Abstract
A field experiment was conducted at the research farm of PAU, Ludhiana during 2003–04 and 2004–05 to study the effect of nitrogen levels, irrigation regimes and weed control methods on root density, water use and grain yield of bed planted durum wheat on loamy sand soil, rating low in available nitrogen and medium in phosphorous and potassium. About 60 per cent roots were confined to upper 0–15 cm soil layer. Maximum water use efficiency of 103.0 and 94.01 kg grain ha−1 cm−1 was recorded during 2003–04 and 2004–05, respectively under application of 150 kg N ha−1. Application of 120 kg N ha−1 (though at par with 150 kg N ha−1) provided a yield advantage of 9.4 and 6.04 per cent over 90 kg N ha−1 during first and second year of experimentation respectively. Clodinafop 0.06 kg ha−1 application effectively controlled Phalaris minor and resulted in significant improvement in grain yield (14.4%) as compared to unweeded check. The two moisture regimes did not produce any significant effects on wheat grain yield.
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Claims 8
Claim · model-written summary
About 60% of roots were in the top 0–15 cm.
- Taxon
- durum wheat
Triticum turgidum subsp. durumt0 - Organ / stage
- rootse0
- Outcome
- roots were confined to upper 0–15 cm soil layere0
- Value
- 60 per cente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“About 60 per cent roots were confined to upper 0–15 cm soil layer.”
t0“durum wheat”
Claim · model-written summary
At 150 kg N ha−1 water use efficiency was 103.0 kg grain ha−1 cm−1 in 2003–04.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Treatment
- 150 kg N ha−1e0
- Outcome
- water use efficiencye0
- Direction
- Maximume0
- Value
- 103.0e0
- Qualifier
- 2003–04e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum water use efficiency of 103.0 and 94.01 kg grain ha−1 cm−1 was recorded during 2003–04 and 2004–05, respectively under application of 150 kg N ha−1.”
t0“durum wheat”
Claim · model-written summary
At 150 kg N ha−1 water use efficiency was 94.01 kg grain ha−1 cm−1 in 2004–05.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Treatment
- 150 kg N ha−1e0
- Outcome
- water use efficiencye0
- Direction
- Maximume0
- Value
- 94.01 kg grain ha−1 cm−1e0
- Qualifier
- 2004–05e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum water use efficiency of 103.0 and 94.01 kg grain ha−1 cm−1 was recorded during 2003–04 and 2004–05, respectively under application of 150 kg N ha−1.”
t0“durum wheat”
Claim · model-written summary
120 kg N ha−1 increased yield 9.4% over 90 kg N ha−1 in the first year and was at par with 150 kg N ha−1.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Treatment
- 120 kg N ha−1e0
- Outcome
- yield advantagee0
- Direction
- advantagee0
- Value
- 9.4e0
- Qualifier
- firste0
- Comparator
- 90 kg N ha−1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of 120 kg N ha−1 (though at par with 150 kg N ha−1) provided a yield advantage of 9.4 and 6.04 per cent over 90 kg N ha−1 during first and second year of experimentation respectively.”
t0“durum wheat”
Claim · model-written summary
120 kg N ha−1 increased yield 6.04% over 90 kg N ha−1 in the second year.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Treatment
- 120 kg N ha−1e0
- Outcome
- yield advantagee0
- Direction
- advantagee0
- Value
- 6.04 per cente0
- Qualifier
- second yeare0
- Comparator
- 90 kg N ha−1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of 120 kg N ha−1 (though at par with 150 kg N ha−1) provided a yield advantage of 9.4 and 6.04 per cent over 90 kg N ha−1 during first and second year of experimentation respectively.”
t0“durum wheat”
Claim · model-written summary
Clodinafop controlled Phalaris minor.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Treatment
- Clodinafop 0.06 kg ha−1e0
- Interactor
- Phalaris minor
.jpg?width=60)
Phalaris minore0weed - Outcome
- controlled Phalaris minore0
- Comparator
- unweeded checke0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Clodinafop 0.06 kg ha−1 application effectively controlled Phalaris minor and resulted in significant improvement in grain yield (14.4%) as compared to unweeded check.”
t0“durum wheat”
Claim · model-written summary
Clodinafop increased grain yield by 14.4% versus the unweeded check.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Treatment
- Clodinafop 0.06 kg ha−1e0
- Interactor
- Phalaris minorPhalaris minore0weed
- Outcome
- grain yielde0
- Direction
- improvemente0
- Value
- 14.4%e0
- Comparator
- unweeded checke0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clodinafop 0.06 kg ha−1 application effectively controlled Phalaris minor and resulted in significant improvement in grain yield (14.4%) as compared to unweeded check.”
t0“durum wheat”
Claim · model-written summary
The two moisture regimes did not significantly differ in grain yield.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- two moisture regimese0
- Outcome
- wheat grain yielde0
- Direction
- did not produce any significant effectse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The two moisture regimes did not produce any significant effects on wheat grain yield.”
The same questions in other papers
clodinafop · Phalaris minor · Triticum turgidum (rivet wheat)Results agree
1 paper in the same direction as this paper
- positive
soil water · yield · Triticum aestivum (wheat)Results differ
25 papers in the same direction as this paper · 50 in the opposite direction
- positive
- positive
- positive
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See all 76 papers →nitrogen · physiology: water · Triticum turgidum (rivet wheat)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
nitrogen · yield · Triticum turgidum (rivet wheat)Positive and negative results
45 papers in the same direction as this paper · 8 in the opposite direction · 2 reporting no difference from an alternative
- no effect
- negative
- no effect
52 papers more in this group
See all 56 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.