Abstract
The rocks of Nikopol manganese ore basin are represented with Neogenic and Paleogenic sediments. After realization of the stage of mine-technical reclamation loess-like and red-brown loams appear on the dump surface. Taking into biological specialty of most species of medicinal herbs, it can be assuming, some of them need culture on the humus rich soil to form the feedstock of stable quality, others can be successfully grown on pour leached soils, generally known as loess-like loams coming on the surface. Numerous types of medicinal herbs were tested in situ on the reclaimed mine land. From the comparison of the results with the defined permissible concentration limits, it was concluded that the levels of trace element contents in the locally available medicinal plants under investigation fall around the permissible range except for German chamomile ( Matricaria chamomilla ) , Dwarf everlast ( Helichrysum arenarium ), Motherwort ( Leonurus cardiac ) and St John's-wort ( Hypericum perforatum ) with regard to its extremely high Cu and Mn content.
Highlights
Land area of the world is occupied by degraded land
That is why WHO suggested that medicinal plants used as ingredients of herbal formulation, should be checked for the presence of heavy metals (WHO 1998)
The effectiveness of medicinal plants is mainly associated with their constituents such as essential oils and secondary metabolites, it is considered that prolonged intake can cause health problems if the heavy metals like Pb, Cd, Zn, Ni and other impurities are above the threshold concentrations (Stanojkovic-Sebica et al, 2015) .Up to 1220 species of the Ukrainian wild medicinal plants are of limited economic importance
Summary
Land area of the world is occupied by degraded land. Plantation of herbal plants at degraded land can help to save the diversity of these herbal plants and simultaneously will help to minimize the pressure on crop lands and reclaim the degraded land of the country (Kudesia et al, 2009). It can be assumed that the part of reclaimed lands in this mining region could be used for medicinal herbs culturing Due to this in-depth study of medicinal s herbs productivity on different types of reclaimed lands is required. Different, regarding soil requirements, types of medicinal herbs were tested in situ on the reclaimed mine dump of mine-processing plant in Nikopol manganese ore basin. Most of these medicinal herbs species were detected during observation of natural plant covering of the dumps. The purpose of the study is to define the possibility of medicinal herb feedstock production using different types of reclaimed lands
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