Publications by authors named "Tcyganova Nadezhda"
Influence of soil properties and aging on exogenous antimony toxicity to Caenorhabditis elegans in agricultural soil.
Environ Sci Pollut Res Int
February 2024
Article Synopsis
- The study investigates how soil affects the aging and toxicity of antimony (Sb) on nematodes, which are important for nitrogen cycling in agriculture.
- Key findings show that nematode reproduction is more sensitive to trivalent antimony (Sb(III)) toxicity than other growth measures, with toxicity increasing significantly over time in contaminated soils.
- The research highlights that soil pH is a major factor influencing the aging of Sb toxicity, suggesting that evaluating Sb risk in soils requires considering both aging processes and specific soil conditions to improve environmental management strategies.
Biochar and zeolite have been demonstrated effective to remove heavy metals in soil; however, the effect of combined application of the both materials on the fraction of Cd and soil-plant system are largely unknown. Cd fractions in soil, growth and Cd uptake of Pak Choi were measured after the combined application of biochar (0, 5, 10 and 20 g·kg) and nano-zeolite (0, 5, 10, 20 g·kg) by pot experiment. Results showed that both single and combined application reduced the exchangeable Cd in soil and improved the plant growth.
View Article and Find Full Text PDFPrevious studies have suggested that multiwalled carbon nanotubes (MWCNTs) promote plant growth; however, the mechanism is yet to be fully understood. In this study, the effects of MWCNTs (20, 100, and 500 mg/L) on the carbon (C) and nitrogen (N) metabolism in maize were studied to explore the molecular mechanism of the action of MWCNTs on plants. The results showed that 100 mg/L MWCNTs increased the shoot fresh and dry weight, root fresh weight, and seedling length while other doses showed no significant effects.
View Article and Find Full Text PDF