Serdar Bilen

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Despite the number of studies describing metal hyper-accumulating plants and their associated bacteria in various regions and countries, there is no information on rhizosphere microbial potential of the Turkish serpentine soils. This study aimed to explore the rhizosphere microbial diversity of Ni-resistant, hyper-accumulating plants grown on Ni-rich soils(More)
Frequent tillage negatively affects the methane (CH4) oxidation capacity of agricultural soils. The restoration of that capacity of soils through no-tillage (NT) adoption has been suggested, but is not well documented. With the expectation of increased CH4 oxidation with longer NT duration, a tillage chronosequence study was conducted at paired sites in(More)
Inoculants are of great importance in sustainable and/or organic agriculture. In the present study, plant growth of barley (Hordeum vulgare) has been studied in sterile soil inoculated with four plant growth-promoting bacteria and mineral fertilizers at three different soil bulk densities and in three harvests of plants. Three bacterial species were(More)
Several methods for measuring sulfite oxidases (EC 1.8.2.1 and EC 1.8.3.1) have been developed for microbial systems, but none have been systematically adopted for soils. We describe an assay method to measure sulfite oxidase in soil that is based on the use of potassium sulfite (K2SO3) serving as the substrate and electron donor, and potassium ferricyanide(More)
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