Abstract
Metal contamination of soil due to industrial and agricultural activities is increasingly becoming a global problem, thereby affecting animal and human life, thus rendering soil unsuitable for agricultural purposes. Remediation of cadmium (Cd) contaminated soil (Vertisol) using agricultural by products as source of organic amendments, Coir pith-a by-product of the coir industry and Prosopis charcoal-prepared by burning Prosopis plant wood (Prosopis juliflora L.) was investigated. The alleviation potential of Prosopis charcoal and Coir pith on the negative effects of Cd in soil was evaluated in pot culture experiments with Vigna radiata as the test plant, a Cd accumulator. Cadmium addition to soil resulted in accumulation of Cd in all plant parts of V. radiata predominantly in roots. The influence of Cd in the presence and absence of organic amendments on the various biological and chemical parameters of the soil, on the levels of Cd accumulation and on the growth attributes of V. radiata has been assessed. Among the organic amendments, Prosopis charcoal was found to be more effective in reducing the bioavailable levels of Cd in the soil artificially spiked with Cd in graded concentrations of 0, 5, 10, 20, 40, 60, 80 and 100 g g -1 and its accumulation in V. radiata, thus resulting in an increase in the root, leaf and stem biomass. Coir pith, however, was effective in increasing the total mycorrhizal colonization of roots and second in reducing Cd levels in plants. Therefore, Prosopis charcoal was considered best for stabilization of Cd in soil.
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Claims 6
Claim · model-written summary
Cadmium addition accumulated Cd throughout V. radiata, predominantly in roots.
- Taxon
- V. radiata
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Vigna radiatae0 - Organ / stage
- rootse0
- Treatment
- Cadmium addition to soile0
- Outcome
- accumulation of Cd in all plant partse0
- Direction
- accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Cadmium addition to soil resulted in accumulation of Cd in all plant parts of V. radiata predominantly in roots.”
Claim · model-written summary
Prosopis charcoal reduced Cd accumulation in V. radiata.
- Taxon
- V. radiataVigna radiatae0
- Treatment
- Prosopis charcoale0
- Outcome
- accumulation in V. radiatae0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prosopis charcoal was found to be more effective in reducing the bioavailable levels of Cd in the soil artificially spiked with Cd in graded concentrations of 0, 5, 10, 20, 40, 60, 80 and 100 g g -1 and its accumulation in V. radiata”
Claim · model-written summary
Prosopis charcoal increased root, leaf and stem biomass in V. radiata.
- Taxon
- V. radiataVigna radiatae0
- Treatment
- Prosopis charcoale0
- Outcome
- root, leaf and stem biomasse0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prosopis charcoal was found to be more effective in reducing the bioavailable levels of Cd in the soil artificially spiked with Cd in graded concentrations of 0, 5, 10, 20, 40, 60, 80 and 100 g g -1 and its accumulation in V. radiata, thus resulting in an increase in the root, leaf and stem biomass.”
Claim · model-written summary
Coir pith increased mycorrhizal colonization of roots.
- Taxon
- V. radiataVigna radiatae1
- Treatment
- Coir pithe0
- Outcome
- total mycorrhizal colonization of rootse0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Coir pith, however, was effective in increasing the total mycorrhizal colonization of roots and second in reducing Cd levels in plants.”
e1“Cd in all plant parts of V. radiata predominantly in roots”
Claim · model-written summary
Coir pith reduced plant Cd levels, ranking second among amendments.
- Taxon
- V. radiataVigna radiatae1
- Treatment
- Coir pithe0
- Outcome
- Cd levels in plantse0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Coir pith, however, was effective in increasing the total mycorrhizal colonization of roots and second in reducing Cd levels in plants.”
e1“Cd in all plant parts of V. radiata predominantly in roots”
Claim · model-written summary
The authors considered Prosopis charcoal best for stabilizing Cd in soil.
- Taxon
- V. radiataVigna radiatae1
- Outcome
- Prosopis charcoal was considered best for stabilization of Cd in soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Therefore, Prosopis charcoal was considered best for stabilization of Cd in soil.”
e1“Cd in all plant parts of V. radiata predominantly in roots”
The same questions in other papers
charcoal · growth · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
cadmium atom · molecular: metabolites · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- negative
- negative
growing medium · disease · Vigna radiata (mung bean)Positive and negative results
1 in the opposite direction
- negative
growing medium · nutrient: content · Vigna radiata (mung bean)Results agree
1 paper in the same direction as this paper
- 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.