Abstract

The research was carried out during the period of 2020-2022 in the south-eastern part of Romania on a reddish preluvosoil. Two types of slag from the metallurgical industry were applied, namely furnace slag and converter slag in doses of 1 t/ha, 3 t/ha and 5 t/ha. Taking into consideration the chemical composition of these materials and the fact that they contain elements such as Ca, P, Zn, Ni, Fe, Mg, they can be used to neutralize the acidic reaction of soils and for a better utilization of nutrients by crop plants. The research analyzed the effect of these materials on the chemical properties of the soil, on the soil’s reaction, the soil’s humus content and content in elements, as well as their influence on the production of maize, wheat and peas, while also taking into account the content in macroelements and heavy metals found in the soil and crop plants. The obtained results demonstrated that the application of these materials in the established doses of 1, 3 and 5 tons/ha led to significant increases in the production of maize, wheat and peas without the risk of accumulation of heavy metals in the soil and in the crop plants.

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