Ecological Chemistry and Engineering. A

Items from 1 to 20 out of 1,139 results

article

Entomopamogenic fungi and nematodes in oligotropic low sedge fen soils

D. Ropek, P. Nicia

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 133-138

The research covered soils of oligotrophic low sedge fens developed on carbonateless substratum red with ultra sweet waters with mineralization below 100 mg dm-3. The degree of organic matter decomposition, pH, mineral content and fen water oxygenation were assessed in these soils, moreover the occurrence of entomopathogenic fungi and nematodes was studied. Entomopathogenic nematodes occurred in soils...

article

Free proline content in leaves of Salix viminalis as an indicator of their resistance to substrate salinity

A. Stolarska, J. Wróbel, K. Przybulewska

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 139-146

In the own research, an attempt was undertaken to evaluate resistance of three basket willow clones - Bjor, Jorr and Tora - to the stress induced by substrate salinity and to determine the content of free amino acid, ie of proline, in leaves as a sensitive bioindicator in differentiation of stress agent intensity as well as to measure selected physiological indices. Hydroponic experiment was carried...

article

Effect of fertilization on healthiness of mountain meadow grasses

D. Ropek, P. Kacorzyk

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 125-131

The work aimed at investigating the effect of mineral and natural fertilization on the degree of mountain meadow plant infection by fungal pathogens. Observations of symptoms of pathogenic fungi infection occurrence were conducted immediately before the first and second cuts in 2003 and 2004. The presented article evaluated the degree of grass and the papilionaceous infection by pathogens attacking...

article

Accumulation of selected metals in roach (Rutilus rutilus L.) from West Pomeranian lakes

M. Rajkowska, Z. Wechterowicz, K. Lidwin-Kaźmierkiewicz Pokorska, M. Protasowicki

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 119-123

The aim of this study was to determine concentrations of Fe, Mn, Zn, Cu, Pb and Cd in the kidney, liver, gill and muscle of roach (Rutilus rutilus L.) from tour lakes of West Pomerania in Poland. Serious individual variability of metal accumulation in roach organs was observed within groups collected from each lake. For that reason, metal concentrations in organs of roach from different lakes in most...

article

Effect of mountain pasture undersowing on the content and yield of selected organic components

A. Radkowski, I. Radkowska

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 113-117

The experiment was located on the permanent pasture in the mountain region, in Czarny Potok, near Krynica (640 m above the sea level). In the investigation fields with natural sward and fields undersowed with white clover seeds were taken into account. The yield of pasture sward was affected by the fertilization level as well as undersowing. Among all utilized methods, undersowing influenced most...

article

Effect of alternative mineral and organic fertilization on the mountain meadows yielding

A. Radkowski

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 109-112

Fertilization is the main factor influencing the meadow yield. Perennial utilization of meadows results in sward degradation depending on the method and level of fertilization. It is manifested by a lower yield level. Therefore it is of great importance to adjust proper amounts of fertilizers and kind of fertilization. The aim of this work was to estimate the effect of the method and level of fertilization...

article

Effect of lead nitrate [Pb(NO3)2] on development of the Heterorhabditis megidis (Poinar, Jackson and Klein 1987) nematode inside the host body

J. Matuska, M. Kamionek

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 89-92

Performed studies allowed for understanding the effect of lead from the host's food on Heterorhabditis megidis. Wax was contaminated with lead ions in various concentrations and red to larvae of Galleria mellonella. After 5 days the insects were infected by invasive larvae of nematodes at a dose of 50 larvae per insect. Intensity and extensity of invasion, the number of alive and dead larvae of the...

article

Effects of magnesium nutrition under varying soil moisture conditions on some physiological features of fragrant basil (Ocimum basilicum L.)

