Abstract
Studies concerned a glassy fertilizer obtained at the Department Materials the University of Mining and Metallurgy in Krakow. The fertilizer is able to supply plants with a wide range of macro- and microelements. The present study is aimed to define the possibility of increasing the utilization rate of phosphorus contained in glasses by introducing into the soil the phosphorus bacteria Bacillus megaterium var. phospateum that had been isolated from the soil in which the experiment was carried out and grown on a mineral medium. The results showed an increased level of phosphorus in the soil of the treatments. By using the results obtained in the present and previous studies it is possible to determine the soil conditions to plants. It is worth mentioning that the residues of the glassy fertilizer from which nutrients have been leached are compatible with skeletal parts of soil and thus do not pollute the environment.
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