Paper · 2013 · Journal of the Indian Society of Soil Science

Effect of Sewage Sludge and Fertilizers Application on Accumulation of Heavy Metals and Yield of Rice (Oryza sativa L.) in an Inceptisol of Varanasi

A.M. Latare; Satendra Kumar Singh

13
claims
26
verbatim quotes
9
citations
2
research areas
✓
Open access

Abstract

A greenhouse study was conducted during July to October 2009 to find out the effect of conjoint application of sewage sludge and fertilizers on yield and heavy metals accumulation in rice. Five doses of sewage sludge as 0, 10, 20, 30 and 40 t ha−1 were applied along with five levels of recommended dose of fertilizer (RDF as 0, 25, 50, 75 and 100%). Results of this study showed a significant increase in test weight and grain and straw yield. However, the values for harvest index were non-significant for different doses of sewage sludge. About 33 and 46% increase in grain yield was observed over control in the treatments where 100% RDF without sludge and 40 t ha−1 sewage sludge without RDF was applied, respectively. Highest grain yield was recorded in the treatment where 40 t ha−1 sewage sludge was applied along with 100% RDF. Application of sewage sludge along with fertilizers also increased Ni, Cr, Cd and Pb content in rice straw and grain. It was about 7, 5, 5 and 10 times increase in Cd, Cr, Ni and Pb content, respectively in rice grain and about 7, 3, 7 and 2 times increase in rice straw over their control.

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Claims 13

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Conjoint sludge and fertilizer application significantly increased test weight, grain yield and straw yield.

Treatment
conjoint application of sewage sludge and fertilizerse1
Outcome
test weight and grain and straw yielde0
Direction
increasee0
Setting
greenhousee1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Results of this study showed a significant increase in test weight and grain and straw yield.”

✓ located verbatim in the source · abstract, characters 351–444 · show in text ↑
e1

“A greenhouse study was conducted during July to October 2009 to find out the effect of conjoint application of sewage sludge and fertilizers on yield and heavy metals accumulation in rice.”

✓ located verbatim in the source · abstract, characters 0–188 · show in text ↑
Intervention effectobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Harvest index did not differ significantly among sewage sludge doses.

Treatment
different doses of sewage sludgee0
Outcome
harvest indexe0
Direction
non-significante0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“the values for harvest index were non-significant for different doses of sewage sludge.”

✓ located verbatim in the source · abstract, characters 454–541 · show in text ↑
t0

“Rice”

✓ located verbatim in the source · title, characters 97–101 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

100% RDF without sludge increased grain yield about 33% over control.

Treatment
100% RDF without sludgee0
Outcome
grain yielde0
Direction
increasee0
Value
33e0
Qualifier
About 33 and 46%e0
Comparator
controle0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“About 33 and 46% increase in grain yield was observed over control in the treatments where 100% RDF without sludge and 40 t ha−1 sewage sludge without RDF was applied, respectively.”

✓ located verbatim in the source · abstract, characters 542–723 · show in text ↑
t0

“Rice”

✓ located verbatim in the source · title, characters 97–101 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

40 t ha−1 sludge without RDF increased grain yield about 46% over control.

Treatment
40 t ha−1 sewage sludge without RDFe0
Outcome
grain yielde0
Direction
increasee0
Value
46%e0
Comparator
controle0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“About 33 and 46% increase in grain yield was observed over control in the treatments where 100% RDF without sludge and 40 t ha−1 sewage sludge without RDF was applied, respectively.”

✓ located verbatim in the source · abstract, characters 542–723 · show in text ↑
t0

“Rice”

✓ located verbatim in the source · title, characters 97–101 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

40 t ha−1 sludge with 100% RDF produced the highest grain yield.

Treatment
40 t ha−1 sewage sludge was applied along with 100% RDFe0
Outcome
grain yielde0
Direction
Higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Highest grain yield was recorded in the treatment where 40 t ha−1 sewage sludge was applied along with 100% RDF.”