M. Mikiciuk, K. Malinowska, J. Wróbel

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 93-102

The first factor of the experiment was the level of nutrition with magnesium (O; 0.30 and 0.90 g Mg per Mitscherlich pot), whereas the other factor was the level of soil moisture (30 % and 60 % of the maximum water capacity). The following physiological features of fragrant basil were determined: assimilation surface of leaf laminas, fresh mass of the aboveground part, dry mass of leaves, stalks and...

article

Effect of increased temperatures on the population dynamics of saw-toothed grain beetles Oryzaephilus surinamensis L (Coleoptera, Cucujidae)

M. Kłyś

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 75-80

The study included the saw-toothed grain beetles Oryzaephilus surinamensis L. kept in stores and granaries. The aim of the laboratory experiments was to analyse the effect of the short-termed and periodically increased temperatures on the population dynamics of this species. The control and experimenta1 cultures were kept in a thermostat at a temperature of 30°C and relative humidity (r.h.) of 70...

article

Influence of autochthonous sulphur bacteria on metals leaching from zinc and lead flotation tailings

M. Pacholewska, J. Cabała

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 103-108

Zinc- and lead-ore processing in the Bolesław Mine and Metallurgical Plant SA results in annual formation up to 1.6 million Mg of flotation tailings which are deposited in sedimentary ponds. Apart from dolomite, the wastes contain variety of chemical compounds, including heavy metal sulphides: pyrite and marcasite (FeS2), sphalerite (ZnS), galena (PbS) and other minerals. The results of research on...

article

Estimation of the microelements content in selected cultivars of winter rape seeds

T. Banaszkiewicz

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 9-13

: In the present research the microelement content in some cultivars of rapeseed and theirs variability were assessed. Thirty three samples of rapeseeds, obtained from IHAR experimenta1 stations from 1994-1998 seasons were ground and dry incinerated at 550°C and the ash was dissolved in 10 % of HCl. The contents of Zn, Fe, Cu, Mn, Pb, and Cd in samples were determined by the atomic spectrophotometry...

article

Macroelement content in pasture sward undersown with perennial ryegrass irradiated with diode and laser. Part l

B. Grygierzec

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 65-70

Studies were conducted in 2003-2005 in the area of two agricultural farms: in Skrzeszowice near Krakow (220 m a.s.1.) and in Trzebunia near Pcim (450 m a.s.1.).The experiments were set up on permanent grasslands managed by undersowing with perennial ryegrass. The experiment was used for hay production and grazed five times by dairy cattle during the vegetation period. It comprised the following variants:...

article

Effectiveness of herbicides control of Tripleurospermum indorom (L.) Schultz-Bip. from the region of Copper Foundry "Głogów" action

U. Dopierała

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 41-45

At the beginning of its activity GŁOGÓW Copper Foundry emitted large quantities of pollutants causing changes of agricultural ecosystem in its surroundings. In this region 60-70 % of crops are cereals. Scentless mayweed (Tripleurospermum indorum) poses the most serious threat to winter wheat. The aim of this work was to determine if biotypes of T. indorum which grow for many years in polluted environment...

article

Studies on abundance in selected nutrients of differently used soils derived from loess

K. Ciarkowska, K. Sołek-Podwika

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 29-34

One of the factors determining soil fertility is the content of nutrients, easily available for plants. The objective of the work was the assessment of the effect of the soil use on the content of nutrients and the evaluation how their content is in geologically uniform loess soils and non-uniform underlain with sand. As a result of studies it can be ascertained that agricultural practices performed...

article

Copper ions as a factor determining the enzymatic activity of soil bacteria

M. Bałaszak, A. Nowak

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 15-21

The experiment bas been aimed at evaluating the war and the range of bacterial activity due to copper ions. Copper(II) chloride dihydrate was introduced into the soil at two rates to achieve the total copper content corresponding to weak and strong soil pollution by the element. After two-month soil incubation several hundreds of bacterial strains were isolated and ranges of proteolytic, amylolytic,...

article

Consequent effect of soil contamination with heavy metals on Broad Bean seed quality (Vicia faba L, ssp. major)

J. Gospodarek

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 55-64

The aim of the research was to determine the effect of soil contamination with heavy metals on broad bean seed (Vicia faba L ssp. maior) quality, their germination energy and the ability and degree of their infestation by broad bean beet1e (Bruchus rufimanus Boh.) in the time which elapsed from the moment of soil contamination. Broad bean (Vicia faba L ssp. major), White Windsor c.v. was cultivated...

article

Sulphur- and iron-oxidizing activities of bacteria isolated from zinc-lead flotation tailings

