganism
dehydrogenase activity
Źródło:
International Agrophysics; 2005, 19, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dehydrogenase activity of forest soils depends on the assay used
Autorzy:
Januszek, K.
Blonska, E.
Dluga, J.
Socha, J.
Powiązania:
https://bibliotekanauki.pl/articles/25595.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
dehydrogenase activity
forest soil
enzyme
soil enzyme
soil organic matter
triphenyltetrazolium chloride
chemical reduction
Opis:
Dehydrogenases are exclusively intracellular enzymes, which play an important role in the initial stages of oxidation of soil organic matter. One of the most frequently used methods to estimate dehydrogenase activity in soil is based on the use of triphenyltetrazolium chloride as an artificial electron acceptor. The purpose of this study was to compare the activity of dehydrogenases of forest soils with varied physicochemical properties using different triphenyltetrazolium chloride assays. The determination was carried out using the original procedure by Casida et al., a modification of the procedure which involves the use of Ca(OH)2 instead of CaCO3, the Thalmann method, and the assay by Casida et al. without addition of buffer or any salt. Soil dehydrogenase activity depended on the assay used. Dehydrogenase determined by the Casida et al. method without addition of buffer or any salt correlated with the pH values of soils. The autoclaved strongly acidic samples of control soils showed high concentrations of triphenylformazan, probably due to chemical reduction of triphenyltetrazolium chloride. There is, therefore, a need for a sterilization method other than autoclaving, ie a process that results in significant changes in soil properties, thus helping to increase the chemical reduction of triphenyltetrazolium chloride.
Źródło:
International Agrophysics; 2015, 29, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
How enzymes are adsorbed on soil solid phase and factors limiting its activity: a review
Autorzy:
Datta, Rahul
Anand, Swati
Moulick, Amitava
Baraniya, Divyashri
Imran Pathan, Shamina
Rejsek, Klement
Vranova, Valerie
Sharma, Meenakshi
Sharma, Daisy
Formanek, Pavel
Kelkar, Aditi
Powiązania:
https://bibliotekanauki.pl/articles/972694.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
adsorption of protein
adsorbed enzyme
enzymatic activity
soil solid phase
enzymes in soil
Opis:
A majority of biochemical reactions are often catalysed by different types of enzymes. Adsorption of the enzyme is an imperative phenomenon, which protects it from physical or chemical degradation resulting in enzyme reserve in soil. This article summarizes some of the key results from previous studies and provides information about how enzymes are adsorbed on the surface of the soil solid phase and how different factors affect enzymatic activity in soil. Many studies have been done separately on the soil enzymatic activity and adsorption of enzymes on solid surfaces. However, only a few studies discuss enzyme adsorption on soil perspective; hence, we attempted to facilitate the process of enzyme adsorption specifically on soil surfaces. This review is remarkably unmatched, as we have thoroughly reviewed the relevant publications related to protein adsorption and enzymatic activity. Also, the article focuses on two important aspects, adsorption of enzymes and factors limiting the activity of adsorbed enzyme, together in one paper. The first part of this review comprehensively lays emphasis on different interactions between enzymes and the soil solid phase and the kinetics of enzyme adsorption. In the second part, we encircle various factors affecting the enzymatic activity of the adsorbed enzyme in soil.
Źródło:
International Agrophysics; 2017, 31, 2
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
N2O emission and sorption in relation to soil dehydrogenase activity and redox potential
Autorzy:
Wlodarczyk, T.
Stepniewski, W.
Brzezinska, M.
Kotowska, U.
Powiązania:
https://bibliotekanauki.pl/articles/26185.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
emission
sorption
soil
nitrous oxide
redox potential
brown sandy soil
dehydrogenase activity
Źródło:
International Agrophysics; 2002, 16, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dehydrogenase activity of some Hungarian soils as related to their water and aeration status
Autorzy:
Stepniewski, W.
Stepniewska, Z.
Glinski, J.
Brzezinska, M.
Wlodarczyk, T.
Przywara, G.
Varallyay, G.
Rajkai, K.
Powiązania:
https://bibliotekanauki.pl/articles/26443.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
iron
reduced iron
soil aeration
soil
water
Hungary
dehydrogenase activity
aeration status
Źródło:
International Agrophysics; 2000, 14, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 33

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