Abstract
A comprehensive study of the effects of lead (Pb) and cadmium (Cd) on the growth and development of agricultural crops (dill, lettuce, radish, spring wheat, sugar beet, potatoes) under conditions of model contamination of leached chernozem has been conducted. The processes of complexation of Pb2⁺ and Cd2⁺ ions with humic (HA) and fulvic acids (FC) have been studied using potentiometric titration, IR spectroscopy, and computer modeling. It was found that fulvic acids form stronger complexes with TM (lg K ust 8.2–8.9) than humic acids (lg K ust 4.3–4.5). Species differences in plant resistance were revealed: radish and spring wheat showed high tolerance to cadmium without reducing biomass, while lettuce and dill showed significant inhibition of growth, especially with the combined action of metals. The coefficients of biological accumulation (KBP) of TM were determined, which showed that potatoes actively accumulate metals (KBP > 1), which poses a risk to food safety. The results of the work are important for forecasting environmental risks and developing methods for the rehabilitation of polluted lands.
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Claims 5
Claim · model-written summary
Radish tolerated cadmium without biomass reduction.
- Taxon
- radish
Raphanus sativuse0 - Treatment
- cadmiume0
- Outcome
- biomasse0
- Direction
- without reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“radish and spring wheat showed high tolerance to cadmium without reducing biomass”
Claim · model-written summary
Spring wheat tolerated cadmium without biomass reduction.
- Taxon
- spring wheat
Triticum aestivume0 - Treatment
- cadmiume0
- Outcome
- biomasse0
- Direction
- without reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“radish and spring wheat showed high tolerance to cadmium without reducing biomass”
Claim · model-written summary
Lettuce growth was significantly inhibited, especially with combined metals.
- Taxon
- lettuce
Lactuca sativae0 - Treatment
- combined action of metalse0
- Outcome
- growthe0
- Direction
- inhibitione0
- Qualifier
- especially with the combined action of metalse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lettuce and dill showed significant inhibition of growth, especially with the combined action of metals”
Claim · model-written summary
Dill growth was significantly inhibited, especially with combined metals.
- Taxon
- dill
Anethum graveolense0 - Treatment
- combined action of metalse0
- Outcome
- growthe0
- Direction
- inhibitione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lettuce and dill showed significant inhibition of growth, especially with the combined action of metals”
Claim · model-written summary
Potatoes accumulated metals with KBP above one.
- Taxon
- potatoes
Solanum tuberosume0 - Outcome
- accumulate metalse0
- Direction
- actively accumulatee0
- Value
- KBP > 1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“potatoes actively accumulate metals (KBP > 1)”
The same questions in other papers
cadmium atom · growth · Triticum aestivum (wheat)Results differ
19 papers in the same direction as this paper · 90 in the opposite direction
- negative
- negative
- negative
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See all 110 papers →cadmium atom · growth · Raphanus sativus (radish)Positive and negative results
13 in the opposite direction
- negative
- negative
- negative
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See all 14 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.