Paper · 2019 · International Journal of Vegetable Science

Farm-level impacts of eggplant integrated pest management: a stochastic frontier production function approach

Md. Sadique Rahman; George W. Norton

6
claims
13
verbatim quotes
10
citations
2
research areas
—
Not open access

Abstract

Integrated Pest Management (IPM) has been widely adopted in eggplant (Solanum melongena L.) production, but rigorous impact studies of IPM is limited in tropical, developing, countries. The study employed the stochastic frontier production function and propensity score matching (PSM) to measure farm-level impacts of IPM technology adoption. A total of 283 farmers were interviewed in 2015. It was determined that adoption of IPM did not affect yield and technical efficiency (TE) level of eggplant growers. Mean technical efficiency was similar for adopters (0.66) and non-adopters (0.65). Adoption of IPM reduces the frequency of pesticide application (35.13%) and pesticide cost (Tk. 11,100), Tk. is Bangladeshi currency, 1 USD = Tk. 80, and IPM adopters maximize profit by reducing cost. Due to a higher profitability, IPM technology for eggplant production can improve income to the growers.

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Claims 6

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

IPM adoption did not affect eggplant yield.

Taxon
eggplantSolanum melongenae0
Treatment
adoption of IPMe0
Outcome
yielde0
Direction
did not affecte0
Comparator
non-adopterse1

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“adoption of IPM did not affect yield and technical efficiency (TE) level of eggplant growers”

✓ located verbatim in the source · abstract, characters 415–507 · show in text ↑
e1

“adopters (0.66) and non-adopters (0.65)”

✓ located verbatim in the source · abstract, characters 551–590 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

IPM adoption did not affect technical efficiency; means were 0.66 for adopters and 0.65 for non-adopters.

Taxon
eggplantSolanum melongenae0
Treatment
adoption of IPMe0
Outcome
technical efficiencye1
Direction
similare1
Value
0.66e1
Qualifier
0.65e1
Comparator
non-adopterse1

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“adoption of IPM did not affect yield and technical efficiency (TE) level of eggplant growers”

✓ located verbatim in the source · abstract, characters 415–507 · show in text ↑
e1

“Mean technical efficiency was similar for adopters (0.66) and non-adopters (0.65).”

✓ located verbatim in the source · abstract, characters 509–591 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

IPM adoption reduced pesticide application frequency by 35.13%.

Taxon
eggplantSolanum melongenat0
Treatment
Adoption of IPMe0
Outcome
frequency of pesticide applicatione0
Direction
reducese0
Value
35.13%e0
Comparator
non-adopterse1

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Adoption of IPM reduces the frequency of pesticide application (35.13%) and pesticide cost (Tk. 11,100)”

✓ located verbatim in the source · abstract, characters 592–695 · show in text ↑
t0

“eggplant”

✓ located verbatim in the source · title, characters 22–30 · show in text ↑
e1

“non-adopters (0.65)”

✓ located verbatim in the source · abstract, characters 571–590 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

IPM adoption reduced pesticide cost by Tk. 11,100.

Taxon
eggplantSolanum melongenat0
Treatment
Adoption of IPMe0
Outcome
pesticide coste0
Direction
reducese0
Value
Tk. 11,100e0
Comparator
non-adopterse1

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Adoption of IPM reduces the frequency of pesticide application (35.13%) and pesticide cost (Tk. 11,100)”

✓ located verbatim in the source · abstract, characters 592–695 · show in text ↑
t0

“eggplant”

✓ located verbatim in the source · title, characters 22–30 · show in text ↑
e1

“non-adopters (0.65)”

✓ located verbatim in the source · abstract, characters 571–590 · show in text ↑
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

IPM adopters maximize profit by reducing costs.

Taxon
eggplantSolanum melongenat0
Outcome
profite0
Direction
maximizee0
Qualifier
reducing coste0

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“IPM adopters maximize profit by reducing cost”

✓ located verbatim in the source · abstract, characters 746–791 · show in text ↑
t0

“eggplant”

✓ located verbatim in the source · title, characters 22–30 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Higher profitability means IPM for eggplant production can improve growers' income.

Taxon
eggplantSolanum melongenae0
Outcome
improve income to the growerse0

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

Solanum melongena
Solanum melongena · TaxonBeraDigle · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Due to a higher profitability, IPM technology for eggplant production can improve income to the growers.”

✓ located verbatim in the source · abstract, characters 793–897 · show in text ↑

ipm · yield · Solanum melongena (eggplant)Results differ

22 papers: 22 positive, 0 negative or no effect

21 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

18 papers more in this group

See all 22 papers →

ipm · molecular: metabolites · Solanum melongena (eggplant)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 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.