Paper · 2015 · JOURNAL OF WEED SCIENCE RESEARCH

Sound weed management options for sustainable crop production.

M. R. Bhuiyan; Muhammed Mahbubur Rashid; Debjit Roy; et al.

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1
claims
3
verbatim quotes
1
citations
2
research areas
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Not open access

Abstract

An investigation was carried out to evaluate the performance of different weed management options regarding effective weed control, yield and yield contributing characters of three popular BRRI (Bangladesh Rice Research Institute) released aman varieties (BRRI dhan39, BRRI dhan49 and BR11) having different growth duration in the year of 2008 and 2009 at Bangladesh Rice Research Institute, regional station, Rajshahi. Weed management options were pre (Pretilachlor) and post emergence (Pyrozosulfuran-ethyl) herbicide, BRRI weeder, hand weeding (three times), pre and post emergence herbicide along with one supplement hand weeding and control (no weeding). Weed dry matter was significantly highest in control plot

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Claims 1

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Weed dry matter was significantly highest in the control (no weeding) plot compared with the weed management options.

Treatment
weed management optionse2
Outcome
Weed dry mattere1
Direction
higheste1
Comparator
control (no weeding)e2

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“BRRI (Bangladesh Rice Research Institute) released aman varieties”

✓ located verbatim in the source · abstract, characters 189–254 · show in text ↑
e2

“Weed management options were pre (Pretilachlor) and post emergence (Pyrozosulfuran-ethyl) herbicide, BRRI weeder, hand weeding (three times), pre and post emergence herbicide along with one supplement hand weeding and control (no weeding)”

✓ located verbatim in the source · abstract, characters 420–658 · show in text ↑
e1

“Weed dry matter was significantly highest in control plot”

✓ located verbatim in the source · abstract, characters 660–717 · show in text ↑

herbicide · weed · Oryza sativa (rice)Positive and negative results

603 papers: 579 positive, 24 negative or no effect

578 papers in the same direction as this paper · 17 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
    Pre-emergence oxadiazon controlled major weeds in rice.

    Improving rice-based cropping systems in north-west Bangladesh: diversification and weed management · 2003

    Same directionCited by this paper

  2. negative
    Rice flatsedge control by herbicides was lower with residue than without.

    Interaction of Rice Residue and PRE Herbicides on Emergence and Biomass of Four Weed Species · 2012 · compared with absence of residue

    Opposite direction

  3. no effect
    Imazosulfuron applied alone as preemergence did not control grassy weeds, broad leaved weeds or sedges in rice

    Effect of tank-mixed herbicides on weeds and transplanted rice (Oryza sativa L.) · 2012

    Opposite direction

599 papers more in this group

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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.