Paper · 2015

Comparative evaluation of SRI with conventional system in the irrigated rice tracts of Kerala

Musthafa Kunnathadi; C. T. Abraham; C. George Thomas; et al.

6
claims
11
verbatim quotes
6
citations
2
research areas
—
Not open access

Abstract

An experiment was conducted to assess the performance of rice under the system of rice intensification (SRI) in comparison with the conventional system of cultivation. The field studies were carried out during the rabi seasons of 2007 and 2008 in the lateritic sandy clay loam soils of RARS, Pattambi, Palakkad district in Kerala, having pH 5.00 and medium fertility, in RBD with 16 treatments replicated thrice. The weed density and dry weight were higher in SRI. Growth parameters such as plant height, number of tillers hill-1 and dry matter production hill-1, and yield parameters like number of productive tillers hill-1 and length of panicle were significantly higher in the SRI treatments, whereas the tiller density, dry matter production per unit area, the grain yield per hectare and the B:C ratio were higher in the conventional system. Hence it is concluded that in the irrigated rice tracts of Kerala conventional system of rice cultivation is more advantageous than the SRI in terms of crop yield and economics of cultivation.

Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher.

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 6

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Weed density and dry weight were higher under SRI.

Treatment
SRIe0
Interactor
weede0weed
Outcome
weed density and dry weighte0
Direction
highere0

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 weed density and dry weight were higher in SRI.”

✓ located verbatim in the source · abstract, characters 413–464 · show in text ↑
t0

“rice”

✓ located verbatim in the source · title, characters 72–76 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Plant height, tillers per hill and dry matter per hill were significantly higher under SRI.

Treatment
SRI treatmentse0
Outcome
plant height, number of tillers hill-1 and dry matter production hill-1e0
Direction
highere0

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

“plant height, number of tillers hill-1 and dry matter production hill-1, and yield parameters like number of productive tillers hill-1 and length of panicle were significantly higher in the SRI treatments”

✓ located verbatim in the source · abstract, characters 491–695 · show in text ↑
t0

“rice”

✓ located verbatim in the source · title, characters 72–76 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Productive tillers per hill and panicle length were significantly higher under SRI.

Treatment
SRI treatmentse0
Outcome
number of productive tillers hill-1 and length of paniclee0
Direction
highere0

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

“number of productive tillers hill-1 and length of panicle were significantly higher in the SRI treatments”

✓ located verbatim in the source · abstract, characters 590–695 · show in text ↑
t0

“rice”

✓ located verbatim in the source · title, characters 72–76 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Tiller density, dry matter per area and grain yield were higher with conventional cultivation.

Treatment
conventional systeme0
Outcome
tiller density, dry matter production per unit area, the grain yield per hectaree0
Direction
highere0

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 tiller density, dry matter production per unit area, the grain yield per hectare and the B:C ratio were higher in the conventional system.”

✓ located verbatim in the source · abstract, characters 705–847 · show in text ↑
t0

“rice”

✓ located verbatim in the source · title, characters 72–76 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Benefit to cost ratio was higher with conventional cultivation.

Treatment
conventional systeme0
Outcome
B:C ratioe0
Direction
highere0

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 B:C ratio were higher in the conventional system.”

✓ located verbatim in the source · abstract, characters 794–847 · show in text ↑
t0

“rice”

✓ located verbatim in the source · title, characters 72–76 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors conclude conventional irrigated rice cultivation is more advantageous for yield and economics.

Outcome
conventional system of rice cultivation is more advantageous than the SRI in terms of crop yield and economics of cultivatione0
Setting
Keralae0

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

“in the irrigated rice tracts of Kerala conventional system of rice cultivation is more advantageous than the SRI in terms of crop yield and economics of cultivation.”

✓ located verbatim in the source · abstract, characters 875–1040 · show in text ↑

irrigation · weed · Oryza sativa (rice)Positive and negative results

32 papers: 25 positive, 7 negative or no effect

6 papers in the same direction as this paper · 25 in the opposite direction

  1. positive
  2. positive
  3. positive

28 papers more in this group

See all 32 papers →

cultivation system · yield · Oryza sativa (rice)Positive and negative results

154 papers: 125 positive, 29 negative or no effect

124 papers in the same direction as this paper · 26 in the opposite direction · 3 reporting no difference from an alternative

  1. negative
  2. no effect
  3. negative

150 papers more in this group

See all 154 papers →

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

1,171 papers: 906 positive, 265 negative or no effect

905 papers in the same direction as this paper · 201 in the opposite direction · 64 reporting no difference from an alternative

  1. positive
  2. negative
  3. negative

1,167 papers more in this group

See all 1,171 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.