Abstract
Abstract Field experiments on sorghum, Sorghum bicolor (L.) Moench., hybrid CSH‐6, demonstrated the importance of in‐the‐row weed management in this crop when grown under rainfed conditions in south‐central India. In‐the‐row weeds reduced sorghum grain yields by up to 30% when only inter‐row weeding was carried out. A single hand weeding at any time between 2 and 5 weeks after crop sowing was equal to repeated hand weeding in maintaining high grain yields. Atrazine applied pre‐emergence to the crop or isoproturon applied 3 weeks after crop sowing resulted in sorghum grain yields equal to those obtained from hand weeding. Over the row band applications of these herbicides were equal to broadcast applications, provided two interrow cultivations were carried out; and herbicide costs were reduced by two‐thirds. Notes Present address: Agriculture Canada, Research Station, Morden, Manitoba, Canada ROG 1JO.
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Claims 6
Claim · model-written summary
In-row weeds reduced sorghum grain yield up to 30% with only inter-row weeding.
- Treatment
- In‐the‐row weedse0
- Interactor
- weedse0weed
- Outcome
- sorghum grain yieldse0
- Direction
- reducede0
- Value
- up to 30%e0
- Comparator
- only inter‐row weedinge0
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In‐the‐row weeds reduced sorghum grain yields by up to 30% when only inter‐row weeding was carried out.”
Claim · model-written summary
One hand weeding between 2 and 5 weeks maintained yields equal to repeated hand weeding.
- Treatment
- A single hand weedinge0
- Outcome
- grain yieldse0
- Direction
- equal toe0
- Qualifier
- between 2 and 5 weeks after crop sowinge0
- Comparator
- repeated hand weedinge0
Not reportedInteractor
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A single hand weeding at any time between 2 and 5 weeks after crop sowing was equal to repeated hand weeding in maintaining high grain yields.”
t0“sorghum”
Claim · model-written summary
Pre-emergence atrazine produced sorghum grain yield equal to hand weeding.
- Treatment
- Atrazine applied pre‐emergencee0
- Outcome
- sorghum grain yieldse0
- Direction
- equal toe0
- Comparator
- hand weedinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Atrazine applied pre‐emergence to the crop or isoproturon applied 3 weeks after crop sowing resulted in sorghum grain yields equal to those obtained from hand weeding.”
Claim · model-written summary
Isoproturon applied 3 weeks after sowing produced sorghum yield equal to hand weeding.
- Treatment
- isoproturon applied 3 weeks after crop sowinge0
- Outcome
- sorghum grain yieldse0
- Direction
- equal toe0
- Comparator
- hand weedinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Atrazine applied pre‐emergence to the crop or isoproturon applied 3 weeks after crop sowing resulted in sorghum grain yields equal to those obtained from hand weeding.”
Claim · model-written summary
Band herbicide applications equalled broadcast applications with two interrow cultivations.
- Treatment
- Over the row band applications of these herbicidese0
- Outcome
- equal toe0
- Direction
- equal toe0
- Qualifier
- two interrow cultivationse0
- Comparator
- broadcast applicationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Over the row band applications of these herbicides were equal to broadcast applications, provided two interrow cultivations were carried out”
t0“sorghum”
Claim · model-written summary
Band application reduced herbicide costs by two-thirds.
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“herbicide costs were reduced by two‐thirds.”
t0“sorghum”
The same questions in other papers
atrazine · yield · SorghumResults differ
31 papers in the same direction as this paper · 11 in the opposite direction
- positive
- negative
- no effect
39 papers more in this group
See all 43 papers →isoproturon · yield · SorghumResults agree
1 paper in the same direction as this paper
- positive
herbicide · yield · SorghumResults differ
51 papers in the same direction as this paper · 11 in the opposite direction · 3 reporting no difference from an alternative
- no effect
- negative
- no effect
62 papers more in this group
See all 66 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.