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630*114:631.416 (2) |
Forestry (331) |
Soil science. Pedology. Soil research (714) |
SM ISO690:2012 COJUHARI, Tamara, VRABIE, Tatiana, PANĂ, Sergiu. Manganul şi molibdenul în solurile şi plantele de pădure. In: Buletin Ştiinţific. Revista de Etnografie, Ştiinţele Naturii şi Muzeologie (Serie Nouă) , 2015, nr. 22(35), pp. 96-111. ISSN 1857-0054. |
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Buletin Ştiinţific. Revista de Etnografie, Ştiinţele Naturii şi Muzeologie (Serie Nouă) | ||||||
Numărul 22(35) / 2015 / ISSN 1857-0054 | ||||||
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CZU: 630*114:631.416 | ||||||
Pag. 96-111 | ||||||
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The paper presents the results of research on physiologically important microelements Mn and Mo in soils and herbaceous forest plants, analyzed in relation to seasonal variations in soil and herbaceous species. Has been established: total amounts of either Mn or Mo do not exceed critical levels, except for some accumulations of mostly biological character; the highest values of mobile Mn are characteristic for soil of oak and hornbeam forest throughout the vegetation period; the highest values of mobile Mo are found in soil of oak forest with lime and ash. Soil of beech forest with oak, compared to others, is characterized by lower values of Mn and mobile Mo. In each type of forest phytocenotic groups of plants with resistant to surplus of microelements were revealed. Accumulations of Mn exceeding known standards were detected in species Myosoton aquaticum and Stellaria holostea (507.0 and 611.0 mg/kg dry weight respectively). It is important to note that extremely low as well as toxic concentrations of Mo were not observed in the analyzed herbaceous plants. |
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Cuvinte-cheie forest soils, herbaceous species, manganese, molybdenum, seasonal variations, soluri de pădure, specii ierboase, mangan, molibden, variații sezoniere. |
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