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The recent advances in nanotechnology and its use in the field of agriculture are astonishingly increasing; therefore, it is important to understand their role in plant life. Four wheat cultivars soaked in different concentrations of TiO2-NPs (0.0%, 0.025 %, 0.05 %, 0.1 %, 0.2 % and 0.5 %) to select a concentration that stimulate cultivars growth under normal conditions during germination stage. Cultivar...
Influence of various saline media on Chlorella fusca growth, contents of photosynthetic pigments, and activity of the nitrate reductase (NRA) was determined. KCl, CaCl2, and MgCl2 in concentrations relative to NaCl as 1:1, 2:1, and 3:1 promote cell number, dry mass, and contents of photosynthetic pigments. The activity of NR was enhanced by Mg2+ and K+ and in some cases by Ca2+ at all ratios applied.
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