Paper · 2016 · The Journal of Agricultural Science

Effects of conservation agriculture on crop productivity and water-use efficiency under an irrigated pigeonpea–wheat cropping system in the western Indo-Gangetic Plains

T. K. DAS; K. K. BANDYOPADHYAY; RANJAN BHATTACHARYYA; et al.

16
claims
26
verbatim quotes
45
citations
1
research areas
✓
Open access · cc-by-nc

Abstract

SUMMARY In search of a suitable resource conservation technology under pigeonpea ( Cajanus cajan L.)–wheat ( Triticum aestivum L.) system in the Indo-Gangetic Plains, the effects of conservation agriculture (CA) on crop productivity and water-use efficiency (WUE) were evaluated during a 3-year study. The treatments were: conventional tillage (CT), zero tillage (ZT) with planting on permanent narrow beds (PNB), PNB with residue (PNB + R), ZT with planting on permanent broad beds (PBB) and PBB + R. The PBB + R plots had higher pigeonpea grain yield than the CT plots in all 3 years. However, wheat grain yields under all plots were similar in all years except for PBB + R plots in the second year, which had higher wheat yield than CT plots. The contrast analysis showed that pigeonpea grain yield of CA plots was significantly higher than CT plots in the first year. However, both pigeonpea and wheat grain yields during the last 2 years under CA and CT plots were similar. The PBB + R plots had higher system WUE than the CT plots in the second and third years. Plots under CA had significantly higher WUE and significantly lower water use than CT plots in these years. The PBB + R plots had higher WUE than PNB + R and PNB plots. Also, the PBB plots had higher WUE than PNB in the second and third years, despite similar water use. The interactions of bed width and residue management for all parameters in the second and third years were not significant. Those positive impacts under PBB + R plots over CT plots were perceived to be due to no tillage and significantly higher amount of estimated residue retention. Thus, both PBB and PBB + R technologies would be very useful under a pigeonpea–wheat cropping system in this region.

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Claims 16

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

PBB plus residue increased pigeonpea grain yield relative to CT in all three years.

Taxon
pigeonpeaCajanus cajane0
Treatment
PBB + Re0
Outcome
pigeonpea grain yielde0
Direction
highere0
Comparator
CT plotse0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“PBB + R plots had higher pigeonpea grain yield than the CT plots in all 3 years”

✓ located verbatim in the source · abstract, characters 506–585 · show in text ↑
Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Wheat grain yield was similar across treatments except PBB plus residue in year two.

Outcome
wheat grain yieldse0
Direction
similare0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“wheat grain yields under all plots were similar in all years except for PBB + R plots in the second year”

✓ located verbatim in the source · abstract, characters 596–700 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

PBB plus residue increased second-year wheat yield relative to CT.

Treatment
PBB + Re0
Outcome
wheat yielde0
Direction
highere0
Comparator
CT plotse0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“PBB + R plots in the second year, which had higher wheat yield than CT plots”

✓ located verbatim in the source · abstract, characters 668–744 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

CA increased first-year pigeonpea grain yield relative to CT.

Taxon
pigeonpeaCajanus cajane0
Treatment
CA plotse0
Outcome
pigeonpea grain yielde0
Direction
highere0
Comparator
CT plotse0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“pigeonpea grain yield of CA plots was significantly higher than CT plots in the first year”

✓ located verbatim in the source · abstract, characters 780–870 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

CA and CT pigeonpea yields were similar in the last two years.

Taxon
pigeonpeaCajanus cajane0
Treatment
CAe0
Outcome
grain yieldse0
Direction
similare0
Comparator
CT plotse0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“both pigeonpea and wheat grain yields during the last 2 years under CA and CT plots were similar”

✓ located verbatim in the source · abstract, characters 881–977 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

CA and CT wheat yields were similar in the last two years.

