Abstract
Synopsis Yields of wheat were lower in 4 of 7 experiments for fall application of N than for topdressings in the spring. In 3 long‐time rotation experiments, 20 to 23% of the deviations of yields from the linear regression of yields on years could be attributed to winter rainfall. These results indicate that the major portion of N for wheat should be topdressed in the spring under Kentucky climatic conditions.
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Claims 3
Claim · model-written summary
Fall nitrogen application gave lower wheat yields than spring topdressing in four of seven experiments.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- fall application of Ne0
- Outcome
- Yieldse0
- Direction
- lowere0
- Qualifier
- 4 of 7 experimentse0
- Comparator
- topdressings in the springe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of wheat were lower in 4 of 7 experiments for fall application of N than for topdressings in the spring.”
Claim · model-written summary
Winter rainfall accounted for 20 to 23% of deviations in wheat yields from their temporal regression.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- deviations of yields from the linear regression of yields on yearse0
- Value
- 20 to 23%e0
- Setting
- winter rainfalle0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 3 long‐time rotation experiments, 20 to 23% of the deviations of yields from the linear regression of yields on years could be attributed to winter rainfall.”
t0“Wheat”
Claim · model-written summary
Most nitrogen for wheat should be topdressed in spring under Kentucky climatic conditions.
- Taxon
- wheatTriticum aestivume0
- Outcome
- the major portion of N for wheat should be topdressed in the springe0
- Setting
- Kentuckye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the major portion of N for wheat should be topdressed in the spring under Kentucky climatic conditions”
The same questions in other papers
nitrogen · yield · Triticum aestivum (wheat)Positive and negative results
323 papers in the same direction as this paper · 1,737 in the opposite direction
- negative
- positive
- positive
2,057 papers more in this group
See all 2,061 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.