Paper · 2009 · The Indian Journal of Agricultural Sciences

Evaluation of cotton (Gossypium hirsutum)-based intercropping system through different approaches under rainfed conditions.

P. Raghu Rami Reddy; Shaik Mohammad

11
claims
11
verbatim quotes
7
citations
1
research areas
✓
Open access

Abstract

A study was conducted during 2004–06 to assess the intercropping of cotton (Gossypium hirsutum L.) with different components through different approaches. The univariate approach of transforming the total productivity in the intercropping systems to yield equivalent of cotton established that the intercropping of cowpea [Vigna unguiculata (L) Walp.], blackgram [Phaseolus mungo (L) Hepper.] or greengram [Phaseolus radiatus (L) Wilczek.] was significantly superior. Bivariate analysis of variance highlighted that the intercropping of two rows of cowpea, greengram or blackgram between uniform rows of 90 cm in cotton as the most highly productive systems. The LERs were more than unity by intercropping with all crops except with sesame (Sesamum indicum L.) in uniform row planting. Intercropping cowpea provided high LER of 1.57. The effective land equivalent ratios and staple land equivalent ratios for an array of standardized yield proportions are furnished graphically. The results based on profitability of the intercropping systems were not similar. The relative net returns index showed that the intercropping of sesame, soybean or groundnut are not profitable than the sole crop of cotton.

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Claims 11

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Cowpea intercropping was significantly superior in cotton equivalent yield.

Treatment
intercropping of cowpeae0
Outcome
superiore0
Direction
superiore0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“yield equivalent of cotton established that the intercropping of cowpea [Vigna unguiculata (L) Walp.], blackgram [Phaseolus mungo (L) Hepper.] or greengram [Phaseolus radiatus (L) Wilczek.] was significantly superior.”

✓ located verbatim in the source · abstract, characters 250–467 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Blackgram intercropping was significantly superior in cotton equivalent yield.

Treatment
blackgrame0
Outcome
superiore0
Direction
superiore0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“yield equivalent of cotton established that the intercropping of cowpea [Vigna unguiculata (L) Walp.], blackgram [Phaseolus mungo (L) Hepper.] or greengram [Phaseolus radiatus (L) Wilczek.] was significantly superior.”

✓ located verbatim in the source · abstract, characters 250–467 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Greengram intercropping was significantly superior in cotton equivalent yield.

Treatment
greengrame0
Outcome
superiore0
Direction
superiore0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“yield equivalent of cotton established that the intercropping of cowpea [Vigna unguiculata (L) Walp.], blackgram [Phaseolus mungo (L) Hepper.] or greengram [Phaseolus radiatus (L) Wilczek.] was significantly superior.”

✓ located verbatim in the source · abstract, characters 250–467 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Two rows of cowpea between 90 cm cotton rows formed a highly productive system.

Treatment
two rows of cowpeae0
Outcome
most highly productive systemse0
Direction
most highly productivee0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“intercropping of two rows of cowpea, greengram or blackgram between uniform rows of 90 cm in cotton as the most highly productive systems.”

✓ located verbatim in the source · abstract, characters 520–658 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Two rows of greengram between 90 cm cotton rows formed a highly productive system.

Treatment
greengrame0
Outcome
most highly productive systemse0
Direction
most highly productivee0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“intercropping of two rows of cowpea, greengram or blackgram between uniform rows of 90 cm in cotton as the most highly productive systems.”

✓ located verbatim in the source · abstract, characters 520–658 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Two rows of blackgram between 90 cm cotton rows formed a highly productive system.

Treatment
blackgrame0
Outcome
most highly productive systemse0
Direction
most highly productivee0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“intercropping of two rows of cowpea, greengram or blackgram between uniform rows of 90 cm in cotton as the most highly productive systems.”

✓ located verbatim in the source · abstract, characters 520–658 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropping with crops other than sesame gave LER greater than one.

Outcome
LERse0
Direction
more than unitye0
Qualifier
except with sesamee0

Not reportedTaxon

Verbatim

e0

“The LERs were more than unity by intercropping with all crops except with sesame (Sesamum indicum L.) in uniform row planting.”

✓ located verbatim in the source · abstract, characters 659–785 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Cowpea intercropping produced an LER of 1.57.

Treatment
Intercropping cowpeae0
Outcome
LERe0
Direction
highe0
Value
1.57e0

Not reportedTaxon

Verbatim

e0

“Intercropping cowpea provided high LER of 1.57.”

✓ located verbatim in the source · abstract, characters 786–833 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sesame intercropping was less profitable than sole cotton.

Treatment
intercropping of sesamee0
Outcome
profitablee0
Direction
not profitablee0
Comparator
sole crop of cottone0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“intercropping of sesame, soybean or groundnut are not profitable than the sole crop of cotton.”

✓ located verbatim in the source · abstract, characters 1108–1202 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Soybean intercropping was less profitable than sole cotton.

Treatment
soybeane0
Outcome
profitablee0
Direction
not profitablee0
Comparator
sole crop of cottone0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“intercropping of sesame, soybean or groundnut are not profitable than the sole crop of cotton.”

✓ located verbatim in the source · abstract, characters 1108–1202 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Groundnut intercropping was less profitable than sole cotton.

Treatment
groundnute0
Outcome
profitablee0
Direction
not profitablee0
Comparator
sole crop of cottone0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“intercropping of sesame, soybean or groundnut are not profitable than the sole crop of cotton.”

✓ located verbatim in the source · abstract, characters 1108–1202 · show in text ↑

Sesamum indicum · yield · Gossypium hirsutum (cotton)Positive and negative results

6 papers: 4 positive, 2 negative or no effect

1 paper in the same direction as this paper · 4 in the opposite direction

  1. positive
  2. positive
  3. positive

2 papers more in this group

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Arachis hypogaea · yield · Gossypium hirsutum (cotton)Positive and negative results

16 papers: 11 positive, 5 negative or no effect

4 papers in the same direction as this paper · 11 in the opposite direction

  1. positive
  2. positive
  3. positive

12 papers more in this group

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Glycine max · yield · Gossypium hirsutum (cotton)Positive and negative results

27 papers: 18 positive, 9 negative or no effect

8 papers in the same direction as this paper · 18 in the opposite direction

  1. positive
  2. positive
  3. positive

23 papers more in this group

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intercropping · yield · Gossypium hirsutum (cotton)Results differ

104 papers: 85 positive, 19 negative or no effect

18 papers in the same direction as this paper · 85 in the opposite direction

  1. positive
  2. positive
  3. positive

100 papers more in this group

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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.