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    Wyświetlanie 1-8 z 8
    Tytuł:
    Effect of companion crops and crop rotation systems on some chemical properties of soil
    Autorzy:
    Orzech, K.
    Zaluski, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1192074.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    quality of soil
    spring spring barley
    crop rotation
    preceding crop
    companion crops
    Opis:
    The aim of the experiment, conducted in 2005-2011, was to make an assessment of the influence of spring spring barley sowing technology (pure and with companion crops) in crop rotation sequences with 25, 50 and 75% shares of spring spring barley on chemical changes in the 0-20 cm soil horizon. In 2011, spring spring barley (pure sowing) on a stand where spring barley preceded spring barley in a crop rotation system with a 50% spring barley share was found to cause a decline in soil pH and a rise in the soil content of organic carbon (C org.) in comparison with the treatments where companion crops were undersown. Spring barley with the companion crop of Italian ryegrass on a spring barley after spring barley stand raised the pool of C org. in soil relative to the period before the experiment, but the opposite effect was observed when spring barley was undersown with red clover on a stand after potato. In the pure stand, after seven years of the experiment, the highest increase in the soil phosphorus (P) content was noted under the spring barley field following spring wheat, whereas on the plots with the Italian ryegrass companion crop in a sequence of spring barley after spring barley repeated twice the soil was richer in P than prior to the experiment. Once the experiment was terminated in 2011, more potassium (K) was determined in soil under pure spring barley than under spring barley with companion crops. Spring barley with Italian ryegress as a companion crop raised the content of K in soil, but a reverse situation was observed on plots with red clover undersown on a stand of spring barley after potato in comparison with the crop rotation sequences of spring barley after spring wheat and after spring barley. In the case of the soli pH and phosphorus, a positive correlation was noted in the sequence of spring barley undersown with red clover on a stand after spring barley in the crop rotation system with a 75% of spring barley.
    Źródło:
    Journal of Elementology; 2020, 25, 3; 931-949
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chemical properties of soil and occurrence of earthworms in response to soil compaction and different soil tillage in cereals
    Autorzy:
    Orzech, K.
    Zaluski, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/14210.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Źródło:
    Journal of Elementology; 2020, 25, 1
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of soil compaction and different soil tillage systems on chemical properties of soil and presence of earthworms in winter oilseed rape fields
    Autorzy:
    Orzech, K.
    Zaluski, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/14512.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
    Artykuł
    Tytuł:
    The role of catch crops in in the field plant production - a review
    Autorzy:
    Zuk-Golaszewska, K.
    Wanic, M.
    Orzech, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/13578.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Źródło:
    Journal of Elementology; 2019, 24, 2
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Catch crops and the soil environment – a review of the literature
    Autorzy:
    Wanic, M.
    Zuk-Golaszewska, K.
    Orzech, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/15025.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
    Artykuł
    Tytuł:
    Nitrogen content and uptake by spring wheat and undersown Persian clover depending on plant density
    Autorzy:
    Wanic, M.
    Mysliwiec, M.
    Orzech, K.
    Michalska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1189783.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    nitrogen content
    nitrogen uptake
    wheat
    spring wheat
    undersowing
    Persian clover
    plant density
    cover crop
    Opis:
    In 2010-2012, a pot experiment was conducted in order to assess the impact of a sowing method and density of spring wheat and Persian clover on their uptake and content of nitrogen in different parts of the plants. The plants were grown in the following variants: a mixture, pure sowing, higher density (recommended in agricultural practice) and density reduced by 20%. Observations were performed in the following wheat development growth stages (BBCH): leaf development (12-14), tillering (21-23), stem elongation (31-32), inflorescence emergence (54-56) and ripening (87-89). The experiment included determinations of dry matter in different parts of plants (aerial organs, roots) and of the nitrogen content in dry matter. Based on the results, the total nitrogen content was determined in both species. The data were also used to calculate nitrogen translocation from the wheat vegetative mass to grain, and to calculate selected competition indicators. It was demonstrated that - regardless of the density of plants - the nitrogen uptake by spring wheat and Persian clover in the mixed sowing was lower than in the pure sowing treatment. Mixed sowing caused a more limited nitrogen uptake by the aerial parts of both species than by their roots. No impact was demonstrated of the plant density on the nitrogen uptake by different parts of spring wheat. Persian clover in pots with the lower sowing density absorbed less nitrogen than in pots with the recommended density. Nitrogen translocation from the vegetative parts to the grain of spring wheat between the inflorescence emergence and ripening stages was more effective in the mixture than in the pure sown plants. In mixed sowing, after nitrogen uptake, wheat proved to be a stronger competitor than Persian clover during the whole plant growing period.
