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Wyszukujesz frazę "mineral nutrient" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    The influence of soil acidity on aluminium and mineral nutrients concentrations in soil solution at different soil water potentials
    Wpływ kwasowości gleby na zawartość glinu oraz wybranych składników mineralnych w roztworze glebowym przy różnych potencjałach wody glebowej
    Autorzy:
    Siecinska, J.
    Wiacek, D.
    Nosalewicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/35410.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    soil acidity
    aluminium
    mineral nutrient
    nutrient concentration
    soil solution
    soil water
    water potential
    Opis:
    The aim of the research was to analyse the impact of soil water potential on the concentration of aluminium and selected mineral nutrients in soil solution. Soil acidification is a natural process accelerated by agriculture, and one of the most important factors limiting crop production worldwide. Concentrations of aluminium and selected mineral nutrients in solutions obtained from soil at initial pH 4.2 and after liming at various soil water potential were measured in centrifuged soil solution. Our results showed a significant gradual increase in the concentration of Al and most of mineral nutrients (Ca, Mg and P) with decreasing soil water potential from −3.5 kPa to −0.205 MPa. The results are important in the evaluation and interpretation of plant response to aluminium toxicity when accompanied by changes in water availability.
    Celem badań była analiza wpływu potencjału wody glebowej na stężenie glinu i wybranych składników mineralnych w roztworze glebowym gleby kwaśnej i wapnowanej. Wzrost kwasowości gleb jest naturalnym procesem, jednym z najważniejszych czynników ograniczających produkcję roślinną na świecie. Może on ulec przyspieszeniu przez środki stosowane w rolnictwie. Pomiarami objęto zmiany stężenia glinu oraz wybranych składników mineralnych w roztworach glebowych z gleby o pH 4.2 oraz gleby wapnowanej, otrzymanych przy różnych potencjałach wody glebowej. Nasze wyniki wskazują na znaczący wzrost stężenia glinu i większości składników mineralnych (Ca, Mg i P) wraz ze spadkiem potencjału wody glebowej z −3.5 kPa do – 0.205 MPa. Uzyskane wyniki są ważne w ocenie i interpretacji odpowiedzi roślin na toksyczność glinu, w warunkach zróżnicowanego uwilgotnienia gleby.
    Źródło:
    Acta Agrophysica; 2016, 23, 1
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Efficiency of CaCl2 spray at different fruit development stages on the fruit mineral nutrient accumulation in cv. Hayward kiwifruit
    Autorzy:
    Shiri, M.A.
    Ghasemnezhad, M.
    Moghadam, J.F.
    Ebrahimi, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1188065.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    Actinidia deliciosa
    fruit
    development stage
    mineral nutrient
    nutrient accumulation
    Hayward cultivar
    kiwi fruit
    calcium absorption
    calcium chloride spray
    Opis:
    Despite the importance of calcium in many fruit species and the effects of calcium application, there is little or no reliable information on the effect of CaCl2 spray at different fruit development stages on the fruit mineral nutrient content during the growing season and at harvest. Therefore, this study has been conducted to evaluate the effect of calcium chloride (CaCl2, 15 g L-1) spray at different fruit development stages on the accumulation Ca and other macronutrients in cv. Hayward kiwifruit grown at two locations. In order to find the absorbality of Ca at different spraying times, fruits were harvested 7 days after a Ca treatment. Additionally, the mineral composition of kwifruit was determined at the stage of harvest ripeness. The results showed that the absorbality of Ca by kiwifruit from Ca spray decreased significantly with the progressing fruit development. The highest fruit Ca content was found when the fruit plants were sprayed at 35+80 DAFB and 35+80+120 DAFB, irrespectively of the location of an orchard. At a later Ca spraying application, the N content in kiwifruit significantly decreased, but the K and Mg content slightly increased. In contrast, the K/Ca, N/Ca, Mg/Ca and (K+Mg)/Ca ratios of CaCl2 sprayed fruits was lower than in the control and the ratio values were more balanced in the Ca treated fruit than in the control. Overall, three CaCl2 (15 g L-1) sprays could effectively improve the fruit quality by balancing the Ca ratio to other macronutrients. Therefore, Ca spray treatments could be a recommended treatment in growing cv. Hayward kiwifruit.