✓ located verbatim in the source · abstract, characters 724–836 · show in text ↑
t0

“Rice”

✓ located verbatim in the source · title, characters 97–101 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sludge with fertilizers increased grain Cd content about sevenfold over control.

Organ / stage
rice graine1
Treatment
Application of sewage sludge along with fertilizerse0
Outcome
Cde1
Direction
increasee1
Value
7e1
Qualifier
about 7, 5, 5 and 10 timese1
Comparator
controle1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Application of sewage sludge along with fertilizers also increased Ni, Cr, Cd and Pb content in rice straw and grain.”

✓ located verbatim in the source · abstract, characters 837–954 · show in text ↑
e1

“It was about 7, 5, 5 and 10 times increase in Cd, Cr, Ni and Pb content, respectively in rice grain and about 7, 3, 7 and 2 times increase in rice straw over their control.”

✓ located verbatim in the source · abstract, characters 955–1127 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sludge with fertilizers increased grain Cr content about fivefold over control.

Organ / stage
rice graine1
Treatment
Application of sewage sludge along with fertilizerse0
Outcome
Cre1
Direction
increasee1
Value
5e1
Qualifier
about 7, 5, 5 and 10 timese1
Comparator
controle1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Application of sewage sludge along with fertilizers also increased Ni, Cr, Cd and Pb content in rice straw and grain.”

✓ located verbatim in the source · abstract, characters 837–954 · show in text ↑
e1

“It was about 7, 5, 5 and 10 times increase in Cd, Cr, Ni and Pb content, respectively in rice grain and about 7, 3, 7 and 2 times increase in rice straw over their control.”

✓ located verbatim in the source · abstract, characters 955–1127 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sludge with fertilizers increased grain Ni content about fivefold over control.

Organ / stage
rice graine1
Treatment
Application of sewage sludge along with fertilizerse0
Outcome
Nie1
Direction
increasee1
Value
5e1
Qualifier
about 7, 5, 5 and 10 timese1
Comparator
controle1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Application of sewage sludge along with fertilizers also increased Ni, Cr, Cd and Pb content in rice straw and grain.”

✓ located verbatim in the source · abstract, characters 837–954 · show in text ↑
e1

“It was about 7, 5, 5 and 10 times increase in Cd, Cr, Ni and Pb content, respectively in rice grain and about 7, 3, 7 and 2 times increase in rice straw over their control.”

✓ located verbatim in the source · abstract, characters 955–1127 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sludge with fertilizers increased grain Pb content about tenfold over control.

Organ / stage
rice graine1
Treatment
Application of sewage sludge along with fertilizerse0
Outcome
Pb contente1
Direction
increasee1
Value
10 timese1
Comparator
controle1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Application of sewage sludge along with fertilizers also increased Ni, Cr, Cd and Pb content in rice straw and grain.”

✓ located verbatim in the source · abstract, characters 837–954 · show in text ↑
e1

“It was about 7, 5, 5 and 10 times increase in Cd, Cr, Ni and Pb content, respectively in rice grain and about 7, 3, 7 and 2 times increase in rice straw over their control.”

✓ located verbatim in the source · abstract, characters 955–1127 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sludge with fertilizers increased straw Cd content about sevenfold over control.

Organ / stage
rice strawe1
Treatment
Application of sewage sludge along with fertilizerse0
Outcome
Cde1
Direction
increasee1
Value
7e1
Qualifier
about 7, 3, 7 and 2 timese1
Comparator
controle1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Application of sewage sludge along with fertilizers also increased Ni, Cr, Cd and Pb content in rice straw and grain.”

✓ located verbatim in the source · abstract, characters 837–954 · show in text ↑
e1

“It was about 7, 5, 5 and 10 times increase in Cd, Cr, Ni and Pb content, respectively in rice grain and about 7, 3, 7 and 2 times increase in rice straw over their control.”