    Źródło:
    Journal of Elementology; 2016, 21, 1; 231-246
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nitrogen content and uptake by spring wheat and undersown Persian clover depending on plant density
    Autorzy:
    Wanic, M.
    Mysliwiec, M.
    Orzech, K.
    Michalska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/14801.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    nitrogen content
    nitrogen uptake
    wheat
    spring wheat
    undersowing
    Persian clover
    plant density
    cover crop
    Opis:
    In 2010-2012, a pot experiment was conducted in order to assess the impact of a sowing method and density of spring wheat and Persian clover on their uptake and content of nitrogen in different parts of the plants. The plants were grown in the following variants: a mixture, pure sowing, higher density (recommended in agricultural practice) and density reduced by 20%. Observations were performed in the following wheat development growth stages (BBCH): leaf development (12-14), tillering (21-23), stem elongation (31-32), inflorescence emergence (54-56) and ripening (87-89). The experiment included determinations of dry matter in different parts of plants (aerial organs, roots) and of the nitrogen content in dry matter. Based on the results, the total nitrogen content was determined in both species. The data were also used to calculate nitrogen translocation from the wheat vegetative mass to grain, and to calculate selected competition indicators. It was demonstrated that - regardless of the density of plants - the nitrogen uptake by spring wheat and Persian clover in the mixed sowing was lower than in the pure sowing treatment. Mixed sowing caused a more limited nitrogen uptake by the aerial parts of both species than by their roots. No impact was demonstrated of the plant density on the nitrogen uptake by different parts of spring wheat. Persian clover in pots with the lower sowing density absorbed less nitrogen than in pots with the recommended density. Nitrogen translocation from the vegetative parts to the grain of spring wheat between the inflorescence emergence and ripening stages was more effective in the mixture than in the pure sown plants. In mixed sowing, after nitrogen uptake, wheat proved to be a stronger competitor than Persian clover during the whole plant growing period.
    Źródło:
    Journal of Elementology; 2016, 21, 1
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Competition for nitrogen, phosphorus, potassium and magnesium between spring wheat and Persian clover depending on the density of plants
    Autorzy:
    Wanic, M.
    Myśliwiec, M.
    Orzech, K.
    Michalska, M.
    Denert, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/958274.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Opis:
    A pot experiment completed in 2010-2012 analysed the relationship between spring wheat and the undersown Persian clover in the competition for nitrogen, phosphorus, potassium and magnesium depending on the plant density during the spring wheat growth stages of inflorescence emergence (BBCH 54-56) and ripening (BBCH 87-89). A mixture was composed according to the additive pattern. The analyses covered the aerial parts and roots of both species. The species were cultivated in a mixture and pure sowing at higher density (consistent with agricultural technology recommendations) and a density 20% lower than recommended. Based on the measurements of dry mass of the aerial organs and roots, as well as the content of N, P, K and Mg in the plant parts, the uptake of these elements by both species was calculated. The above data were the basis for computing the relative yield (uptake) – RY, relative yield total (uptake) – RYT, index of competitive balance (Cb) and relative efficiency index (REI). It has been shown that spring wheat and Persian clover competed for the whole pool of nitrogen and potassium and almost the entire content of phosphorus and magnesium. Wheat was a stronger competitor in obtaining the nutrients than clover. It showed the strongest competition against undersown clover for magnesium and the weakest one for nitrogen. Wheat competed more intensively with Persian clover for phosphorus and potassium in the treatment where the density was lower than recommended during the inflorescence emergence stage and for nitrogen and magnesium during the ripening stage.
    Źródło:
    Journal of Elementology; 2017, 22, 3
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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