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    Tytuł:
    Yields and the composition of roots of sugar beet varieties tolerant to the beet cyst nematode
    Autorzy:
    Jaskulska, I.
    Kamieniarz, J.
    Jaskulski, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/958265.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Opis:
    Breeding sugar beet varieties resistant and tolerant to Heterodera schachtii Schmidt is one of the ways to reduce the occurrence of this pest in soil. Tolerant varieties should have a high value. Yields of roots must be high and of good technological quality. In 2013-2015, the research unit of Nordzucker Polska S.A. together with the Department of Plant Production and Experimentation of the Bydgoszcz University of Science and Technology carried out a one-factor field experiment at the village of Błoto, Kujawsko-Pomorskie Province, Poland. The purpose of the study was to compare the root yield, the internal technological quality of roots, and the technological yield of sugar from three beet cyst nematode (BCN) tolerant sugar beet varieties: Charly, Perruche, and Sława KWS, and two conventional varieties, grown in fields with a high BCN cyst count (657-1140 cysts 100 g-1 soil). Yields and technological quality of roots during the study period depended on a variety of sugar beet. The tolerant variety Perruche was the highest yielding one in terms of average yields over the whole period. In two out of the three years of the experiment, there was also a significant relationship between the sugar content in beet roots and their variety. In 2013 and 2015, the sugar yield of at least one BCN-tolerant variety, i.e. the varieties Sława KWS and Charly respectively, was significantly higher than the yield of a conventional variety, which was worse in this respect. In 2014, the technological yield of sugar from each tolerant variety was higher than the yield obtained from the conventional varieties.
    Źródło:
    Journal of Elementology; 2017, 22, 3
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Current state of irrigation in the Kherson steppe zone of Ukraine and in Kujawsko-Pomorskie province in Poland
    Aktualny stan nawodnień na obszarze stepu ukraińskiego i w województwie kujawsko-pomorskim w Polsce
    Autorzy:
    Reznik, V.S.
    Morozova, O.S.
    Morozov, O.V.
    Jaskulska, I.
    Kamieniarz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/47284.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
    Tematy:
    agricultural land
    drainage
    irrigation
    Kherson region
    steppe zone
    Ukraine
    Kujawsko-Pomorskie voivodship
    Polska
    Opis:
    In various regions of the world you will find areas with low precipitation and high water deficits in soil in terms of field plant production. Examples of such areas are the Kherson region in Ukraine and the Kujawsko-Pomorskie province, especially the Kujawy region, in Poland. The Kakhovka Irrigation System in the Kherson region of Ukraine is the largest irrigation system in Europe. In 2015 it facilitated irrigating about 220 thousand ha. of farmland. Some limitation in the use of that system for enhancing soil productivity comes from the water quality. In the Kujawsko-Pomorskie province, Poland, which covers about 1 mln ha. of agricultural land, direct irrigation is performed on about 12 thousand ha. An improvement in soil moisture is seen through increasing water retention in the habitat by limiting water outflow.
    W różnych regionach świata występują obszary o małej ilości opadów i dużych niedoborach wody w glebie dla polowej produkcji roślinnej. Przykładem takich obszarów jest region Kherson na Ukrainie i województwo kujawsko-pomorskie, a zwłaszcza Kujawy – w Polsce. Na Ukrainie w regionie Kherson znajduje się największy system nawadniający w Europie – Kakhovka. W 2015 roku pozwolił on na nawodnienie około 220 tys. ha użytków rolnych. Pewnym ograniczeniem wykorzystania tego systemu do zwiększania produktywności gleb jest jakość wody. W województwie kujawsko-pomorskim w Polsce, obejmującym około 1 mln ha użytków rolnych, bezpośrednie nawadnianie wykonywane jest na powierzchni około 12 tys. ha. Poprawy uwilgotnienia gleb upatruje się w zwiększeniu retencji wody w siedlisku poprzez ograniczenie jej odpływu.
    Źródło:
    Acta Scientiarum Polonorum. Agricultura; 2016, 15, 4
    1644-0625
    Pojawia się w:
    Acta Scientiarum Polonorum. Agricultura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulations of the 3D Ising Model at Criticality
    Autorzy:
    Blöte, H. W. J.
    Kamieniarz, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1930588.pdf
    Data publikacji:
    1994-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.50.+q
    64.60.-i
    64.60.Fr
    75.40.Mg
    64.60.Ak
    Opis:
    We present some new finite-size results for the Binder cumulant that we obtained by means of a transfer-matrix perturbation expansion and by the cluster Monte Carlo methods - the Swendsen-Wang and Wolff algorithms and the largest-cluster method. A finite-size scaling analysis taking into account a correction to scaling locates the critical coupling at Kc = 0.221649(4).
