Wydanie 290(20) 2011

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https://oa.zut.edu.pl/handle/20.500.12539/747

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Przeglądaj Wydanie 290(20) 2011 wg Temat "Dyscyplina::Nauki rolnicze::Rolnictwo i ogrodnictwo"

Teraz wyświetlane 1 - 4 z 4
  • Miniatura
    PozycjaOpen Access
    Biologiczna aktywność gleby zanieczyszczonej antracenem
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2011) Hawrot-Paw, Małgorzata; Ryłów, Małgorzata; Zakład Mikrobiologii i Biotechnologii Środowiska, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie; Zakład Mikrobiologii i Biotechnologii Środowiska, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie
    Paper presents study results upon evaluating the influence of anthracene on the numbers of the three main taxonomic groups of soil microflora. Variable factors in the experiment was a dose of hydrocarbon, temperature and incubation time. It was found that the largest group of microorganisms in the studied soil were bacteria, actinomycetes was considerably less and fungi. Microorganisms showed different sensitivity to the presence of anthracene, which depended on the dose, and the impact this has changed with time. On the basis of average values for the whole period of incubation was found that a significant effect on the number of bacteria was dose 1000 mg · kg–1, for actinomyces, 100 and 1000 mg · kg–1 and for fungi 10 000 mg · kg–1. Higher temperatures caused a rise in the number of bacteria and the limited development of the actinomycetes and fungi.
  • Miniatura
    PozycjaOpen Access
    Skład chemiczny i jakość białka konwencjonalnej i genetycznie zmodyfikowanej poekstrakcyjnej śruty sojowej
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2011) Biel, Wioletta; Zakład Żywienia Zwierząt i Żywności, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie
    The aim of this study was estimation of composition and quality of protein of genetically-modified (GM) soybean meal studied in experiment on laboratory rats. No statistical differences were found in the results of chemical composition and nutritive value. A high content of exogenous amino acids was found. This was reflected in high nutritive value on the basic on CS, EAAI and predicted PER and BV. The final indicators of biological value (PER, BV and TD) were hight and did not differ statistically across GM soybean meal and non-modified and were similary with caseine. It was concluded that soybean meal produced from glyphosate-tolerant GM soybean (Roundup Ready) are nutritionally equivalent to conventional feed.
  • Miniatura
    PozycjaOpen Access
    Stan i perspektywy rozwoju gospodarstw agroturystycznych w powiecie Drawskim
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2011) Kalbarczyk, Eliza; Kamińska, Anna; Kalbarczyk, Robert; Zakład Meteorologii i Klimatologii, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie; Zakład Meteorologii i Klimatologii, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie; Zakład Meteorologii i Klimatologii, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie
    The study evaluated the offer and profitability of agritourism farms of the Drawsko district, defined both a typical recipient of an agritouristic offer and a farm owner. The study utilised the results of a survey conducted from June to August 2009 in 29 agritourism farms operating in four communes of the district. It was found that the offer of the majority of the agritourism farms in the district provides active leisure in rural area but do not ensure participation in the activities of a farm. It seems that attractions offered to children, who constitute a large group of tourists, are relatively scarce. A unique offer would make possible increasing competitiveness and profitability of an individual farm. The responses given by the owners of the farms confirmed the opinion that at present agritourism cannot be treated as a basic income source but as an extra source.
  • Miniatura
    PozycjaOpen Access
    Właściwości luminescencyjne ekstraktów alkalicznych substancji humusowych otrzymanych z nadkładów materiału ziemnego zastosowanych na modelu rekultywacyjnym znajdującym się na terenie zakładów elektrowni „Dolna Odra” są w Nowym Czarnowie
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2011) Mielnik, Lilia; Katedra Fizyki i Agrofizyki, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie
    Research was conducted on selected attempts to overlayers obtained from natural material used on experimental plots at the site of the Power Plant Dolna Odra SA in Nowe Czarnowo. In attempts of overlayers to determine the content of Corg and Ntot. Humic substances (HS) were extracted with a solution of 0.1 M NaOH. As a measure of organic matter content in the obtained extracts were Corg content in them. Photoinduced luminescence (FL) of humic substances was induced with a halogen light of 1000 to 5000 [µmol ⋅ m–2 ⋅ s–1] photon flux density. The FL intensity was recorded within the wavelength range of 400 to 600 nm, and within the time range of 0.15 s to 0.55 s after excitation. It was found that the components included in the overlayers of respondents have a significant impact on their content of organic matter. Also obtained significant differences in the values of intensity of photoinduced luminescence of studied SH. The differences may be evidence of the variable quantitative and qualitative contribution of photoluminophors in the structure of the examined HA molecules, as well as of their different photochemical reactivity.