Abstract
Beginning in 2012, research was conducted in Garden City and Tribune, KS, to determine the effect of a single tillage operation every 3 years on grain yields in a wheatsorghum- fallow (WSF) rotation. Grain yields of wheat and grain sorghum were not affected by a single tillage operation every 3 years in a WSF rotation. Grain yield varied greatly by year from 2014 to 2016. Wheat yields ranged across years from mid-20s to 80 bu/a at Tribune and about 10 (hail damage) to near 60 bu/a at Garden City. Grain sorghum yields ranged from less than 60 to greater than 130 bu/a, depending upon year and location. In no year or location were grain yields significantly affected by a single tillage operation. This indicates that if a single tillage operation is needed to control troublesome weeds, grain yields will not be significantly affected.
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Claims 6
Claim · model-written summary
A tillage operation every three years did not significantly affect wheat grain yield in the rotation.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- a single tillage operation every 3 yearse0
- Outcome
- Grain yieldse0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Grain yields of wheat and grain sorghum were not affected by a single tillage operation every 3 years in a WSF rotation.”
t0“Wheat-Sorghum- Fallow”
Claim · model-written summary
A tillage operation every three years did not significantly affect grain sorghum yield in the rotation.
- Taxon
- grain sorghum
Sorghum bicolore0 - Treatment
- a single tillage operation every 3 yearse0
- Outcome
- Grain yieldse0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Grain yields of wheat and grain sorghum were not affected by a single tillage operation every 3 years in a WSF rotation.”
Claim · model-written summary
Wheat yield ranged from the mid-20s to 80 bu/a across years at Tribune and about 10 to near 60 bu/a at Garden City.
- Taxon
- Wheat
Triticum aestivume0 - Outcome
- yieldse0
- Value
- mid-20s to 80 bu/ae0
- Qualifier
- about 10 (hail damage) to near 60 bu/a at Garden Citye0
- Setting
- Tribunee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Wheat yields ranged across years from mid-20s to 80 bu/a at Tribune and about 10 (hail damage) to near 60 bu/a at Garden City.”
Claim · model-written summary
Grain sorghum yield ranged from less than 60 to more than 130 bu/a by year and location.
- Taxon
- Grain sorghum
Sorghum bicolore0 - Outcome
- yieldse0
- Value
- less than 60 to greater than 130 bu/ae0
- Qualifier
- depending upon year and locatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Grain sorghum yields ranged from less than 60 to greater than 130 bu/a, depending upon year and location.”
Claim · model-written summary
Grain yield varied greatly among years from 2014 to 2016.
- Taxon
- Wheat
Triticum aestivumt0 - Outcome
- Grain yielde0
- Qualifier
- from 2014 to 2016e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Grain yield varied greatly by year from 2014 to 2016.”
t0“Wheat-Sorghum- Fallow”
Claim · model-written summary
The authors conclude that a single tillage operation for weed control should not significantly affect grain yield.
- Taxon
- Wheat
Triticum aestivumt0 - Outcome
- a single tillage operation is needed to control troublesome weedse0
- Qualifier
- grain yields will not be significantly affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“This indicates that if a single tillage operation is needed to control troublesome weeds, grain yields will not be significantly affected.”
t0“Wheat-Sorghum- Fallow”
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