    Źródło:
    Acta Physica Polonica A; 1994, 85, 2; 395-398
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nicienie żołądkowo-jelitowe i kokcydia u saren w latach wyróżniających się upałami letnimi
    Gastrointestinal nematodes and coccidia in roe deer in years distinguished by summer heats
    Autorzy:
    Kamieniarz, R.
    Szymański, M.
    Włodarek, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/978901.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    parasites
    body weight
    prevalence of invasion
    summer heat
    Opis:
    Parasites are the most common cause of disease in European roe deer (Capreolus capreolus), but prevalence of some invasions was smaller after a dry and hot summer. In the years 2015−2016, which were distinguished by exceptionally high temperature during summer months, the presence of nematodes and protozoa was assessed in the digestive tract of roe deer in western Poland. Studies confirmed that weather conditions may reduce gastrointestinal parasite prevalence in roe deer. In 2016, coccidiosis was not found in the examined species at all and in 2015 – it was rarely recorded. The reason for that could be the oocyst high exposure to sunlight as well as their drying as a consequence of high temperature and low precipitation. Such weather conditions also negatively affect other parasites when they are outside the host. Favourable environmental conditions for parasites probably occur more often in the forest than in the field, hence some gastrointestinal nematodes in the hot period were recorded only in roe deer in forest areas.
    Źródło:
    Sylwan; 2020, 164, 09; 775-782
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Critical Behaviour of Some 2D Lattice Models
    Autorzy:
    Kamieniarz, G.
    Blöte, H. W.J.
    Dekeyser, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1930586.pdf
    Data publikacji:
    1994-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.50.+q
    64.60.-i
    64.60.Cn
    64.60.Ak
    64.60.Fr
    75.40.Mg
    Opis:
    The density series of the non-interacting hard-square lattice gas model are reanalyzed by the ratio, Dlog Padé and differential approximant methods. The problem of poor consistency between series and other results is resolved. Transfer matrix calculations are performed, implementing both finite-size scaling and conformal invariance. Very accurate estimates of the critical exponents y$\text{}_{t}$, and y$\text{}_{h}$ are obtained in agreement with Ising universality. Furthermore, an improvement of the value of the critical density ρ$\text{}_{c}$ is found. In addition, the universal critical-point ratios of the square of the second and the fourth moment of the magnetization for ferromagnetic Ising models on the square and on the triangular lattice with periodic boundary conditions are reported.
    Źródło:
    Acta Physica Polonica A; 1994, 85, 2; 389-393
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hunting in Poland as part of the sustained development of rural areas
    Autorzy:
    Labudzki, L.
    Kamieniarz, R.
    Gorecki, G.
    Skubis, J.
    Wierzbicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/38746.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    hunting
    Polska
    rural development
    rural area
    tourism
    Opis:
    Due to state ownership of both free game and most forests in Poland, large hunting districts and low number of hunters, hunting in Polish hunting grounds provides an opportunity to encounter many animal species, often in their almost natural environment. The qualities of Poland’s fauna and flora as well as Poland’s accession to the EU and the resulting ease of movement have contributed to the development of hunt tourism. As a consequence, there has been a rise in the demand for services offered by rural areas inhabitants, which in turn should make local communities recognize the need to preserve the natural environment.
    Źródło:
    Folia Forestalia Polonica. Series A . Forestry; 2009, 51, 1
    0071-6677
    Pojawia się w:
    Folia Forestalia Polonica. Series A . Forestry
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Improved Phase Diagrams of Ashkin-Teller Model
    Autorzy:
    Pawlicki, P.
    Kamieniarz, G.
    Kozlowski, P.
    Dekeyser, R.
    Rogiers, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1964805.pdf
    Data publikacji:
    1997-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    75.40.Mg
    75.10.Hk
    64.60.Ak
    Opis:
    The phase diagram of the Askhin-Teller model in two dimensions is determined. Numerical calculations are performed for the simple square L × L lattice using transfer matrix technique. Exploiting finite-size scaling all unknown critical lines were obtained with good accuracy. An extended version of the Ashkin-Teller model is also considered within the molecular field renormalization group method and the critical surface for three-parameter odd-parity Hamiltonian is calculated.
    Źródło:
    Acta Physica Polonica A; 1997, 92, 2; 453-456
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    DMRG Approach to a Molecular-Based Bimetallic Chain Containing Re(IV) and Cu(II) Ions
    Autorzy:
    Sobczak, P.
    Barasiński, A.
    Matysiak, R.
    Drzewiński, A.
    Kamieniarz, G.
