Paper · 2016 · Journal of Agrometeorology

Development of the crop coefficient for capsicum (Capsicum annum L.) under protected structures

CHITRA SHUKLA; S. R. BHAKAR; S.S. LAKHAWAT

5
claims
10
verbatim quotes
5
citations
2
research areas
✓
Open access · cc-by

Abstract

The study was undertaken to determine the crop water requirement and crop coefficient for capsicum (Capsicum annum L.) at plasticulture farm of CTAE, Udaipur, Rajasthan under four small protected structures; (i) shednet house (ii) insectnet house (iii) poly house with ventilation through shed net and (iv) polyhouse with ventilation through insect net. The reference evapotranspiration under each structure was determined by Penman Monteith method based on microclimatic observations under all four protected structures. Crop evapotranspiration was determined by soil moisture balance method. Reference evapotranspiration and crop coefficient observed minimum under structure covered with shadenet for all the growth stages. Reference evapotranspiration for shadenet house was 21.5 % less than the reference evapotranspiration outside the structure. It was found that shadenet house minimized crop evapotranspiration by 33.4% as compared to outside crop evapotranspiration. However, the higher fruit yield per plant (1720 g plant-1) was recorded under polyhouse with ventilation through insectnet, which was significantly superior over the all growing structures while the lowest yield (1285 g plant-1) was recorded under shadenet house.

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Claims 5

Observationobservedoriginal resultmeasured

Claim · model-written summary

Reference evapotranspiration and crop coefficient were lowest under the shadenet-covered structure at all growth stages

Taxon
capsicumCapsicume0
Treatment
structure covered with shadenete1
Outcome
Reference evapotranspiration and crop coefficiente1
Direction
minimume1
Qualifier
for all the growth stagese1

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

Capsicum
Capsicum · Taxon · picture of the genus (one of its species)Public domain · Wikimedia Commons ↗

Verbatim

e0

“crop coefficient for capsicum (Capsicum annum L.) at plasticulture farm of CTAE, Udaipur, Rajasthan”

✓ located verbatim in the source · abstract, characters 69–168 · show in text ↑
e1

“Reference evapotranspiration and crop coefficient observed minimum under structure covered with shadenet for all the growth stages”

✓ located verbatim in the source · abstract, characters 594–724 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Reference evapotranspiration under the shadenet house was 21.5% lower than outside the structure

Taxon
capsicumCapsicume0
Treatment
shadenet housee2
Outcome
Reference evapotranspiratione2
Direction
lesse2
Value
21.5 %e2
Comparator
outside the structuree2
Setting
plasticulture farm of CTAE, Udaipur, Rajasthane0

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

Capsicum
Capsicum · Taxon · picture of the genus (one of its species)Public domain · Wikimedia Commons ↗

Verbatim

e0

“crop coefficient for capsicum (Capsicum annum L.) at plasticulture farm of CTAE, Udaipur, Rajasthan”

✓ located verbatim in the source · abstract, characters 69–168 · show in text ↑
e2

“Reference evapotranspiration for shadenet house was 21.5 % less than the reference evapotranspiration outside the structure”

✓ located verbatim in the source · abstract, characters 726–849 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The shadenet house reduced crop evapotranspiration by 33.4% compared with outside

Taxon
capsicumCapsicume0
Treatment
shadenet housee3
Outcome
crop evapotranspiratione3
Direction
minimizede3
Value
33.4%e3
Comparator
outside crop evapotranspiratione3

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

Capsicum
Capsicum · Taxon · picture of the genus (one of its species)Public domain · Wikimedia Commons ↗

Verbatim

e0

“crop coefficient for capsicum (Capsicum annum L.) at plasticulture farm of CTAE, Udaipur, Rajasthan”

✓ located verbatim in the source · abstract, characters 69–168 · show in text ↑
e3

“shadenet house minimized crop evapotranspiration by 33.4% as compared to outside crop evapotranspiration”

✓ located verbatim in the source · abstract, characters 869–973 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Polyhouse with insectnet ventilation gave significantly higher fruit yield per plant (1720 g) than all other growing structures

Taxon
capsicumCapsicume0
Treatment
polyhouse with ventilation through insectnete4
Outcome
fruit yield per plante4
Direction
highere4
Value
1720 g plant-1e4
Comparator
all growing structurese4

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

Capsicum
Capsicum · Taxon · picture of the genus (one of its species)Public domain · Wikimedia Commons ↗

Verbatim

e0

“crop coefficient for capsicum (Capsicum annum L.) at plasticulture farm of CTAE, Udaipur, Rajasthan”

✓ located verbatim in the source · abstract, characters 69–168 · show in text ↑
e4

“the higher fruit yield per plant (1720 g plant-1) was recorded under polyhouse with ventilation through insectnet, which was significantly superior over the all growing structures”

✓ located verbatim in the source · abstract, characters 984–1163 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

The shadenet house gave the lowest fruit yield per plant (1285 g)

Taxon
capsicumCapsicume0
Treatment
shadenet housee5
Outcome
yielde5
Direction
loweste5
Value
1285 g plant-1e5

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

Capsicum
Capsicum · Taxon · picture of the genus (one of its species)Public domain · Wikimedia Commons ↗

Verbatim

e0

“crop coefficient for capsicum (Capsicum annum L.) at plasticulture farm of CTAE, Udaipur, Rajasthan”

✓ located verbatim in the source · abstract, characters 69–168 · show in text ↑
e5

“while the lowest yield (1285 g plant-1) was recorded under shadenet house”

✓ located verbatim in the source · abstract, characters 1164–1237 · show in text ↑

protected cultivation · yield · Capsicum (peppers)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

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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.