The clayish-mineralogical characteristics and properties of soil in the environment of maximal immission load from aluminium works
1995
Mihalik, A. (Technicka Univ., Zvolen (Slovakia). Lesnicka fakulta) | Bublinec, E.
Below 19 deg C fluorine immissions form liquid aerosols, which react easily with air humidity to create aggressive HF acids. The study of soil properties under these conditions was performed on former agricultural lands, at present partially afforested by protective plantations and partially covered with grass. The soils on the parallel plots are formed of alluvium. The oak-hornbeam plantation favourably affected the ecological-productive properties of the soil during 30 years of its existence, especially through the bioaccumulation of available potassium (149 mg K kg** (-1)) but also of phosphorus, humus, and the shift of soil reaction into an ecologically more favourable region with pH above 5.5. The fully dominant position of montmorillonite, which had not been found before in the forest soils of Slovakia, is typical for the soils. The surface layers of both soils differ from lower layers from the clayish-mineralogical viewpoint. X-ray analysis of the black cover from the surface of the soil and vegetative organs of the plants identified the graphitic form of carbon, with an admixture of silica and cristobalite.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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