Abstract
Soil cadmium (Cd) contamination affects human health, and the application of phosphorus (P) fertilizer can inhibit the toxic effects of Cd; however, the effects of different P fertilizers on Cd accumulation in calcareous soils are unknown. To address this point, this paper used a pot experiment with four P fertilizer types (monoammonium phosphate (MAP), superphosphate (SSP), diammonium phosphate (DAP), and dicalcium phosphate (DCP)) and four P fertilizer levels (0, 0.15, 0.25, and 0.35 g kg−1, P per kg of soil). The effects of P application on the biomass of eggplant, Cd content, bioconcentration factors, translocation factor, yield quality, and soil Cd morphology changes in a Cd-contaminated environment were explored. Applying 0.35 g kg−1 of DCP significantly increased eggplant biomass while reducing Cd accumulation, concentration, and transport within eggplants under Cd contamination. The P fertilizer changed the distribution of soil Cd morphology. A redundancy analysis identified Cd content in the residual and Fe/Mn oxides-bound states as the primary factors influencing Cd levels in plants. In summary, the application of 0.35 g kg−1 DCP proved most efficient in mitigating Cd accumulation in eggplants under Cd-induced stress conditions.
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Claims 5
Claim · model-written summary
DCP at 0.35 g kg−1 significantly increased eggplant biomass under cadmium contamination.
- Taxon
- eggplant
Solanum melongenae0 - Treatment
- 0.35 g kg−1 of DCPe0
- Outcome
- eggplant biomasse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Applying 0.35 g kg−1 of DCP significantly increased eggplant biomass while reducing Cd accumulation, concentration, and transport within eggplants under Cd contamination.”
Claim · model-written summary
DCP at 0.35 g kg−1 reduced cadmium accumulation, concentration and transport in eggplants under cadmium contamination.
- Taxon
- eggplantsSolanum melongenae0
- Treatment
- 0.35 g kg−1 of DCPe0
- Outcome
- Cd accumulation, concentration, and transport within eggplantse0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Applying 0.35 g kg−1 of DCP significantly increased eggplant biomass while reducing Cd accumulation, concentration, and transport within eggplants under Cd contamination.”
Claim · model-written summary
Phosphorus fertilizer changed the distribution of soil cadmium forms.
- Taxon
- EggplantSolanum melongenat0
- Treatment
- P fertilizere0
- Outcome
- distribution of soil Cd morphologye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Eggplant”
e0“The P fertilizer changed the distribution of soil Cd morphology.”
Claim · model-written summary
Residual and Fe/Mn oxides-bound soil cadmium were the primary factors influencing plant cadmium levels.
- Taxon
- EggplantSolanum melongenat0
- Compound
- Cde0
- Outcome
- Cd levels in plantse0
- Qualifier
- Cd content in the residual and Fe/Mn oxides-bound statese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Eggplant”
e0“A redundancy analysis identified Cd content in the residual and Fe/Mn oxides-bound states as the primary factors influencing Cd levels in plants.”
Claim · model-written summary
The authors judged 0.35 g kg−1 DCP most efficient at mitigating cadmium accumulation in eggplants under cadmium stress.
- Taxon
- eggplantsSolanum melongenae0
- Outcome
- application of 0.35 g kg−1 DCPe0
- Qualifier
- mitigating Cd accumulatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of 0.35 g kg−1 DCP proved most efficient in mitigating Cd accumulation in eggplants under Cd-induced stress conditions.”
The same questions in other papers
phosphorus · nutrient: content · Solanum melongena (eggplant)Positive and negative results
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- positive
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See all 10 papers →phosphorus · growth · Solanum melongena (eggplant)Positive and negative results
11 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
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See all 13 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.