B. Cwalina, M. Jaworska-Kik

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 35-39

Post-flotation tailings from zinc- and lead-ore processing in the "Bolesław" mining-metallurgy plant are deposited in sedimentary ponds. Dolomite CaMg(CO3)2 is the main constituent (above 70 %) of the wastes. They contain also considerable amounts of sulphur (up to 14 %) and iron (up to 16 %) in form of sulphides, mainly of pyrite and marcasite (FeS2; 13-30 %). Therefore, the occurrence...

article

Influence of environment pollution on entomofauna of city gardens

M. Jaworska, D. Murowana

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 71-73

It bas been found that the hornbeam hedge of a newly constructed garden situated 50 metres from a busy road was settled in the first year of vegetation by twice the number of sucking insects than the old garden hedge situated 300 m from the same road. Predatory Col., Carabidae beetles and also Araneida and Myriapoda occurred in twice smaller numbers in the object located closer to the road. Chemical...

article

Comparison of Fostar and Wapnovit foliar fertilizers effect on phytopathogenic fungi of genus Fusarium

K. Gleń

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 47-54

The investigations aimed at comparing the effect of various concentrations of foliar fertilizers, Fostar and Wapnovit, on linear growth, biomass increment and sporulation of phytopathogenic fungi: Fusarium solani (Mart.) Sacc., Fusarium coeruleum (Sacc.) Booth, Fusarium culmorum (W.G. Smith) Sacc. and Fusarium graminearum Schwab under in vitro conditions. The conducted research revealed a Jack of...

article

Winter wheat response to copper application under different cultivation technologies and nitrogen fertilization

J. Korzeniowska

Ecological Chemistry and Engineering. A > 2008 > Vol. 15, nr 1-2 > 81-88

Three field trials were conducted in 2004-2006. In these trials the response of 15 wheat varieties to foliar copper application depending on the cultivation technology level were examined. For this purpose a part of PDO experiments conducted in the IUNG Experimental Station in Jelcz-Laskowice was separated and used. Two cultivation levels were studied: basic and intensive. The intensive level, in...

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METALE CIĘŻKIE (139)
HEAVY METALS (131)
SOIL (111)
GLEBA (109)
SEWAGE SLUDGE (51)
NITROGEN (43)
AZOT (40)
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Ecological Chemistry and Engineering. A

Entomopamogenic fungi and nematodes in oligotropic low sedge fen soils

Free proline content in leaves of Salix viminalis as an indicator of their resistance to substrate salinity

Effect of fertilization on healthiness of mountain meadow grasses

Accumulation of selected metals in roach (Rutilus rutilus L.) from West Pomeranian lakes

Effect of mountain pasture undersowing on the content and yield of selected organic components

Effect of alternative mineral and organic fertilization on the mountain meadows yielding

Effect of lead nitrate [Pb(NO3)2] on development of the Heterorhabditis megidis (Poinar, Jackson and Klein 1987) nematode inside the host body

Effects of magnesium nutrition under varying soil moisture conditions on some physiological features of fragrant basil (Ocimum basilicum L.)

Effect of increased temperatures on the population dynamics of saw-toothed grain beetles Oryzaephilus surinamensis L (Coleoptera, Cucujidae)

Influence of autochthonous sulphur bacteria on metals leaching from zinc and lead flotation tailings

Estimation of the microelements content in selected cultivars of winter rape seeds

Macroelement content in pasture sward undersown with perennial ryegrass irradiated with diode and laser. Part l

Effectiveness of herbicides control of Tripleurospermum indorom (L.) Schultz-Bip. from the region of Copper Foundry "Głogów" action

Studies on abundance in selected nutrients of differently used soils derived from loess

Copper ions as a factor determining the enzymatic activity of soil bacteria

Consequent effect of soil contamination with heavy metals on Broad Bean seed quality (Vicia faba L, ssp. major)

Sulphur- and iron-oxidizing activities of bacteria isolated from zinc-lead flotation tailings

Influence of environment pollution on entomofauna of city gardens

Comparison of Fostar and Wapnovit foliar fertilizers effect on phytopathogenic fungi of genus Fusarium

Winter wheat response to copper application under different cultivation technologies and nitrogen fertilization

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