Paper · 1994 · Indian Journal of Weed Science

Economising N Use in Spring Planted Sugarcane Through Effective Weed Management

S. P. Mehra; L. S. Brar

4
claims
8
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

Two years field study conducted at the Research Farm of Punjab Agricultural University, Ludhiana revealed that pre-emergence application of diuron at 1.6 kg/ha gave 81.3 per cent increase in cane yield over control (no weeding). Interaction between N levels and weed management treatments though was non-significant yet a saving of N and greater utilization of N even at the lower level of applied N(1 00 kg N/ha) through effective weed management with herbicide/manual weedings can be achieved. Diuron at 1.6 kg/ha gave a cane yield of 483 kg/kg N as against 268 kg/kg N for unweeded coptrol.

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Claims 4

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Pre-emergence diuron increased cane yield by 81.3 per cent relative to no weeding.

Taxon
Sugarcanet0
Treatment
pre-emergence application of diuron at 1.6 kg/hae0
Outcome
cane yielde0
Direction
increasee0
Value
81.3 per cente0
Comparator
control (no weeding)e0

Verbatim

e0

“pre-emergence application of diuron at 1.6 kg/ha gave 81.3 per cent increase in cane yield over control (no weeding).”

✓ located verbatim in the source · abstract, characters 111–228 · show in text ↑
t0

“Sugarcane”

✓ located verbatim in the source · title, characters 36–45 · show in text ↑
Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Interaction between nitrogen level and weed management treatment was nonsignificant.

Taxon
Sugarcanet0
Treatment
weed management treatmentse0
Outcome
Interaction between N levels and weed management treatmentse0

Not reportedDirection

Verbatim

e0

“Interaction between N levels and weed management treatments though was non-significant”

✓ located verbatim in the source · abstract, characters 229–315 · show in text ↑
t0

“Sugarcane”

✓ located verbatim in the source · title, characters 36–45 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors infer effective weed management can save nitrogen and improve its use even at a lower applied rate.

Taxon
Sugarcanet0
Treatment
effective weed management with herbicide/manual weedingse0
Outcome
a saving of N and greater utilization of Ne0

Verbatim

e0

“a saving of N and greater utilization of N even at the lower level of applied N(1 00 kg N/ha) through effective weed management with herbicide/manual weedings can be achieved.”

✓ located verbatim in the source · abstract, characters 320–495 · show in text ↑
t0

“Sugarcane”

✓ located verbatim in the source · title, characters 36–45 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Diuron gave 483 kg/kg N cane yield versus 268 kg/kg N for the unweeded control.

Taxon
Sugarcanet0
Treatment
Diuron at 1.6 kg/hae0
Outcome
cane yielde0
Direction
as againste0
Value
483 kg/kg Ne0
Qualifier
268 kg/kg Ne0
Comparator
unweeded coptrole0

Verbatim

e0

“Diuron at 1.6 kg/ha gave a cane yield of 483 kg/kg N as against 268 kg/kg N for unweeded coptrol.”

✓ located verbatim in the source · abstract, characters 496–593 · show in text ↑
t0

“Sugarcane”

✓ located verbatim in the source · title, characters 36–45 · show in text ↑

diuron · yield · Saccharum officinarum (sugarcane)Results differ

3 papers: 2 positive, 1 negative or no effect

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

  1. negative
  2. positive
See all 3 papers →

herbicide · yield · Saccharum officinarum (sugarcane)Results differ

51 papers: 37 positive, 14 negative or no effect

36 papers in the same direction as this paper · 14 in the opposite direction

  1. negative
  2. no effect
  3. no effect

47 papers more in this group

See all 51 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.