Treatment
CAe0
Outcome
wheat grain yieldse0
Direction
similare0
Comparator
CT plotse0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“both pigeonpea and wheat grain yields during the last 2 years under CA and CT plots were similar”

✓ located verbatim in the source · abstract, characters 881–977 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

PBB plus residue increased system WUE over CT in years two and three.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Treatment
PBB + Re0
Outcome
system WUEe0
Direction
highere0
Comparator
CT plotse0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“PBB + R plots had higher system WUE than the CT plots in the second and third years”

✓ located verbatim in the source · abstract, characters 983–1066 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

CA increased WUE relative to CT in years two and three.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Treatment
CAe0
Outcome
WUEe0
Direction
highere0
Comparator
CT plotse0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Plots under CA had significantly higher WUE and significantly lower water use than CT plots in these years”

✓ located verbatim in the source · abstract, characters 1068–1174 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

CA decreased water use relative to CT in years two and three.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Treatment
CAe0
Outcome
water usee0
Direction
lowere0
Comparator
CT plotse0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Plots under CA had significantly higher WUE and significantly lower water use than CT plots in these years”

✓ located verbatim in the source · abstract, characters 1068–1174 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

PBB plus residue increased WUE relative to PNB plus residue.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Treatment
PBB + Re0
Outcome
WUEe0
Direction
highere0
Comparator
PNB + Re0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“PBB + R plots had higher WUE than PNB + R and PNB plots”

✓ located verbatim in the source · abstract, characters 1180–1235 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

PBB plus residue increased WUE relative to PNB.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Treatment
PBB + Re0
Outcome
WUEe0
Direction
highere0
Comparator
PNBe0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“PBB + R plots had higher WUE than PNB + R and PNB plots”

✓ located verbatim in the source · abstract, characters 1180–1235 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

PBB increased WUE relative to PNB in years two and three.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Treatment
PBBe0
Outcome
WUEe0
Direction
highere0
Comparator
PNBe0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“PBB plots had higher WUE than PNB in the second and third years”

✓ located verbatim in the source · abstract, characters 1247–1310 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

PBB and PNB had similar water use.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Outcome
water usee0
Direction
similare0

Not reportedTreatmentComparator

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“despite similar water use”

✓ located verbatim in the source · abstract, characters 1312–1337 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑
Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Bed width and residue interactions were nonsignificant for all parameters in years two and three.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Outcome
interactions of bed width and residue managemente0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“interactions of bed width and residue management for all parameters in the second and third years were not significant”

✓ located verbatim in the source · abstract, characters 1343–1461 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Authors attribute PBB plus residue benefits to no tillage and more retained residue.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Treatment
no tillagee0
Outcome
positive impactse0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“positive impacts under PBB + R plots over CT plots were perceived to be due to no tillage and significantly higher amount of estimated residue retention”

✓ located verbatim in the source · abstract, characters 1469–1621 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Authors recommend PBB and PBB plus residue for this cropping system.

Taxon
pigeonpea–wheatCajanus cajanTriticum aestivumt0
Outcome
PBB and PBB + R technologiese0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“both PBB and PBB + R technologies would be very useful under a pigeonpea–wheat cropping system in this region”

✓ located verbatim in the source · abstract, characters 1629–1738 · show in text ↑
t0

“pigeonpea–wheat”

✓ located verbatim in the source · title, characters 101–116 · show in text ↑

tillage · physiology: water · Triticum aestivum (wheat)Results differ

117 papers: 97 positive, 20 negative or no effect

96 papers in the same direction as this paper · 17 in the opposite direction · 3 reporting no difference from an alternative

  1. positive
  2. positive
  3. negative

113 papers more in this group

See all 117 papers →

tillage · yield · Triticum aestivum (wheat)Positive and negative results

1,414 papers: 1,116 positive, 298 negative or no effect

297 papers in the same direction as this paper · 1,116 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

1,410 papers more in this group

See all 1,414 papers →

tillage · physiology: water · Cajanus cajan (pigeon pea)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

tillage · yield · Cajanus cajan (pigeon pea)Results agree

25 papers: 25 positive, 0 negative or no effect

24 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

21 papers more in this group

See all 25 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.