✓ located verbatim in the source · abstract, characters 955–1127 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sludge with fertilizers increased straw Cr content about threefold over control.

Organ / stage
rice strawe1
Treatment
Application of sewage sludge along with fertilizerse0
Outcome
Cre1
Direction
increasee1
Value
3e1
Qualifier
about 7, 3, 7 and 2 timese1
Comparator
controle1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Application of sewage sludge along with fertilizers also increased Ni, Cr, Cd and Pb content in rice straw and grain.”

✓ located verbatim in the source · abstract, characters 837–954 · show in text ↑
e1

“It was about 7, 5, 5 and 10 times increase in Cd, Cr, Ni and Pb content, respectively in rice grain and about 7, 3, 7 and 2 times increase in rice straw over their control.”

✓ located verbatim in the source · abstract, characters 955–1127 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sludge with fertilizers increased straw Ni content about sevenfold over control.

Organ / stage
rice strawe1
Treatment
Application of sewage sludge along with fertilizerse0
Outcome
Nie1
Direction
increasee1
Value
7e1
Qualifier
about 7, 3, 7 and 2 timese1
Comparator
controle1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Application of sewage sludge along with fertilizers also increased Ni, Cr, Cd and Pb content in rice straw and grain.”

✓ located verbatim in the source · abstract, characters 837–954 · show in text ↑
e1

“It was about 7, 5, 5 and 10 times increase in Cd, Cr, Ni and Pb content, respectively in rice grain and about 7, 3, 7 and 2 times increase in rice straw over their control.”

✓ located verbatim in the source · abstract, characters 955–1127 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sludge with fertilizers increased straw Pb content about twofold over control.

Organ / stage
rice strawe1
Treatment
Application of sewage sludge along with fertilizerse0
Outcome
Pb contente1
Direction
increasee1
Value
2 timese1
Comparator
controle1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Application of sewage sludge along with fertilizers also increased Ni, Cr, Cd and Pb content in rice straw and grain.”

✓ located verbatim in the source · abstract, characters 837–954 · show in text ↑
e1

“It was about 7, 5, 5 and 10 times increase in Cd, Cr, Ni and Pb content, respectively in rice grain and about 7, 3, 7 and 2 times increase in rice straw over their control.”

✓ located verbatim in the source · abstract, characters 955–1127 · show in text ↑

organic · quality: grain · Oryza sativa (rice)Positive and negative results

9 papers: 8 positive, 1 negative or no effect

7 papers in the same direction as this paper · 1 in the opposite direction

  1. positive
  2. no effect
  3. positive

5 papers more in this group

See all 9 papers →

organic · nutrient: content · Oryza sativa (rice)Positive and negative results

106 papers: 96 positive, 10 negative or no effect

9 papers in the same direction as this paper · 96 in the opposite direction

  1. positive
  2. negative
  3. positive

102 papers more in this group

See all 106 papers →

fertilization · quality: grain · Oryza sativa (rice)Positive and negative results

148 papers: 129 positive, 19 negative or no effect

128 papers in the same direction as this paper · 17 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

144 papers more in this group

See all 148 papers →

organic · yield · Oryza sativa (rice)Positive and negative results

327 papers: 279 positive, 48 negative or no effect

278 papers in the same direction as this paper · 37 in the opposite direction · 11 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

323 papers more in this group

See all 327 papers →

fertilization · nutrient: content · Oryza sativa (rice)Positive and negative results

993 papers: 932 positive, 61 negative or no effect

60 papers in the same direction as this paper · 932 in the opposite direction

  1. positive
  2. negative
  3. positive

989 papers more in this group

See all 993 papers →

fertilization · yield · Oryza sativa (rice)Positive and negative results

3,455 papers: 3,183 positive, 272 negative or no effect

3,182 papers in the same direction as this paper · 207 in the opposite direction · 65 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

3,451 papers more in this group

See all 3,455 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.