Paper · 2020 · Journal of Plant Nutrition

Effects of different sources of silicon and irrigation regime on rice yield components and silicon dynamics in the plant and soil

Mohammad Ali Bahmanyar; Fardin Sadegh-zade; Mostafa Emadi; et al.

9
claims
18
verbatim quotes
14
citations
2
research areas
—
Not open access

Abstract

The amount of monosilicic acid, plant absorbable silicon, released from fertilizers can be influenced by silicon source and soil properties. A pot experiment was conducted to investigate the effects of different sources of silicon application on rice under different irrigation regimes in 2018. The treatments included two Si doses (250 and 500 kg Si ha−1 as potassium silicate (Ps), sodium silicate (Ss), calcium silicate (Cs) and biochar (Bi) sources) under two irrigation regimes (continuous flooding (W1) and irrigation when perched 70% field capacity (W2)) in two soil series with different textures (sandy-loam (S1) and silty-clay (S2)). The experiment was laid out in a split-factorial design with three replications. The results showed that S1W1Bi1 and S2W1Ps1 treatments were the best treatments to reach maximum plant height, the number of tiller and 1000 grain weight. The highest silicon content of stem (52.1 mg Si kg−1), leaves (87.5 mg Si kg−1) and paddy (95.5 mg Si kg−1) was observed in S2W1Ps1 treatment. Based on these results, a yield depression was observed at the higher Si rates (500 kg ha−1 compared to 250 kg ha−1) in fertilizer treatments of potassium and sodium silicates in sandy-loam soil under W2 irrigation regimes. After harvest of rice, the highest residual Si concentration in both soils (S1: 82.0 mg Si kg−1; S2: 145.6 mg Si kg−1) was found in Ps1W1 treatment compared with the control. In conclusion, biochar and potassium silicate treatments showed the highest increase in growth and yield components in S1W1 and S2W1 conditions, respectively.

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Claims 9

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Silicon treatments S1W1Bi1 and S2W1Ps1 were the best treatments for maximum plant height, tiller number and 1000 grain weight of rice.

Treatment
S1W1Bi1 and S2W1Ps1e1
Outcome
maximum plant height, the number of tiller and 1000 grain weighte1
Direction
beste1

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

t0

“Effects of different sources of silicon and irrigation regime on rice yield components”

✓ located verbatim in the source · title, characters 0–86 · show in text ↑
e1

“The results showed that S1W1Bi1 and S2W1Ps1 treatments were the best treatments to reach maximum plant height, the number of tiller and 1000 grain weight”

✓ located verbatim in the source · abstract, characters 725–878 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The highest silicon content in rice stem (52.1 mg Si kg−1) was observed in S2W1Ps1 treatment.

Organ / stage
steme1
Treatment
S2W1Ps1e1
Outcome
silicon contente1
Direction
higheste1
Value
52.1 mg Si kg−1e1

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

t0

“Effects of different sources of silicon and irrigation regime on rice yield components”

✓ located verbatim in the source · title, characters 0–86 · show in text ↑
e1

“The highest silicon content of stem (52.1 mg Si kg−1), leaves (87.5 mg Si kg−1) and paddy (95.5 mg Si kg−1) was observed in S2W1Ps1 treatment”

✓ located verbatim in the source · abstract, characters 880–1021 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The highest silicon content in rice leaves (87.5 mg Si kg−1) was observed in S2W1Ps1 treatment.

Organ / stage
leavese1
Treatment
S2W1Ps1e1
Outcome
silicon contente1
Direction
higheste1
Value
87.5 mg Si kg−1e1

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

t0

“Effects of different sources of silicon and irrigation regime on rice yield components”

✓ located verbatim in the source · title, characters 0–86 · show in text ↑
e1

“The highest silicon content of stem (52.1 mg Si kg−1), leaves (87.5 mg Si kg−1) and paddy (95.5 mg Si kg−1) was observed in S2W1Ps1 treatment”

✓ located verbatim in the source · abstract, characters 880–1021 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The highest silicon content in rice paddy (95.5 mg Si kg−1) was observed in S2W1Ps1 treatment.

Organ / stage
paddye1
Treatment
S2W1Ps1e1
Outcome
silicon contente1
Direction
higheste1
Value
95.5 mg Si kg−1e1

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

t0

“Effects of different sources of silicon and irrigation regime on rice yield components”

✓ located verbatim in the source · title, characters 0–86 · show in text ↑
e1

“The highest silicon content of stem (52.1 mg Si kg−1), leaves (87.5 mg Si kg−1) and paddy (95.5 mg Si kg−1) was observed in S2W1Ps1 treatment”

✓ located verbatim in the source · abstract, characters 880–1021 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield of rice was depressed at the higher Si rate (500 kg ha−1 compared with 250 kg ha−1) with potassium and sodium silicates in sandy-loam soil under W2 irrigation.

