Abstract
The active development of nanotechnologies, accompanied by wide use of nanoparticles in various industries, necessitates to study its effect on higher plants. The studies were conducted in the summer of 2019 in a territory located near the village Vozdvizhenka of Ponomarevsky district (Orenburg region, Russia). The plot was divided into micro-plots and nanoparticles of Fe3O were introduced onto the surfaces at doses of 1000 mg/kg, 750 mg/kg, 500 mg/kg, 250 mg/kg and 100 mg/kg. During the experiment, test plants were sown, and then we determined a set of their vital and morphometric indicators. The results allow us to conclude that of the entire set of parameters, the most sensitive test object when setting the germination test is Raphanus sativus. According to certain morphometric indicators, the most informative is the use of Lepidium sativum in the experiment. In general, the nanooxide in small doses used in the study increased the productivity of plants, which indicates the need for further studies to assess the prospects of its use in crop production.
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