Wszystkie pola: Sowinski, J. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Changes in the chemical compositions of sweet sorghum (Sorghum bicolor (L.) Moench) stem fractions
Autorzy:: Sowinski, J.
Liszka-Brandau, A.
Powiązania:: https://bibliotekanauki.pl/articles/14430.pdf
Data publikacji:: 2019
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Źródło:: Journal of Elementology; 2019, 24, 1
1644-2296
Pojawia się w:: Journal of Elementology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Impact of different forms of nitrogen fertilizer on the content and uptake of microelements in sorghum
Wpływ nawożenia różnymi formami azotu na zawartość i pobranie mikroelementów przez sorgo
Autorzy:: Szydelko-Rabska, E.
Kulczycki, G.
Sowinski, J.
Powiązania:: https://bibliotekanauki.pl/articles/13989.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Opis:: The aims of the study were to determine the impact of various forms of nitrogen on the content and uptake of cooper, iron, manganese and zinc by sweet sorghum and to check what remains in the bagasse after extracting the plant juice. In 201-2011, field experiments were conducted on sweet sorghum (cv. Sucrosorgo 304) fertilized with different forms of nitrogen (nitrate, ammonium and urea). The fertilizer containing ammonia nitrogen markedly increased the amount of Mn in both years of the study and raised the amount of Zn in 2010. On average, significantly more Fe was found after fertilizing with nitrates (calcium nitrate), and more Zn was found after fertilizing with the form of ammonium (ammonium chloride). In 2010, there were significantly higher increments in the content of all the microelements. A lower content of microelements was found in the bagasse than in the whole plants. On average, throughout the whole study, a significant impact of the fertilization variants on the Zn content appeared. The highest uptake of Cu was found in plants which had been fertilized with nitrate and ammonium forms of nitrogen (ammonium nitrate), whereas Mn and Zn increased when fertilization included ammonium in the form of ammonium sulphate. After fertilizing with ammonium chloride, the uptake was slightly lower. On average for 2010-2011, the highest level of Cu, Mn and Zn occurred in the bagasse from plants that had been fertilized with ammonium chloride.
Źródło:: Journal of Elementology; 2014, 19, 2
1644-2296
Pojawia się w:: Journal of Elementology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Content of mineral nitrogen in sandy soils after an application of slow-release fertilisers in sweet sorghum cultivation
Autorzy:: Sowiński, J.
Kabała, C.
Karczewska, A.
Szydełko-Rabska, E.
Gałka, B.
Powiązania:: https://bibliotekanauki.pl/articles/962848.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Opis:: In 2013-2014, field experiments were conducted at the Agricultural Research Station in Pawłowice (Department of Crop Production of the Wroclaw University of Environmental and Life Sciences), using sorghum as a test plant. The purpose was to determine the influence of the type of fertiliser on the content of mineral nitrogen (N-NO3 and N-NH4) in the top soil layer (0-60 cm). Soil samples were collected three times during the growing season: in the spring before sowing, during the phase of shoot formation (July), and after the harvest (October). The fertilisers used in the experiment were ammonium nitrate, urea and slow-release coated urea (Meister). Regardless of the weather conditions in 2013 and 2014, similar tendencies were found with respect to the differentiation of the nitrogen content in soil. The total nitrogen content was the highest in the middle of the growing season, and the amounts of nitrate form differed greatly among the treatments. The content of N-NO3, measured in that period was 20-44% lower in the soil fertilised with coated urea than with standard urea. After the harvest, the stock of nitrogen in soil fertilised with ammonium nitrate was 58-61 kg ha-1, which was classified as a medium-high level (posing a threat to water quality), while being on a low level of 31-46 kg ha-1 in soils fertilised with standard urea and coated urea, which is considered to be harmless for the groundand surface waters under climate conditions of Poland. The stocks of N-NO3 left in soil after sorghum harvest fell into the medium-high level according to the limits recommended for sandy soils in Poland after fertilisation with ammonium nitrate, and into the low level if fertilised with standard urea and coated urea, in both years.
Źródło:: Journal of Elementology; 2016, 21, 4
1644-2296
Pojawia się w:: Journal of Elementology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Chemical and mineralogical composition of the Holocene soils sediments in north-eastern Poland
Autorzy:: Orzechowski, M.
Smolczynski, S.
Kalisz, B.
Dlugosz, J.
Sowinski, P.
Powiązania:: https://bibliotekanauki.pl/articles/13606.pdf
Data publikacji:: 2020
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Źródło:: Journal of Elementology; 2020, 25, 2
1644-2296
Pojawia się w:: Journal of Elementology
Dostawca treści:: Biblioteka Nauki

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