Abstract
A pot experiment was conducted to investigate the effects of the rock phosphate application on accumulation and translocation of heavy metals from the soil to the roots, shoots and fruits of eggplant (Solanum melongena L.) grown in a sewage sludge amended soil contaminated with Cd, Pb and Ni were 30, 30 and 60 mgkg-1, respectively. The obtained results demonstrated that the sewage sludge application caused a significance accumulation of metals in the fruits of eggplant. The concentrations of these metals in the fruits were in the order of: Pb > Cd > Ni. The fruits of eggplant were not safe for the human consumption, because the levels of heavy metals exceeded the permissible limits. These, heavy metals in different parts of eggplant can be ranked in the order of: roots > shoots > fruits, were (mgkg-1). The soil-plant transfer factor (TF) showed that the order of uptake of metals by eggplant was: Cd > Ni > Pb. This calls for concern especially in the case of Pb and Cd which are highly toxic and of no known biological use. Therefore, Eggplant should not be cultivated in the farms and fields which use sewage sludge contaminated with heavy metals as an amendment.
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Claims 6
Claim · model-written summary
Sewage sludge application increased metal accumulation in eggplant fruits
- Taxon
- eggplant
Solanum melongenae0 - Organ / stage
- fruitse1
- Treatment
- sewage sludge applicatione1
- Outcome
- accumulation of metals in the fruitse1
- Direction
- accumulatione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“eggplant (Solanum melongena L.) grown in a sewage sludge amended soil”
e1“the sewage sludge application caused a significance accumulation of metals in the fruits of eggplant”
Claim · model-written summary
Metal concentrations in eggplant fruits were in the order Pb > Cd > Ni
- Taxon
- eggplantSolanum melongenae0
- Organ / stage
- fruitse2
- Outcome
- concentrations of these metals in the fruitse2
- Qualifier
- Pb > Cd > Nie2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“eggplant (Solanum melongena L.) grown in a sewage sludge amended soil”
e2“The concentrations of these metals in the fruits were in the order of: Pb > Cd > Ni”
Claim · model-written summary
Heavy metal concentrations in eggplant were highest in roots and lowest in fruits
- Taxon
- eggplantSolanum melongenae4
- Outcome
- heavy metals in different parts of eggplante4
- Qualifier
- roots > shoots > fruitse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“These, heavy metals in different parts of eggplant can be ranked in the order of: roots > shoots > fruits”
Claim · model-written summary
Eggplant fruits were not safe for human consumption because heavy metal levels exceeded the permissible limits
- Taxon
- eggplantSolanum melongenae3
- Outcome
- not safe for the human consumptione3
- Qualifier
- levels of heavy metals exceeded the permissible limitse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The fruits of eggplant were not safe for the human consumption, because the levels of heavy metals exceeded the permissible limits”
Claim · model-written summary
Eggplant metal uptake order was Cd > Ni > Pb by soil-plant transfer factor
- Taxon
- eggplantSolanum melongenae5
- Outcome
- order of uptake of metalse5
- Qualifier
- Cd > Ni > Pbe5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The soil-plant transfer factor (TF) showed that the order of uptake of metals by eggplant was: Cd > Ni > Pb”
Claim · model-written summary
Eggplant should not be cultivated on farms that use metal-contaminated sewage sludge as an amendment
- Taxon
- EggplantSolanum melongenae6
- Outcome
- not be cultivated in the farms and fields which use sewage sludgee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Therefore, Eggplant should not be cultivated in the farms and fields which use sewage sludge contaminated with heavy metals as an amendment”
The same questions in other papers
organic · molecular: metabolites · Solanum melongena (eggplant)Positive and negative results
1 in the opposite direction
- positive
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.