Treatment
higher Si ratese1
Outcome
yielde1
Direction
depressione1
Comparator
250 kg ha−1e1
Setting
sandy-loam soile1

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

t0

“Effects of different sources of silicon and irrigation regime on rice yield components”

✓ located verbatim in the source · title, characters 0–86 · show in text ↑
e1

“a yield depression was observed at the higher Si rates (500 kg ha−1 compared to 250 kg ha−1) in fertilizer treatments of potassium and sodium silicates in sandy-loam soil under W2 irrigation regimes”

✓ located verbatim in the source · abstract, characters 1047–1245 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Residual silicon concentration in the S1 soil (82.0 mg Si kg−1) was highest under the Ps1W1 treatment compared with the control.

Treatment
Ps1W1e1
Outcome
residual Si concentratione1
Direction
higheste1
Value
82.0 mg Si kg−1e1
Comparator
controle1
Setting
S1e1

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

t0

“Effects of different sources of silicon and irrigation regime on rice yield components”

✓ located verbatim in the source · title, characters 0–86 · show in text ↑
e1

“the highest residual Si concentration in both soils (S1: 82.0 mg Si kg−1; S2: 145.6 mg Si kg−1) was found in Ps1W1 treatment compared with the control”

✓ located verbatim in the source · abstract, characters 1270–1420 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Residual silicon concentration in the S2 soil (145.6 mg Si kg−1) was highest under the Ps1W1 treatment compared with the control.

Treatment
Ps1W1e1
Outcome
residual Si concentratione1
Direction
higheste1
Value
145.6 mg Si kg−1e1
Comparator
controle1
Setting
S2e1

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

t0

“Effects of different sources of silicon and irrigation regime on rice yield components”

✓ located verbatim in the source · title, characters 0–86 · show in text ↑
e1

“the highest residual Si concentration in both soils (S1: 82.0 mg Si kg−1; S2: 145.6 mg Si kg−1) was found in Ps1W1 treatment compared with the control”

✓ located verbatim in the source · abstract, characters 1270–1420 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Biochar gave the highest increase in rice growth and yield components under S1W1 conditions.

Treatment
biochare1
Outcome
growth and yield componentse1
Direction
highest increasee1
Setting
S1W1e1

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

t0

“Effects of different sources of silicon and irrigation regime on rice yield components”

✓ located verbatim in the source · title, characters 0–86 · show in text ↑
e1

“biochar and potassium silicate treatments showed the highest increase in growth and yield components in S1W1 and S2W1 conditions”

✓ located verbatim in the source · abstract, characters 1437–1565 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium silicate gave the highest increase in rice growth and yield components under S2W1 conditions.

Treatment
potassium silicatee1
Outcome
growth and yield componentse1
Direction
highest increasee1
Setting
S2W1 conditionse1

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

t0

“Effects of different sources of silicon and irrigation regime on rice yield components”

✓ located verbatim in the source · title, characters 0–86 · show in text ↑
e1

“biochar and potassium silicate treatments showed the highest increase in growth and yield components in S1W1 and S2W1 conditions”

✓ located verbatim in the source · abstract, characters 1437–1565 · show in text ↑

silicon atom · yield · Oryza sativa (rice)Results differ

218 papers: 202 positive, 16 negative or no effect

15 papers in the same direction as this paper · 202 in the opposite direction

  1. positive
  2. positive
  3. positive

214 papers more in this group

See all 218 papers →

silicate(4-) · yield · Oryza sativa (rice)Positive and negative results

47 papers: 44 positive, 3 negative or no effect

43 papers in the same direction as this paper · 2 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect

43 papers more in this group

See all 47 papers →

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

147 papers: 135 positive, 12 negative or no effect

134 papers in the same direction as this paper · 12 in the opposite direction

  1. negative
  2. no effect
  3. no effect

143 papers more in this group

See all 147 papers →

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

383 papers: 344 positive, 39 negative or no effect

343 papers in the same direction as this paper · 34 in the opposite direction · 5 reporting no difference from an alternative

  1. no effect
  2. negative
  3. no effect

379 papers more in this group

See all 383 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.