    Źródło:
    Journal of Elementology; 2016, 21, 1; 195-209
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Efficiency of CaCl2 spray at different fruit development stages on the fruit mineral nutrient accumulation in cv. Hayward kiwifruit
    Autorzy:
    Shiri, M.A.
    Ghasemnezhad, M.
    Moghadam, J.F.
    Ebrahimi, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/15935.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    Actinidia deliciosa
    fruit
    development stage
    mineral nutrient
    nutrient accumulation
    Hayward cultivar
    kiwi fruit
    calcium absorption
    calcium chloride spray
    Opis:
    Despite the importance of calcium in many fruit species and the effects of calcium application, there is little or no reliable information on the effect of CaCl2 spray at different fruit development stages on the fruit mineral nutrient content during the growing season and at harvest. Therefore, this study has been conducted to evaluate the effect of calcium chloride (CaCl2, 15 g L-1) spray at different fruit development stages on the accumulation Ca and other macronutrients in cv. Hayward kiwifruit grown at two locations. In order to find the absorbality of Ca at different spraying times, fruits were harvested 7 days after a Ca treatment. Additionally, the mineral composition of kwifruit was determined at the stage of harvest ripeness. The results showed that the absorbality of Ca by kiwifruit from Ca spray decreased significantly with the progressing fruit development. The highest fruit Ca content was found when the fruit plants were sprayed at 35+80 DAFB and 35+80+120 DAFB, irrespectively of the location of an orchard. At a later Ca spraying application, the N content in kiwifruit significantly decreased, but the K and Mg content slightly increased. In contrast, the K/Ca, N/Ca, Mg/Ca and (K+Mg)/Ca ratios of CaCl2 sprayed fruits was lower than in the control and the ratio values were more balanced in the Ca treated fruit than in the control. Overall, three CaCl2 (15 g L-1) sprays could effectively improve the fruit quality by balancing the Ca ratio to other macronutrients. Therefore, Ca spray treatments could be a recommended treatment in growing cv. Hayward kiwifruit.
    Źródło:
    Journal of Elementology; 2016, 21, 1
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ecophysiological and biochemical changes in Abelmoschus esculentus (L.) Moench under chromium stress
    Autorzy:
    Unnikannan, P.
    Vedhanarayanan, P.
    Sundaramoorthy, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/10841.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    ecophysiological change
    biochemical change
    Abelmoschus esculentus
    bhendi
    chlorophyll content
    mineral nutrient
    chromium stress
    biochemical parameter
    Opis:
    Increasing concentrations of chromium caused reduction in growth, chlorophyll contents and mineral mutrients of bhendhi. At increasing concentrations of chromium, all the attributes were found to be reduced. Chromium is one of the toxic elements discharging from tannery industry. The long disposal of tannery effluent to the agricultural land causes serious damages in the soil texture; reduce the growth of microorganisms and agricultural crops. Large areas of Vellore district of Tamilnadu was seriously affected by the tannery effluent irrigation to the agricultural land. The present study was conducted to identify the phytotoxic effect and physiological changes of Abelmoschus esculentus (L.) Moench under the treatment of different concentrations of chromium solutions (2.5, 5, 10, 25, 50, 75 and 100 mg/l). The result shows that there was a gradual reduction in the morphological parameters (root length, shoot length, fresh weight and dry weight). Similarly the photosynthetic pigments (Chlorophyll and carotenoid) and biochemical parameters such as protein, amino acid, and sugars were also gradually decreased with increasing concentrations of chromium.
    Źródło:
    International Letters of Natural Sciences; 2014, 02
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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