    Bieńko, A.
    Mroziński, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1534998.pdf
    Data publikacji:
    2010-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    75.50.Xx
    75.10.Jm
    02.70.Rr
    Opis:
    The bimetallic chain complex [Cu(tren)]$ReCl_6$ is numerically analysed on the basis of the anisotropic quantum Heisenberg model without the mean-field corrections by the density-matrix renormalization group approach. The high accuracy results of our simulations have been fitted to the corresponding experimental susceptibility data above the crossover regime. The set of model parameters comprising the strength of antiferromagnetic couplings, the single-ion anisotropy term and the corresponding g factors have been found: J/$k_{B}$ = 3.5 ± 0.5 K, D/$k_{B}$ = 35 ± 5 K, $g_{Cu}$ = 2.07 ± 0.05 and $g_{Re}$ = 1.73 ± 0.01.
    Źródło:
    Acta Physica Polonica A; 2010, 118, 5; 975-977
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przydatność danych z wyszukiwarki internetowej do analizy intensywności inwazji biologicznej na przykładzie szopa pracza
    Potential of data from the Internet search engine to analyze of biological invasion intensity on the example of Procyon lotor
    Autorzy:
    Dyderski, M.K.
    Biegańska, A.
    Królik, K.
    Rydzińska, S.
    Żychlińska, A.
    Kamieniarz, R.
    Skubis, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/989496.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    zwierzeta lowne
    gatunki obce
    gatunki inwazyjne
    szop pracz
    Procyon lotor
    liczebnosc
    dane statystyczne
    wyszukiwarki internetowe
    model ARIMA
    raccoon
    invasive species
    predators
    hunting
    arima
    Opis:
    Biological invasions are one of the most important problems of nature conservation, which affect several branches of forestry and game management. In case of recent invasions, there is a problem with assessment of invasion intensity due to insufficient quantity of data. In Poland, eight of 31 game species are alien and three small predators are serious threat to biological diversity. The most recent of them is raccoon (Procyon lotor L.). Similarly to studies about rodents and flu, we tested potential of Google search engine to assess whether it may be used as a proxy for species abundance, by downloading search index of phrase 'szop pracz' (i.e. raccoon). We decomposed time series of search intensity in weak intervals into trend, seasonal and remainder, and identified sources of variability within these elements. We also proved, that this time series may be modeled using four moving average model, according to ARIMA technique. Seasonal element was connected with species biology – raccoon was recorded less frequently in winter, due to its lower activity in this time. Remainder was connected with entertainment and law regulation news in most popular websites, which resulted the peak of search index in 2009, when there was a change in length of hunting season for raccoon. Moreover, we proved that annual sums of search indices were positively correlated with hunting gain of raccoon (p<0.05; R²=0.34), thus studied time series is connected with biological phenomena of raccoon invasion. Our results show that search engine queries may be useful in predicting and reconstruction of biological invasions.
    Źródło:
    Sylwan; 2016, 160, 10; 822-828
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Anisotropy, Geometric Structure and Frustration Effects in Molecule-Based Nanomagnets
    Autorzy:
    Kamieniarz, G.
    Kozłowski, P.
    Antkowiak, M.
    Sobczak, P.
    Ślusarski, T.
    Tomecka, D.
    Barasiński, A.
    Brzostowski, B.
    Drzewiński, A.
    Bieńko, A.
    Mroziński, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1426672.pdf
    Data publikacji:
    2012-05
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    75.50.Xx
    75.10.Jm
    75.10.Pq
    75.40.Cx
    Opis:
    In this paper we review our results of comprehensive study of molecular nanomagnets recently synthesized in the form of the chromium-based molecules and bimetallic copper-containing chains as well as we present some new findings. We focus on effects of anisotropy, geometry and frustration appearing in various thermodynamic properties of the nanoscale magnets which are described by Heisenberg-like spin models and simulated by accurate numerical methods. We show that bond-dependent exchange anisotropy is needed to model magnetic torque in the Cd-doped chromium ring. We argue that only in the limit of infinite rings (n → ∞) frustration can be considered as the opposite to bipartiteness in the odd numbered (3 ≤ n ≤ 9) s = 3/2 quantum spin rings. We analyse the influence of exchange interactions and anisotropy on magnetic susceptibility of bimetallic (S = 3/2, s = 1/2) chains composed of Cu ions linked to different 3d ions by fitting experimental data. We reach the remarkable consistency of the density functional theory estimates of the magnetic couplings in $Cr_8$ molecule and provide strong support to the spin models exploited in the literature.
    Źródło:
    Acta Physica Polonica A; 2012, 121, 5-6; 992-998
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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