Abstract
In two controlled-environment experiments, N fertilizer applied to a Dark Brown prairie soil decreased cold hardiness of winter wheat (Triticum aestivum L.), while P applied in the absence of N had little effect. When applied together, P counteracted the effect of N and produced plants as hardy as those that had received no fertilizer. The soil was rich in K; consequently application of additional amounts of this element had no effect on cold hardiness. The correlation coefficient between dry weight of crowns and cold hardiness (LT 50 ) was not sigificant, but that between water content and LT 50 was highly significant.
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Claims 6
Claim · model-written summary
N fertilizer decreased cold hardiness.
- Taxon
- winter wheat (Triticum aestivum L.)
Triticum aestivume0 - Treatment
- N fertilizere0
- Outcome
- cold hardinesse0
- Direction
- decreasede0
- Setting
- Dark Brown prairie soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N fertilizer applied to a Dark Brown prairie soil decreased cold hardiness of winter wheat (Triticum aestivum L.)”
Claim · model-written summary
P alone had little effect on cold hardiness.
- Taxon
- winter wheat (Triticum aestivum L.)Triticum aestivume1
- Treatment
- P applied in the absence of Ne0
- Outcome
- cold hardinesst0
- Direction
- little effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P applied in the absence of N had little effect”
t0“COLD HARDINESS OF WINTER WHEAT CROWNS”
e1“winter wheat (Triticum aestivum L.)”
Claim · model-written summary
P counteracted N, yielding plants as hardy as unfertilized plants.
- Taxon
- winter wheat (Triticum aestivum L.)Triticum aestivume1
- Treatment
- Pe0
- Outcome
- hardye0
- Direction
- as hardy ase0
- Comparator
- those that had received no fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When applied together, P counteracted the effect of N and produced plants as hardy as those that had received no fertilizer.”
t0“COLD HARDINESS OF WINTER WHEAT CROWNS”
e1“winter wheat (Triticum aestivum L.)”
Claim · model-written summary
Additional K had no effect on cold hardiness.
- Taxon
- winter wheat (Triticum aestivum L.)Triticum aestivume1
- Treatment
- Ke2
- Outcome
- cold hardinesse0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of additional amounts of this element had no effect on cold hardiness”
t0“RELATIONSHIP OF SOIL FERTILITY TO COLD HARDINESS OF WINTER WHEAT CROWNS”
e1“winter wheat (Triticum aestivum L.)”
e2“The soil was rich in K; consequently application of additional amounts of this element had no effect on cold hardiness.”
Claim · model-written summary
Crown dry weight was not significantly correlated with cold hardiness.
- Taxon
- winter wheat (Triticum aestivum L.)Triticum aestivume1
- Organ / stage
- crownse0
- Outcome
- cold hardiness (LT 50 )e0
- Qualifier
- dry weight of crownse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The correlation coefficient between dry weight of crowns and cold hardiness (LT 50 ) was not sigificant”
t0“COLD HARDINESS OF WINTER WHEAT CROWNS”
e1“winter wheat (Triticum aestivum L.)”
Claim · model-written summary
Water content was highly significantly correlated with LT50.
- Taxon
- winter wheat (Triticum aestivum L.)Triticum aestivume1
- Organ / stage
- CROWNSt0
- Outcome
- LT 50e0
- Qualifier
- water contente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“that between water content and LT 50 was highly significant”
t0“COLD HARDINESS OF WINTER WHEAT CROWNS”
e1“winter wheat (Triticum aestivum L.)”
The same questions in other papers
fertilization · tolerance: abiotic · Triticum aestivum (wheat)Positive and negative results
2 papers in the same direction as this paper · 3 in the opposite direction
- no effect
- positive
- positive
2 papers more in this group
See all 6 papers →potassium · tolerance: abiotic · Triticum aestivum (wheat)Positive and negative results
1 paper in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
2 papers more in this group
See all 6 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.