Paper · 2008 · Journal of Metals Materials and Minerals

Application of chitosan in rice production

S. Boonlertnirun; C Boonraung; R Suvanasara

2
claims
3
verbatim quotes
107
citations
2
research areas
—
Not open access

Abstract

Chitosan is a natural biopolymer which stimulates growth and increases yield of plants as well as induces the immune system of plants. The objectives of this study were to determine appropriate applications for increasing of the rice yield. The experiment was performed with randomized complete block design (RCBD) with four replications. Four treatments were done as follows: no chitosan application, seed soaking with chitosan solution, seed soaking and soil application with chitosan solution and seed soaking and foliar spraying with chitosan solution. The results showed that application of chitosan by seed soaking and soil application four times throughout cropping season significantly increased rice yield over the other treatments whereas application by seed soaking and spraying the foliar four times tended to show an ability on disease control. However, it did not show statistically significant differences when compared with the control.

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Claims 2

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Chitosan applied by seed soaking plus soil application four times across the cropping season significantly increased rice yield relative to the other treatments.

Treatment
application of chitosan by seed soaking and soil application four times throughout cropping seasone1
Outcome
rice yielde1
Direction
increasede1
Comparator
the other treatmentse1
Setting
cropping seasone1

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

e1

“application of chitosan by seed soaking and soil application four times throughout cropping season significantly increased rice yield over the other treatments”

✓ located verbatim in the source · abstract, characters 581–740 · show in text ↑
Intervention effectobservedoriginal resultpositivenot significant (as stated)measured

Claim · model-written summary

Chitosan applied by seed soaking plus four foliar sprays tended to show an ability to control disease, without a statistically significant difference from the control.

Treatment
application by seed soaking and spraying the foliar four timese2
Outcome
disease controle2
Comparator
the controle2

Not reportedDirection

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

“Application of chitosan in rice production”

✓ located verbatim in the source · title, characters 0–42 · show in text ↑
e2

“application by seed soaking and spraying the foliar four times tended to show an ability on disease control. However, it did not show statistically significant differences when compared with the control”

✓ located verbatim in the source · abstract, characters 749–951 · show in text ↑

chitosan · yield · Oryza sativa (rice)Results agree

9 papers: 9 positive, 0 negative or no effect

8 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

5 papers more in this group

See all 9 papers →

seed treatment · control · Oryza sativa (rice)Positive and negative results

20 papers: 18 positive, 2 negative or no effect

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

  1. negative
  2. no effect
  3. positive

16 papers more in this group

See all 20 papers →

application · control · Oryza sativa (rice)Positive and negative results

38 papers: 35 positive, 3 negative or no effect

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

  1. negative
  2. no effect
  3. no effect

34 papers more in this group

See all 38 papers →

seed treatment · yield · Oryza sativa (rice)Positive and negative results

166 papers: 159 positive, 7 negative or no effect

158 papers in the same direction as this paper · 6 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. no effect
  3. no effect

162 papers more in this group

See all 166 papers →

climate site · yield · Oryza sativa (rice)Positive and negative results

172 papers: 110 positive, 62 negative or no effect

109 papers in the same direction as this paper · 59 in the opposite direction · 3 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

168 papers more in this group

See all 172 papers →

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

691 papers: 645 positive, 46 negative or no effect

644 papers in the same direction as this paper · 37 in the opposite direction · 9 reporting no difference from an alternative

  1. positive
  2. negative
  3. no effect

687 papers more in this group

See all 691 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.